RaceCapturePro Sensors: Difference between revisions

No edit summary
 
(111 intermediate revisions by 2 users not shown)
Line 1: Line 1:
=Temperature Sensors=
=Temperature Sensors=
==GM Style fluid sensors==
{|class="wikitable"
! align="left"| Mfg
! Pic
! Pigtail
! Part Numbers
! Mechanical
! Notes
|-
|GM
|[[Image:SU109_C.jpg|100px]]
|[[Image:5615pt.png|100px]]
|
*Wells SU109 : Standard Motors Products (SMP) TX3
*Pigtail Pico 5615pt
| 3/8" NPT threaded brass body and a 2 pin terminal.
| Can be used for air inlet temperature for normally aspirated engines
|-
|GM
|[[Image:SU107_C.jpg|100px]]
|[[Image:5616pt.png|100px]]
|
*Wells SU107 : Standard Motors Products (SMP) AX1
*Pigtail Pico 5616pt
| 3/8" NPT threaded brass body and a 2 pin terminal.
|
* Use for measuring air inlet temperature.
* Exposed sensing element, necessary for boosted engines where fast response times are necessary. 
* Due to the fragility of the sensing bulb, it is necessary to pot the base of the sensor leads with sensor-safe silicone when used in high vibration environments.
|}
===Analog channel configuration===
* Using [[#Temperature_Sensor|2.2K pullup resistor]]
[[Image:GM_sensor_analog_calibration.png|thumb|left|200px]]
{|class="wikitable"
! Volts
! Scaled Value (Degrees F)
|-
|0.37
|212.00
|-
|0.51
|178.00
|-
|1.99
|104.0
|-
|2.47
|72.0
|-
|4.24
|23.0
|}


==AEM Fluid Sensors==
Temperature sensors are passive devices that measure temperature through the use of a thermistor, a resistor that varies resistance with temperature. We recommend using dedicated, two wire ECU-style sensor similar to the types specified in our recommended sensor list for best results.
{|class="wikitable"
<center>[[Image:temp_sensor_connection.png|500px]]</center>
! align="left"| Part #
! Pic
! Mechanical
! Notes
|-
|AEM-30-2012
|[[Image:AEM-30-2012.jpg|100px]]
|1/8" NPT
|
* Compact form factor is appealing vs the GM sensors
* [http://www.aemelectronics.com/Images/Products/Installation%20Instructions%2030-2012.pdf Specifications Sheet]
|}
===Analog channel configuration===
* Using [[#Temperature_Sensor|2.2K pullup resistor]]
[[Image:AEM-30-2012_analog_calibration.png|thumb|left|200px]]
{|class="wikitable"
! Volts
! Scaled Value (Degrees F)
|-
|0.40
|302.00
|-
|0.87
|239.00
|-
|1.88
|176.0
|-
|3.2
|122.0
|-
|4.72
|32.0
|}


===Infrared Tire Temperature===
'''Pullup Resistor'''
{|class="wikitable"
! align="left"| Mfg
! Description
! Pic
! Pigtail
! Part Numbers
! Mechanical
! Analog Configuration
! Notes
|-
|TI
| Infrared Temperature Sensor samples 3 positions on tire carcass
|[[Image:wcsp6.jpg|100px]]
|Needs dev board to connect to inputs.
|Mouser Part #: 595-TMP006AIYZFT Manufacturer Part #: TMP006AIYZFT
| *Texas Instruments : Board Mount Temperature Sensors Infrared Thermopile Sensor
|<link to Race Capture digital channel configuration>
|Can be used for 3 position tire temperature, when mounted within 3" of tire [http://www.mouser.com/ProductDetail/Texas-Instruments/TMP006AIYZFT/?qs=sGAEpiMZZMucenltShoSnh5Arw%252bXxlKXEhQKmsaPVvo= link ]
|-
|}


==Pulse Sensors==
A pullup resistor is needed to create the necessary voltage divider circuit so RaceCapture/Pro's analog input can measure temperature as a varying voltage. This pullup resistor is connected to the 5v reference on the RaceCapture/Pro terminal block.
===RPM===


===Wheel Speed===
'''High Resistance ECU style sensors''' Use a 2.2K ohm pull-up resistor for high resistance ECU style sensors, such as the temperature sensors in  [[#Sensors|supported list]]


==Pressure Sensors==
'''Low Resistance Gauge type sensors''' Low resistance gauge type sensors are not recommended. If you must use one of these types of sensors, a 1/4 watt 220 ohm pull-up resistor can be used for sensors such as VDO 323-095, 325-002 and similar.


===Fluid Pressure===
'''Sensor Ground'''
See brake pressure sensors (below) will be used to capture inline brake fluid pressure.  Combining this input with brake pedal travel can provide a way to show brake fade in real time.


===Tire Pressure===
Two wire ECU style temperature sensors have one sense lead and one ground lead. For best accuracy, connect the ground lead to the same ground point as RaceCapture/Pro. One wire gauge type sensors have the ground as the body of the sensor. Ensure the engine is properly grounded to the chassis via multiple ground straps.


{|class="wikitable"
==Recommended GM-Style Temperature Sensor==
! align="left"| Mfg
! Description
! Pic
! Pigtail
! Part Numbers
! Mechanical
! Analog Configuration
! Notes
|-
| VDO
| REDI-Sensor™ Multi-Application TPMS Sensors
| [[Image:VDOredi.jpg|100px]]
| self powered wireless
| OEM style
| custom
|
| Wireless tire pressure monitoring system  [http://www.redi-sensor.com/ link]
|-
| ASL
| Ford type throttle position sensor
| [[Image:TPMS_ensemble.png|100px]]
|
| turnkey unit
| custom self powered wireless
|
| Wireless tire pressure monitoring system includes wireless receiver and gauge  [http://www.stackltd.com/tpms.html link]
|}


===Boost / Vacuum===
[[File:-40 to 150C.jpg|200px|thumb|right]]
[[Image:add_to_cart.png|70px|thumb|right|link=https://www.autosportlabs.com/product/40-to-150c-linear-temperature-sensor-with-plug-and-play-harness/]]


{|class="wikitable"
'''[ASL_LINEAR_TEMP_M8 : -40 to 150C Linear temperature sensor ]'''
! align="left"| Mfg
! Description
! Pic
! Pigtail
! Part Numbers
! Mechanical
! Analog Configuration
! Notes
|-
|GM
|3.3 bar MAP sensor
|[[Image:sensor_9373269.jpg|100px]]
|[[Image:pigtail_88987997.jpg|100px]]
|
* Sensor: 9373269
* Pigtail: 88987997
| fastens with clips
| <link to Race Capture analog channel configuration>
| 3.3 bar map sensor found on turbo GM products
|-
|DIY
|Freescale MPX4250AP 2.5 bar MAP sensor
|[[Image:MPX4250ap.png|100px]]
|N/A
|custom
|custom
|<link>
|An extremely popular MAP sensor used in the Megajolt ignition and Megasquirt fuel injection systems. Can build up a simple circuit on perfboard and be powered by 5V v-ref from Race Capture
|}


===Distance Sensors===
The specification of the sensor are as follows.


===Suspension Travel===
* '''Mfg / Prt :''' ASL_LINEAR_TEMP_M8
{|class="wikitable"
* '''Thread Size :''' 1/8″ NPT
! align="left"| Mfg
* '''Cable length :''' 1 Meter
! Description
* '''Pigtail / Harness connector :''' M8
! Pic
* '''Analog Channel Configuration :''' Preset available in the RaceCapture app
! Pigtail
* '''Pull up resistor :''' Not required
! Part Numbers
* '''Voltage supply :''' 3-5V
! Mechanical
* '''Pinout :''' Pin 1 : Ground || Pin 2 : 5V || Pin 3 : Signal Output
! Analog Configuration
* '''Body Material :''' Stainless Steel
! Notes
* '''Uses :''' The sensor is suitable for fluids such as oil, coolant and water
|-
* '''Full Harness Specifications :''' [https://wiki.autosportlabs.com/Harness_specifications#Single_analog/digital_channel| Click here]
| Vishay Semiconductors
<br>
| Specialized Optical Switch
| [[Image:TCND5000.jpg|100px]]
| 3-pin connector
| Mouser Part #:782-TCND5000 Manufacturer Part #:TCND5000
| Optical Switches, Specialized Reflective Sensor w/PIN Photodiode Out
| <link>
| Optical distance sensor to be used for pedal travel as well, providing there is a target to sense [http://www.mouser.com/ProductDetail/Vishay-Semiconductors/TCND5000/?qs=sGAEpiMZZMsKVrVvZ%252bLNfpirDakEZ0fZ Link]


|}


==Angle Sensors==
[[Image:SU109_C.jpg|200px |thumb|right]]
'''[ Wells SU109 || SMP TX3 : Engine Coolant Temperature Sensor ]'''


===Steering Angle===
The specification of the sensor are as follows.<br>
{|class="wikitable"
! align="left"| Mfg
! Description
! Pic
! Pigtail
! Part Numbers
! Mechanical
! Analog Configuration
! Notes
|-
| DIY
| Sharp GP2D12 optical distance sensor
| [[Image:sensor_GP2D12.jpg|100px]]
| 3-pin connector
| GP2D12
| custom
| <link>
| Optical distance sensor measures from 10 to 80 cm and outputs a voltage corresponding to that distance. To measure suspension travel, install a unit at each corner of car, targeting the road surface. May also be used for pedal travel as well, providing there is a target to sense. Create a target latched to the steering rod and use the travel out and back of the steering rack rod to denote the travel left and right for steering. This measures true steering(and ignores the speed sensitivity of steering systems, showing actual tire angle result, not steering wheel rotation). It also provides a quick way to verify alignment issues as location vs. gps/accelerometer travel in the "Straight ahead" direction will be at varying angles when alignment issues are present.
|}


===Throttle Position===
* '''Mfg / Prt :''' Wells SU109 || SMP TX3
{|class="wikitable"
* '''Thread Size :''' 3/8" NPT
! align="left"| Mfg
* '''Cable length :''' N/A
! Description
* '''Pigtail :''' Pico 5615pt ( 2 pin terminal )
! Pic
* '''Analog Channel Configuration :''' Preset available in the RaceCapture app
! Pigtail
* '''Pull up resistor :''' 2.2K pullup resistor
! Part Numbers
* '''Body Material :''' Copper
! Mechanical
* '''Uses :''' Used for air inlet temperature for normally aspirated engine
! Analog Configuration
<br><br>
! Notes
|-
| ASL
| Ford type throttle position sensor
| [[Image:TPS-45.jpg|100px]]
| see pigtail below
| Standard Motors SMP TH45 equivalent
| custom
|
| Existing style Throttle position sensor available from AutoSport Labs [http://www.autosportlabs.com/ford-throttle-position-sensor-p-66.html link]
|-
| ASL
| Ford type throttle position sensor
| [[Image:5752pt.jpg|100px]]
| 3-pin connector
| fits SMP TH45 above
| custom
|
| Existing style Throttle position sensor available from AutoSport Labs [http://www.autosportlabs.com/ford-throttle-position-sensor-pigtail-p-67.html link]
|}


===Brake Position/Pressure===


{|class="wikitable"
'''[ Wells SU107 || SMP TX3 : Air Intake / Charge Temperature Sensor]'''
! align="left"| Mfg
[[Image:SU107_C.jpg|200px |thumb|right]]
! Description
The specification of the sensor are as follows
! Pic
* '''Mfg / Prt :''' Wells SU107 || SMP AX1
! Pigtail
* '''Thread Size :''' 3/8" NPT
! Part Numbers
* '''Pigtail :'''Pico 5616pt
! Mechanical
* '''Analog Channel Configuration :''' Preset available in the RaceCapture app
! Analog Configuration
* '''Pull up resistor :''' 2.2K pullup resistor
! Notes
* '''Body Material :''' Brass
|-
* '''Uses :''' Use for measuring air inlet / charge temperature measurement
|ATE
* '''Caution :''' Due to the fragility of the sensing bulb, it is necessary to pot the base of the sensor leads with sensor-safe silicone when used in high vibration environments.
|Brake Fluid Pressure sensor
|[[Image:brakepressuresensor.jpg|100px]]
|solder on tabs (2 wire)
| If your SKU number is 34331150922 than you'll want to reference OE Number 34331150922, 34-33-1-150-922, 80506001237.
| <link to Race Capture analog channel configuration>
|  
| threads into T fitting on brake line. Use professional brake fitting tools! [http://www.fcpeuro.com/products/audi-brake-fluid-pressure-sensor-quattro-34331150922 link]
|-
|DIY
|Freescale MPX4250AP 2.5 bar MAP sensor
|[[Image:brakepressuresensor2.jpg|100px]]
|on part
|ATV type sensor
|threads into T fitting on brake line. Use professional brake fitting tools!
|
|avail at 150psi, or 2000psi, needs 12v supply [http://www.motosport.com/motorcycle/XT-RACING-18-PRESSURE-SENSOR link]
|}


==Linear Sensors==
<br>


=Wiring=
==Recommended Delphi-Style Temperature Sensor==


==Temperature Sensor==
Temperature sensors are passive devices that measure temperature through the use of a thermistor, a resistor that varies resistance with temperature.


<center>[[Image:temp_sensor_connection.png]]</center>
'''[ Delphi 12160855 || AEM-30-2012 : Extended temperature range sensor ]'''


We recommend using a dedicated, two wire ECU-style sensor for best results.
[[Image:AEM-30-2012.jpg|200px |thumb|right]]
The specifications are as follows.
* '''Mfg / Prt :''' Delphi 12160855 equivalent || AEM-30-2012 Equivalent
* '''Thread Size :''' 1/8" - 27 NPTF
* '''Matting Connector :''' 12047662 connector
* '''Analog Channel Configuration :''' Preset available in the RaceCapture app
* '''Pull up resistor :''' 2.2K pullup resisto
* '''Voltage supply :''' 5V
* '''Body Material :''' Brass (PA66)
* '''Uses :''' Extended temperature range suitable for coolant and oil
* '''Datasheet :'''[https://eu.mouser.com/datasheet/2/105/dcs_drawing_12160855-1162047.pdf Click here]


===Pullup resistor===
=Pressure Sensors=


A pullup resistor is needed to create the necessary ''voltage divider'' circuit so RaceCapture/Pro's analog input can sense temperature as a varying voltage. This pullup resistor is connected to the 5v reference on the RaceCapture/Pro terminal block.
Pressure sensors are powered devices and are a type of active sensors. They provide a variable voltage output. Pressure sensors are particularly easy to wire. Nearly all Pressure Sensors, active sensors, for automotive applications specify 5v power and produce an output within 0 to 5v, making them directly compatible with RaceCapture/Pro. Most pressure sensors have a linear output and therefore are very easy to calibrate.


Use a 2.2K ohm pull-up resistor for high resistance ECU style sensors such as:
* GM-style TX3 / SU109 Coolant
* GM-style AX1 / SU107 Air Inlet Temp
* AEM 30-2012 1/8" NPT fluid temperature sensor


Use a 220 ohm pull-up resistor for low resistance gauge type sensors such as:
'''Steps for connecting pressure sensors'''
* VDO 323-095, 325-002
# Identify the power, ground and output signal wires. The sensor technical documentation will provide this information
# Connect the sensor ground to the same location as the ground point for RaceCapture/Pro
# If the sensor is 5v powered, connect it to the 5v voltage reference on RaceCapture/Pro
# Connect the sensor output signal to the desired analog input port of RaceCapture/Pro


===Sensor Ground===
</center>[[Image:Pressure Sensors Connections.png]]</center>
Two wire temperature sensors have one sense lead and one ground lead. for best accuracy, connect the ground lead to the same ground point as RaceCapture/Pro.


One wire sensors have the ground as the body of the sensor. Ensure the engine is properly grounded to the chassis via multiple ground straps.
==Recommended Fluid Pressure Sensors==


==Pressure Sensors==
'''Note :''' These sensors are appropriate for measuring fluid pressures in an engine. Not appropriate for measuring manifold boost or vacuum as these are relative pressure sensors. Use an absolute pressure sensor instead.
<br>


===3 Wire Active Sensors===


Active pressure sensors are typically powered with 5V and provide a voltage output that varies with the pressure measured. Typically they have a linear response and are very easy to calibrate.
[[Image:10 Bar 150 psi.png|200px|thumb|right]]
[[Image:add_to_cart.png|70px|thumb|right|link=https://www.autosportlabs.com/product/10-bar-150-psi-pressure-sensor-with-plug-and-play-harness/]]


((picture of active sensor))
'''[ASL_10_BAR_DELPHI3_M8 : 10 bar / 150 PSI pressure sensor ]'''


The specification of the sensor are as follows.


* '''Mfg / Prt :''' ASL_10_BAR_DELPHI3_M8
* '''Thread Size :''' 1/8″ NPT
* '''Cable length :''' 2 Meter
* '''Harness connector :''' M8 plug and play harness connector
* '''Analog Channel Configuration :''' Preset available in the RaceCapture app
* '''Pull up resistor :''' Not required
* '''Voltage supply :''' 5V
* '''Pinout :''' Pin 1 : Ground || Pin 2 : 5V || Pin 3 : Signal Output
* '''Body Material :''' Stainless Steel
* '''Output :''' Linear response output between 0.5v and 4.5v
* '''Full Harness Specifications :''' [https://wiki.autosportlabs.com/Harness_specifications#Single_analog/digital_channel| Click here]
<br>
<br>


==Sensor Breakout Board==
'''[ASL_150_BAR_DELPHI3_M8 : 150 bar / 2175 PSI pressure sensor ]'''
[[Image:150 BAR 2175 Psi.png|200px|thumb|right]]
[[Image:add_to_cart.png|70px|thumb|right|link=https://www.autosportlabs.com/product/150-bar-2175-psi-pressure-sensor-with-plug-and-play-harness/]]


We've created an optional sensor breakout / distribution board that will make it easier to use sensors that require pullup resistors as well as making available multiple ground and 5V Vref connections. The built-in pullup resistors are easily disabled by breaking a designated trace on the board. This board is compact; enough to be bundled inline with your wiring harness.
The specification of the sensor are as follows.
[[Image:sensorX_board.png]]


[https://github.com/autosportlabs/SensorX SensorX]
* '''Mfg / Prt :''' ASL_150_BAR_DELPHI3_M8
* '''Thread Size :''' 1/8″ NPT
* '''Cable length :''' 2 Meter
* '''Harness connector :''' M8 plug and play harness connector
* '''Analog Channel Configuration :''' Preset available in the RaceCapture app
* '''Pull up resistor :''' Not required
* '''Voltage supply :''' 5V
* '''Pinout :''' Pin 1 : Ground || Pin 2 : 5V || Pin 3 : Signal Output
* '''Body Material :''' Stainless Steel
* '''Output :''' Linear response output between 0.5v and 4.5v
* '''Use :'''Typically used for high pressure sensing, such as brake or clutch pressure
* '''Full Harness Specifications :''' [https://wiki.autosportlabs.com/Harness_specifications#Single_analog/digital_channel| Click here]
<br>
<br>


Hardware Expansion board <coming soon> look for it to fit into the RJ-45 jack in the back of the RaceCapture Pro. It can be used to develop your own sensors, or hook in some of the cleverer concepts we've come up with!
'''[AEM 30-2131-150 : 150 PSI pressure sensor ]'''
[[Image:AEM-30-2131-150.jpg|200px|thumb|right]]
The specification of the sensor are as follows.


Adapter Board <coming soon> look for it to fit into the GPIO pins on the green removable bus in the back of the RaceCapture Pro.
* '''Mfg / Prt :''' AEM 30-2131-150
* '''Thread Size :''' 1/8″ NPT
* '''Pigtail :''' 3 pin GM connector
* '''Analog Channel Configuration :''' Preset available in the RaceCapture app
* '''Body Material :''' Brass
* '''Output :''' Linear response with an output between 0.5v and 4.5v
* '''Use :'''Appropriate for oil and fuel pressure measurement
* '''Data Sheet :''' [https://documents.holley.com/30-2131-xxx.pdf Click here]
 
<br>
 
==Recommended Manifold Pressure (MAP) Sensors==
 
'''[12223861 (GM) : Manifold Absolute Pressure MAP Sensor ]'''
[[Image:GM_3bar_map_sensor.jpg|200px|thumb|right]]
The specification of the sensor are as follows.
 
* '''Mfg / Prt :''' 12223861 (GM)
* '''Pigtail :''' 15305891 (GM) or PT1035 (AC Delco)
* '''Operating Pressure :''' 40 TO 304 kPa
* '''Voltage supply :'''  5.1 +/- 0.36 V
* '''Analog Channel Configuration :''' Preset available in the RaceCapture app
* '''Pinout :''' Pin A : Ground || Pin B : Signal || Pin C : Power
* '''Output :''' 0.619V to 4.818 VDC<br>
* '''Datasheet :'''[https://www.omnitekcorp.com/images/MAP3barspec.pdf Click here]
<br>
<br>
'''[Freescale MXP4250AP : 2.5 bar Manifold Absolute Pressure Sensor ]'''<br>
[[Image:Freescale-Semiconductor-MPX4250AP.jpg|200px|thumb|right]]
The specification of the sensor are as follows.
* '''Mfg / Prt :''' Freescale MXP4250AP
* '''Operating Pressure :''' 20 to 250 kPa
* '''Voltage supply :'''  4.85 to 5.35 VDC
* '''Analog Channel Configuration :''' Preset available in the RaceCapture app
* '''Pinout :''' Pin A : Ground || Pin B : Signal || Pin C : Power
* '''Output :''' 0.2 to 4.9 V
* '''Use :''' An extremely popular MAP sensor used in the Megajolt ignition and Megasquirt fuel injection systems
* '''Datasheet :'''[https://www.nxp.com/docs/en/data-sheet/MPX4250A.pdf Click here]
 
=Pulse/Speed/RPM Sensors=
 
Wheel speed sensors generate a series of pulses as a toothed wheel passes by the face of the sensor. We recommend hall-effect style sensors, and these are provided with 3 connections:
 
* Power
* Ground
* Signal Output
<br>
 
Note: - We do not recommend using 2 wire Variable Reluctance (VR) type sensors. VR Sensors will require a conditioning circuit before being provided to the inputs of RaceCapture/Pro.
[[Image:speed_sensor_connection.png]]
 
'''Wiring the Speed Sensor'''
 
* '''Power :''' Connect the sensor's power to the 5v Vref on RaceCapture/Pro
* '''Ground :''' Connect the sensor's ground connection to the ground shared by RaceCapture/Pro
* '''Sensor Output :''' Connect the Sensor Output to one of RaceCapture/Pro's timer input channels
<br>
 
'''Optional pull up resistor'''
RaceCapture/Pro requires both a voltage and ground pulse provided in the waveform provided by the sensor. Most sensors provide an internal pull-up resistor so an active square wave can be observed on the output. However, some sensors only switch ground and leave the output line in a high impedance state when not active, like opening and closing a mechanical switch. If the sensor does not provide a pull-up resistor the wheel speed signal may have noise and glitches which may be observed as high value glitches in the dashboard and log file data.
 
If it's determined a pull-up resistor is needed:
 
* Use 2.2 to 10K pull-up resistor can be added close to RaceCapture/Pro to ensure a clear signal
* You can use the SensorX breakout board to conveniently wire this pull-up resistor
 
==Recommended RPM Sensor==
'''[Autosport Labs CoilX RPM Input adapter ]'''
[[Image:CoilX.png|200px|thumb|right]]
[[Image:add_to_cart.png|70px|thumb|right|link=https://www.autosportlabs.com/product/coilx-rpm-input-adapter/]]
 
The specification of the sensor are as follows.
 
* '''Mfg / Prt :''' ASL_COILX
* '''Input Connection :''' Red: Coil Signal || Black: Ground (External)
* '''Output/ To Realitycapture :''' Yellow: 5v power || Black: Output || Red: Ground (data system)
* '''Analog Channel Configuration :''' Preset available in the RaceCapture app
* '''Caution :''' Do not exceed 5 volts or damage to module will occur
* '''Use :''' The CoilX sensor module is designed to safely interface the noisy, high voltage RPM signal at the ignition coil pack primary into a clean signal that RaceCapture/Pro can process.
* '''Installation Instruction :''' [https://wiki.autosportlabs.com/CoilX Click here]
 
<br>
 
==Recommended Wheel Speed / Gear speed Sensors==
 
[[Image:Hamlin_55505_gear_wheel_speed_sensor.jpg|200px|thumb|right]]
'''[Hamlin 55505 : Hall Effect Flange Mount Geartooth Sensor ]'''<br>
The specification of the sensor are as follows.
 
* '''Mfg / Prt :''' Hamlin 55505
* '''Pullup resistor :''' Simple 3 wire hookup - No external pullup resistor required
* '''Pulse Channel Configuration :''' Configure the pulse channel with the number of pulses per revolution, which maps to the number of teeth on the gear / wheel.
* '''Supply Voltage :''' 4.75 to 24 V
* '''Supply Current :''' 1 to 10.5 mA
* '''Operating Temperature :''' -40 to 125c
* '''Use :''' Rugged Hall effect sensor suitable for harsh automotive environments (fuels, solvents, lubricants)
* '''Datasheet : ''' [https://eu.mouser.com/datasheet/2/240/Littelfuse_Hall_Effect_Sensors_55505_Datasheet.pdf-938889.pdf Click here]
<br>
<br>
'''[Cherry GS100701 : GS100701 Gear Speed Sensor ]'''<br>
 
The specification of the sensor are as follows.
[[Image:Cherry_GS100701_gear_speed_sensor.jpg|200px|thumb|right]]
* '''Mfg / Prt :''' Cherry GS100701
* '''Thread Size :''' 15/32-32
* '''Pulse Channel Configuration :''' Configure the pulse channel with the number of pulses per revolution, which maps to the number of teeth on the gear / wheel.
* '''Supply Voltage :''' 5 to 24 V
* '''Supply Current :''' 3 to 6 mA
* '''Operating Temperature :''' -40 to 125c
* '''Body Material :''' Aluminum
* '''Output current :''' 25mA max
* '''Datasheet :''' [https://www.jameco.com/Jameco/Products/ProdDS/512401.pdf Click here]
 
=Distance Sensors=
 
Distance sensors are also a type of active sensors, except string potentiometer sensor, which is a passive device. Distance sensors also provide variable voltage output. These sensors are particularly easy to wire. Nearly all distance Sensors, active sensors, for automotive applications specify 5v power and produce an output within 0 to 5v, making them directly compatible with RaceCapture/Pro. Most pressure sensors have a linear output and therefore are very easy to calibrate.
 
'''Steps for connecting distance sensors'''
# Identify the power, ground and output signal wires. The sensor technical documentation will provide this information
# Connect the sensor ground to the same location as the ground point for RaceCapture/Pro
# If the sensor is 5v powered, connect it to the 5v voltage reference on RaceCapture/Pro
# Connect the sensor output signal to the desired analog input port of RaceCapture/Pro
 
</center>[[Image:Pressure Sensors Connections.png]]</center>
 
==Recommended Ride Height Sensors==
[[File:500mm String Potentiometer.png|200px|thumb|right]]
[[Image:add_to_cart.png|70px|thumb|right|link=https://www.autosportlabs.com/product/500mm-string-potentiometer-sensor/]]<br>
 
'''[ASL_STRING_POT_M8 : 500mm string potentiometer sensor]'''
 
The specification are as follows.
 
* '''Mfg / Prt :''' ASL_STRING_POT_M8
* '''Measurement Range :''' Up to 2 meters,
* '''Draw Cable :''' 500mm stainless steel draw cable
* '''Connector :''' M8 3P connector, works with our plug and play harness system
* '''Cable :''' 2 meter cable
* '''Range :''' 10K ohm range
* '''Pinout :''' Pin 1 : Ground || Pin 2 : Ground || Pin 3 : Signal
* '''Mount Type :''' Three mounting holes available for mounting
* '''Uses :''' Used to measure steering angle or linear travel
* '''Full Harness Specifications :''' [https://wiki.autosportlabs.com/Harness_specifications#Single_analog/digital_channel| Click here]
 
 
 
'''[ Sharp GP2D12 : IR Range Sensor]'''<br>
 
[[Image:Sensor_GP2D12.jpg|200px |thumb|right]]
The specification are as follows.
 
* '''Mfg / Prt :''' Sharp GP2D12
* '''Detecting Range :''' 10-80cm
* '''Connection :''' 3 Pin JST cable
* '''Pinout :''' Pin 1 : Signal || Pin 2 : Ground || Pin3 : Power
* '''Voltage supply :''' -0.3 to 7.0 V
* '''Average current consumption:''' 33 mA
* '''Output Terminal Voltage :''' -0.3 to (VCC + 0.3)
* '''Uses :''' Used for ride height position (pointed at ground) and pedal position measurement
* '''Datasheet :''' [https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/1/GP2D12.pdf Click here]
<br>
<br>
'''[ BMW 37140141444 : Height Level Sensor]'''
<br>
[[Image:BMW_37140141444_ride_height_sensor.jpg|200px |thumb|right]]
The specification are as follows.
 
* '''Mfg / Prt :''' BMW 37140141444
* '''Pigtail :''' 61138383300
* '''Measurement Range :''' Measures distance over 90 degrees of the arm travel.
* '''Pinout :''' Pin 1 : Signal || Pin 2 : Ground || Pin3 : Power
* '''Voltage Supply :''' 5V
* '''Output Terminal Voltage :'''  0-5v
* '''Uses :''' Used as a ride-height sensor for BMW and Mini applications for auto-leveling headlights
<br>
<br>
 
[[Image:KA_Sensors_RHL3_Laser_Ride_Height_Sensor.jpg|200px |thumb|right]]
'''[ KA Sensors RHL3 : Laser Ride Height Sensor]'''
<br>
The specification are as follows.
 
* '''Mfg / Prt :''' BMW 37140141444
* '''Electrical Connection :''' Cable: 26AWG, 55spec wire+DR25 sleeve or ASL Conn.
* '''Measurement Range :''' 200mm (60-260) or 500mm (200-700)
* '''Pinout :''' Red (Pin1)  : +Ve Supply || Black (Pin 2)  : Ground || White (Pin 3) : Signal || Pin 4 & 5 : Not Connected
* '''Voltage Supply :''' 11-30v (50mA) ( Separate power supply required )
* '''Output Terminal Voltage :'''  1-5v
* '''Body Material :''' Aluminum
* '''Datasheet :''' [https://www.kasensors.com/sites/default/files/downloads/RHL3_Laser_Ride_Height_Sensor_Datasheet_RHL3_1115.pdf Click here]
<br>
 
=== Analog Channel Configuration of Ride Height Sensors ===
 
'''Note :''' Please follow the below instruction for all the ride height sensors analog channel configuration.
<br>
 
'''Step To Calibrate :'''
 
# After installation place the vehicle on a level surface
# Set the Analog calibration to 0-5v simple linear scaling
# At rest, note the voltage of the sensor. This is the zero level.
# Raise and safely support the corner of the vehicle and remove the spring.
# Move the suspension arm to full droop. Note actual inches / mm traveled and also note the voltage logged by RaceCapture/Pro
# Move the suspension arm to full compression. Note actual inches / mm and also note the voltage logged by RaceCapture/Pro<br>
 
<br>
'''Create Calibration Table:'''<br>
 
# Place the droop voltage / distance combination into the 1st column of the calibration table. Make the distance negative
# Place the 'at rest' voltage into the 2nd column of the calibration table. Make the distance zero
# Place the compression voltage / distance into the 3rd column of the calibration table. Make the distance positive
# Repeat the compression voltage / distance values for the 4th and 5th columns
 
=Angle/Rotation Sensors=
These type of sensors are passive devices comprising some form of a variable resistor.
 
'''Steps for connecting Angle/Rotation Sensors'''
* Consult the sensor's technical documentation for sensor connections.
* Connect one of the outside legs of the variable resistor to the ground point for RaceCapture/Pro
* Connect the opposite leg of the variable resistor to the 5v Vref of RaceCapture/Pro
* Connect the variable resistor wiper (typically the center lead) to the the desired analog input port of RaceCapture/Pro
* During calibration, if the sensor reads backwards, flip the 5v and ground connections.
<br>
 
'''Note :''' Users can follow the same instruction for connecting string Potentiometer
[[Image:Potentiometer Sensor Connection.png]]
==Recommended Throttle Position (TPS) Sensor==
[[Image:TPS-45.jpg|200px|thumb|right]]
'''[Ford / SMP TH45 : Throttle Position Sensor]'''
 
The specifications are as follows.
* '''Mfg/Prt :''' Ford / SMP TH45
* '''Pigtail :''' Pico 5752PT
* '''Supply Voltage :''' 5V
* '''Analog Channel Configuration :'''To calibrate, note the voltage at 0% throttle and then at 100% throttle. Use these two numbers to create a 2 point analog scaling map
* '''Use :''' Common Ford style Throttle Position sensor
 
=Air & Fuel Ratio/ Level Sensor=
 
Fuel Level Sensors are also variable resistor, these provide variable resistance based on the level of the float.
 
'''Wiring'''<br>
 
Determine if you need a pullup resistor, or if you are tapping into an existing circuit with a gauge.
 
'''If you already have a gauge connected''', you will not need a pullup resistor - the gauge's internal circuitry already provides one. You will only need to tap into the existing signal feeding the fuel gauge sender. Jump to the calibration process below.<br>
 
'''Note :''' You will need to ensure the sender does not exceed 5v during calibration. if it does, you will need an additional voltage divider to scale the voltage down to 0-5v required by the RaceCapture input.<br>
 
[[Image:Fuel_level_sender_with_existing_gauge.png]]
 
If you have no gauge / you want to only use RaceCapture for your dashboard gauge, want to directly integrate with RaceCapture's analog input, follow this procedure.
* Choose a pull-up resistor value based on the the sender's ohm range. If it is less than 1000 ohms, then choose a 1000 (1K) ohm resistor as your pull-up. If the sender range is higher than 1000 ohms, choose a 2.2K resistor
**Rule of thumb - choose a resistor that is about 2X to 4X the maximum resistance of the sender
**A 1/2 watt, 1% accuracy resistor is recommended
 
* Wire up the sender per the diagram:
**Connect the ground of the fuel level sender to ground (ideally the same ground point used by RaceCapture)
**Connect the output of the sender to one of RaceCapture's analog inputs
**Connect the pullup resistor between +5v reference and the sender's output. This creates the voltage divider circuit which will present RaceCapture with a variable voltage depending on fuel level.
[[file:Fuel_level_sender_direct_connection.png]]
 
==Recommended Air / Fuel Ratio Sensor==
[[Image:Texense LSU 4.9 Sensor.png|200px|thumb|right]]
'''[Texense LSU 4.9 : Air / Fuel Ratio Sensors]'''
 
The specifications are as follows.
 
* '''Mfg/Prt :''' Texense LSU 4.9
* '''Pigtail''' : Built-in wiring
* '''Fitting :''' Screws into O2 sensor port
* '''Analog Channel Configuration :''' Preset available in the RaceCapture app
* '''Use :''' Use to measure the oxygen ratio in the exhaust gas of automobile engines (petrol or diesel)
* '''Datasheet :''' [https://www.sens4speed.com/images/produit/pdf/5cb9bc3f25e16669665015.pdf Click here]
 
=Thermal Sensor=
Thermal imaging sensors visualize how your tires are working, in real time, and use it to tune your suspension for maximum grip and balance. Thermal imaging sensors have superior accuracy and thermal compensation than other sensors, it’s thermal array design allows it measuring beyond tire temperatures.
==Recommended Thermal Sensors==
[[Image:tirex_3quarter.jpg|200px|right|thumb]]
[[Image:add_to_cart.png|70px|thumb|right|link=https://www.autosportlabs.com/product/tirex-advanced-thermal-sensor/]]
'''[ASL_TIREX_4PACK / ASL_TIREX_SINGLE : TireX advanced thermal sensor ]'''
 
The specification of the sensor are as follows.
 
* '''Mfg / Prt :''' ASL_TIREX_4PACK / ASL_TIREX_SINGLE
* '''Sensor Resolution :''' 16 x 12 (192 pixels)
* '''Field of view :''' 110 x 75 degrees
* '''Accuracy :''' 1C
* '''Sample rate :''' 0.5 – 64Hz (Tire temperature mode) 0.5 – 10Hz (Full frame mode)
* '''Supply voltage :''' 6 – 12v
* '''Power :''' 200mW
* '''Harness :''' M8 4P Male, 250mm length
* '''Interface :''' CAN 2.0
* ''' Specifications and Installation guide :''' [https://wiki.autosportlabs.com/TireX Click here]
 
=SensorX sensor breakout board=
[[File:Seensorx sensor breakout.png|180px|thumb]]
[[Image:add_to_cart.png|70px|thumb|right|link=https://www.autosportlabs.com/product/sensorx-sensor-breakout-board/]]<br>
 
SensorX is a breakout / distribution board that will make it easier to use sensors that require pullup resistors as well as making available multiple ground and 5V Vref connections.
 
The built-in pullup resistors are easily disabled by breaking a designated trace on the board. This board is compact; enough to be bundled inline with your wiring harness and covered in heat shrink tubing when complete.
 
The features of boards are as follows.
* Breakout board is use to combine up to 7 analog sensor inputs and their matching ground connections and 5v power connections.
* Dimensions: 0.4″ x 4″
* Five 2.2K resistors
* For more details : [https://wiki.autosportlabs.com/SensorX Click here]
 
=Wiring Analog Sensors=
==RaceCapture/Pro Analog Input Specifications==
 
* '''Total Analog Inputs :''' 8 ( the 8th input is wired internally to measuring battery voltage.)
* '''Analog Input Voltage Range :''' 0 to 5V
* '''Input Impedance :''' Over 1 mega ohm
 
==Calibrating Analog Sensors==
===Linear Sensors===
A linear sensor specify two voltages/value pairs representing a low and high range for the sensor. A straight line is drawn between the points on the sensor.
 
'''Example : 150 PSI pressure sensor'''
* 0.5 v = 0 PSI
* 4.5 v = 150 PSI
 
In the Analog Channel configuration, select the "'Mapped"' sensor mode, and then enter the values into the interpolated mapping grid.
 
* For column 1, enter the low voltage range in the Volts cell, and the low scaled value in the Scaled cell.
* For columns 2-5 enter the high voltage range in the Volts cell, and the high scaled value in the Scaled cell<br>
<br>
 
[[file:linear_sensor_mapping.png]]
 
<br>
===Curved Sensors===
Curved sensors are usually thermistor based sensors, where the response is not a straight line, but a curve. Multiple points can be used to sufficiently approximate the curve.
 
'''Note :''' RaceCapture  linearly interpolates the scaled values between the sensor points, so value transitions will be smooth.
 
'''Example :  Extended range temperature sensor with 5v reference and 2.2K pullup resistor'''
* 0.4 v = 302 F
* 0.87 v = 239 F
* 1.88 v = 176 F
* 3.2 v = 122 F
* 4.72 v = 32 F
 
In the Analog Channel configuration, select the Mapped sensor mode, and then enter the values into the interpolated mapping grid.<br>
 
 
[[file:curved_sensor_mapping.png]]<br>
 
 
'''Note :''' If you have more than 5 points for the curve, spread the selection of points evenly between your low and high range.
 
===Fuel Level Sensors===
Fuel Level Sensors are usually variable resistance based sensors, and provide a variable resistance based on the level of the float.
 
'''Calibration'''<br>
 
With the fuel at different levels, measure and note the voltage present at the RaceCapture analog input for different fuel levels:
 
* Empty (0%)
* 1/4 (25%)
* 1/2 (50%)
* 3/4 (75%)
* Full (100%)
<br>
 
'''Set up the Analog Channel'''
# Choose an available analog input for your Fuel Level channel, then select the basic fuel level preset by selecting Fuel Level in the dropdown list. (This pre-sets the units (%), logging precision and min / max values. You can edit this by pressing the gear button next to the channel name
# Set the sample rate to 1Hz.
# Set the mode to Mapped. This will let you create a curved mapping for the sensor voltage.
# Set the smoothing to Maximum - this will help account for variances due to fuel slosh.
# Enter the mapped values noted in the calibration process into the Analog Channel mapping editor under RaceCapture setup. This will provide the calibration curve for your fuel tank.
# Write these settings back to RaceCapture and observe your fuel level readings in units of percentage.
<br>
 
'''Example BMW E36 fuel level mapping'''
 
Example BMW E36 Fuel curve mapping (your sender's calibration will be different)
 
[[file:BMW_E36_fuel_level_curve.png]]

Latest revision as of 08:57, 31 December 2023

Temperature Sensors

Temperature sensors are passive devices that measure temperature through the use of a thermistor, a resistor that varies resistance with temperature. We recommend using dedicated, two wire ECU-style sensor similar to the types specified in our recommended sensor list for best results.

Temp sensor connection.png

Pullup Resistor

A pullup resistor is needed to create the necessary voltage divider circuit so RaceCapture/Pro's analog input can measure temperature as a varying voltage. This pullup resistor is connected to the 5v reference on the RaceCapture/Pro terminal block.

High Resistance ECU style sensors Use a 2.2K ohm pull-up resistor for high resistance ECU style sensors, such as the temperature sensors in supported list

Low Resistance Gauge type sensors Low resistance gauge type sensors are not recommended. If you must use one of these types of sensors, a 1/4 watt 220 ohm pull-up resistor can be used for sensors such as VDO 323-095, 325-002 and similar.

Sensor Ground

Two wire ECU style temperature sensors have one sense lead and one ground lead. For best accuracy, connect the ground lead to the same ground point as RaceCapture/Pro. One wire gauge type sensors have the ground as the body of the sensor. Ensure the engine is properly grounded to the chassis via multiple ground straps.

Recommended GM-Style Temperature Sensor

-40 to 150C.jpg
Add to cart.png

[ASL_LINEAR_TEMP_M8 : -40 to 150C Linear temperature sensor ]

The specification of the sensor are as follows.

  • Mfg / Prt : ASL_LINEAR_TEMP_M8
  • Thread Size : 1/8″ NPT
  • Cable length : 1 Meter
  • Pigtail / Harness connector : M8
  • Analog Channel Configuration : Preset available in the RaceCapture app
  • Pull up resistor : Not required
  • Voltage supply : 3-5V
  • Pinout : Pin 1 : Ground || Pin 2 : 5V || Pin 3 : Signal Output
  • Body Material : Stainless Steel
  • Uses : The sensor is suitable for fluids such as oil, coolant and water
  • Full Harness Specifications : Click here



SU109 C.jpg

[ Wells SU109 || SMP TX3 : Engine Coolant Temperature Sensor ]

The specification of the sensor are as follows.

  • Mfg / Prt : Wells SU109 || SMP TX3
  • Thread Size : 3/8" NPT
  • Cable length : N/A
  • Pigtail : Pico 5615pt ( 2 pin terminal )
  • Analog Channel Configuration : Preset available in the RaceCapture app
  • Pull up resistor : 2.2K pullup resistor
  • Body Material : Copper
  • Uses : Used for air inlet temperature for normally aspirated engine




[ Wells SU107 || SMP TX3 : Air Intake / Charge Temperature Sensor]

SU107 C.jpg

The specification of the sensor are as follows

  • Mfg / Prt : Wells SU107 || SMP AX1
  • Thread Size : 3/8" NPT
  • Pigtail :Pico 5616pt
  • Analog Channel Configuration : Preset available in the RaceCapture app
  • Pull up resistor : 2.2K pullup resistor
  • Body Material : Brass
  • Uses : Use for measuring air inlet / charge temperature measurement
  • Caution : Due to the fragility of the sensing bulb, it is necessary to pot the base of the sensor leads with sensor-safe silicone when used in high vibration environments.


Recommended Delphi-Style Temperature Sensor

[ Delphi 12160855 || AEM-30-2012 : Extended temperature range sensor ]

AEM-30-2012.jpg

The specifications are as follows.

  • Mfg / Prt : Delphi 12160855 equivalent || AEM-30-2012 Equivalent
  • Thread Size : 1/8" - 27 NPTF
  • Matting Connector : 12047662 connector
  • Analog Channel Configuration : Preset available in the RaceCapture app
  • Pull up resistor : 2.2K pullup resisto
  • Voltage supply : 5V
  • Body Material : Brass (PA66)
  • Uses : Extended temperature range suitable for coolant and oil
  • Datasheet :Click here

Pressure Sensors

Pressure sensors are powered devices and are a type of active sensors. They provide a variable voltage output. Pressure sensors are particularly easy to wire. Nearly all Pressure Sensors, active sensors, for automotive applications specify 5v power and produce an output within 0 to 5v, making them directly compatible with RaceCapture/Pro. Most pressure sensors have a linear output and therefore are very easy to calibrate.


Steps for connecting pressure sensors

  1. Identify the power, ground and output signal wires. The sensor technical documentation will provide this information
  2. Connect the sensor ground to the same location as the ground point for RaceCapture/Pro
  3. If the sensor is 5v powered, connect it to the 5v voltage reference on RaceCapture/Pro
  4. Connect the sensor output signal to the desired analog input port of RaceCapture/Pro

Pressure Sensors Connections.png

Recommended Fluid Pressure Sensors

Note : These sensors are appropriate for measuring fluid pressures in an engine. Not appropriate for measuring manifold boost or vacuum as these are relative pressure sensors. Use an absolute pressure sensor instead.


10 Bar 150 psi.png
Add to cart.png

[ASL_10_BAR_DELPHI3_M8 : 10 bar / 150 PSI pressure sensor ]

The specification of the sensor are as follows.

  • Mfg / Prt : ASL_10_BAR_DELPHI3_M8
  • Thread Size : 1/8″ NPT
  • Cable length : 2 Meter
  • Harness connector : M8 plug and play harness connector
  • Analog Channel Configuration : Preset available in the RaceCapture app
  • Pull up resistor : Not required
  • Voltage supply : 5V
  • Pinout : Pin 1 : Ground || Pin 2 : 5V || Pin 3 : Signal Output
  • Body Material : Stainless Steel
  • Output : Linear response output between 0.5v and 4.5v
  • Full Harness Specifications : Click here



[ASL_150_BAR_DELPHI3_M8 : 150 bar / 2175 PSI pressure sensor ]

150 BAR 2175 Psi.png
Add to cart.png

The specification of the sensor are as follows.

  • Mfg / Prt : ASL_150_BAR_DELPHI3_M8
  • Thread Size : 1/8″ NPT
  • Cable length : 2 Meter
  • Harness connector : M8 plug and play harness connector
  • Analog Channel Configuration : Preset available in the RaceCapture app
  • Pull up resistor : Not required
  • Voltage supply : 5V
  • Pinout : Pin 1 : Ground || Pin 2 : 5V || Pin 3 : Signal Output
  • Body Material : Stainless Steel
  • Output : Linear response output between 0.5v and 4.5v
  • Use :Typically used for high pressure sensing, such as brake or clutch pressure
  • Full Harness Specifications : Click here



[AEM 30-2131-150 : 150 PSI pressure sensor ]

AEM-30-2131-150.jpg

The specification of the sensor are as follows.

  • Mfg / Prt : AEM 30-2131-150
  • Thread Size : 1/8″ NPT
  • Pigtail : 3 pin GM connector
  • Analog Channel Configuration : Preset available in the RaceCapture app
  • Body Material : Brass
  • Output : Linear response with an output between 0.5v and 4.5v
  • Use :Appropriate for oil and fuel pressure measurement
  • Data Sheet : Click here


Recommended Manifold Pressure (MAP) Sensors

[12223861 (GM) : Manifold Absolute Pressure MAP Sensor ]

GM 3bar map sensor.jpg

The specification of the sensor are as follows.

  • Mfg / Prt : 12223861 (GM)
  • Pigtail : 15305891 (GM) or PT1035 (AC Delco)
  • Operating Pressure : 40 TO 304 kPa
  • Voltage supply : 5.1 +/- 0.36 V
  • Analog Channel Configuration : Preset available in the RaceCapture app
  • Pinout : Pin A : Ground || Pin B : Signal || Pin C : Power
  • Output : 0.619V to 4.818 VDC
  • Datasheet :Click here



[Freescale MXP4250AP : 2.5 bar Manifold Absolute Pressure Sensor ]

Freescale-Semiconductor-MPX4250AP.jpg

The specification of the sensor are as follows.

  • Mfg / Prt : Freescale MXP4250AP
  • Operating Pressure : 20 to 250 kPa
  • Voltage supply : 4.85 to 5.35 VDC
  • Analog Channel Configuration : Preset available in the RaceCapture app
  • Pinout : Pin A : Ground || Pin B : Signal || Pin C : Power
  • Output : 0.2 to 4.9 V
  • Use : An extremely popular MAP sensor used in the Megajolt ignition and Megasquirt fuel injection systems
  • Datasheet :Click here

Pulse/Speed/RPM Sensors

Wheel speed sensors generate a series of pulses as a toothed wheel passes by the face of the sensor. We recommend hall-effect style sensors, and these are provided with 3 connections:

  • Power
  • Ground
  • Signal Output


Note: - We do not recommend using 2 wire Variable Reluctance (VR) type sensors. VR Sensors will require a conditioning circuit before being provided to the inputs of RaceCapture/Pro. Speed sensor connection.png

Wiring the Speed Sensor

  • Power : Connect the sensor's power to the 5v Vref on RaceCapture/Pro
  • Ground : Connect the sensor's ground connection to the ground shared by RaceCapture/Pro
  • Sensor Output : Connect the Sensor Output to one of RaceCapture/Pro's timer input channels


Optional pull up resistor RaceCapture/Pro requires both a voltage and ground pulse provided in the waveform provided by the sensor. Most sensors provide an internal pull-up resistor so an active square wave can be observed on the output. However, some sensors only switch ground and leave the output line in a high impedance state when not active, like opening and closing a mechanical switch. If the sensor does not provide a pull-up resistor the wheel speed signal may have noise and glitches which may be observed as high value glitches in the dashboard and log file data.

If it's determined a pull-up resistor is needed:

  • Use 2.2 to 10K pull-up resistor can be added close to RaceCapture/Pro to ensure a clear signal
  • You can use the SensorX breakout board to conveniently wire this pull-up resistor

Recommended RPM Sensor

[Autosport Labs CoilX RPM Input adapter ]

CoilX.png
Add to cart.png

The specification of the sensor are as follows.

  • Mfg / Prt : ASL_COILX
  • Input Connection : Red: Coil Signal || Black: Ground (External)
  • Output/ To Realitycapture : Yellow: 5v power || Black: Output || Red: Ground (data system)
  • Analog Channel Configuration : Preset available in the RaceCapture app
  • Caution : Do not exceed 5 volts or damage to module will occur
  • Use : The CoilX sensor module is designed to safely interface the noisy, high voltage RPM signal at the ignition coil pack primary into a clean signal that RaceCapture/Pro can process.
  • Installation Instruction : Click here


Recommended Wheel Speed / Gear speed Sensors

Hamlin 55505 gear wheel speed sensor.jpg

[Hamlin 55505 : Hall Effect Flange Mount Geartooth Sensor ]
The specification of the sensor are as follows.

  • Mfg / Prt : Hamlin 55505
  • Pullup resistor : Simple 3 wire hookup - No external pullup resistor required
  • Pulse Channel Configuration : Configure the pulse channel with the number of pulses per revolution, which maps to the number of teeth on the gear / wheel.
  • Supply Voltage : 4.75 to 24 V
  • Supply Current : 1 to 10.5 mA
  • Operating Temperature : -40 to 125c
  • Use : Rugged Hall effect sensor suitable for harsh automotive environments (fuels, solvents, lubricants)
  • Datasheet : Click here



[Cherry GS100701 : GS100701 Gear Speed Sensor ]

The specification of the sensor are as follows.

Cherry GS100701 gear speed sensor.jpg
  • Mfg / Prt : Cherry GS100701
  • Thread Size : 15/32-32
  • Pulse Channel Configuration : Configure the pulse channel with the number of pulses per revolution, which maps to the number of teeth on the gear / wheel.
  • Supply Voltage : 5 to 24 V
  • Supply Current : 3 to 6 mA
  • Operating Temperature : -40 to 125c
  • Body Material : Aluminum
  • Output current : 25mA max
  • Datasheet : Click here

Distance Sensors

Distance sensors are also a type of active sensors, except string potentiometer sensor, which is a passive device. Distance sensors also provide variable voltage output. These sensors are particularly easy to wire. Nearly all distance Sensors, active sensors, for automotive applications specify 5v power and produce an output within 0 to 5v, making them directly compatible with RaceCapture/Pro. Most pressure sensors have a linear output and therefore are very easy to calibrate.

Steps for connecting distance sensors

  1. Identify the power, ground and output signal wires. The sensor technical documentation will provide this information
  2. Connect the sensor ground to the same location as the ground point for RaceCapture/Pro
  3. If the sensor is 5v powered, connect it to the 5v voltage reference on RaceCapture/Pro
  4. Connect the sensor output signal to the desired analog input port of RaceCapture/Pro

Pressure Sensors Connections.png

Recommended Ride Height Sensors

500mm String Potentiometer.png
Add to cart.png


[ASL_STRING_POT_M8 : 500mm string potentiometer sensor]

The specification are as follows.

  • Mfg / Prt : ASL_STRING_POT_M8
  • Measurement Range : Up to 2 meters,
  • Draw Cable : 500mm stainless steel draw cable
  • Connector : M8 3P connector, works with our plug and play harness system
  • Cable : 2 meter cable
  • Range : 10K ohm range
  • Pinout : Pin 1 : Ground || Pin 2 : Ground || Pin 3 : Signal
  • Mount Type : Three mounting holes available for mounting
  • Uses : Used to measure steering angle or linear travel
  • Full Harness Specifications : Click here


[ Sharp GP2D12 : IR Range Sensor]

Sensor GP2D12.jpg

The specification are as follows.

  • Mfg / Prt : Sharp GP2D12
  • Detecting Range : 10-80cm
  • Connection : 3 Pin JST cable
  • Pinout : Pin 1 : Signal || Pin 2 : Ground || Pin3 : Power
  • Voltage supply : -0.3 to 7.0 V
  • Average current consumption: 33 mA
  • Output Terminal Voltage : -0.3 to (VCC + 0.3)
  • Uses : Used for ride height position (pointed at ground) and pedal position measurement
  • Datasheet : Click here



[ BMW 37140141444 : Height Level Sensor]

BMW 37140141444 ride height sensor.jpg

The specification are as follows.

  • Mfg / Prt : BMW 37140141444
  • Pigtail : 61138383300
  • Measurement Range : Measures distance over 90 degrees of the arm travel.
  • Pinout : Pin 1 : Signal || Pin 2 : Ground || Pin3 : Power
  • Voltage Supply : 5V
  • Output Terminal Voltage : 0-5v
  • Uses : Used as a ride-height sensor for BMW and Mini applications for auto-leveling headlights



KA Sensors RHL3 Laser Ride Height Sensor.jpg

[ KA Sensors RHL3 : Laser Ride Height Sensor]
The specification are as follows.

  • Mfg / Prt : BMW 37140141444
  • Electrical Connection : Cable: 26AWG, 55spec wire+DR25 sleeve or ASL Conn.
  • Measurement Range : 200mm (60-260) or 500mm (200-700)
  • Pinout : Red (Pin1)  : +Ve Supply || Black (Pin 2)  : Ground || White (Pin 3) : Signal || Pin 4 & 5 : Not Connected
  • Voltage Supply : 11-30v (50mA) ( Separate power supply required )
  • Output Terminal Voltage : 1-5v
  • Body Material : Aluminum
  • Datasheet : Click here


Analog Channel Configuration of Ride Height Sensors

Note : Please follow the below instruction for all the ride height sensors analog channel configuration.

Step To Calibrate :

  1. After installation place the vehicle on a level surface
  2. Set the Analog calibration to 0-5v simple linear scaling
  3. At rest, note the voltage of the sensor. This is the zero level.
  4. Raise and safely support the corner of the vehicle and remove the spring.
  5. Move the suspension arm to full droop. Note actual inches / mm traveled and also note the voltage logged by RaceCapture/Pro
  6. Move the suspension arm to full compression. Note actual inches / mm and also note the voltage logged by RaceCapture/Pro


Create Calibration Table:

  1. Place the droop voltage / distance combination into the 1st column of the calibration table. Make the distance negative
  2. Place the 'at rest' voltage into the 2nd column of the calibration table. Make the distance zero
  3. Place the compression voltage / distance into the 3rd column of the calibration table. Make the distance positive
  4. Repeat the compression voltage / distance values for the 4th and 5th columns

Angle/Rotation Sensors

These type of sensors are passive devices comprising some form of a variable resistor.

Steps for connecting Angle/Rotation Sensors

  • Consult the sensor's technical documentation for sensor connections.
  • Connect one of the outside legs of the variable resistor to the ground point for RaceCapture/Pro
  • Connect the opposite leg of the variable resistor to the 5v Vref of RaceCapture/Pro
  • Connect the variable resistor wiper (typically the center lead) to the the desired analog input port of RaceCapture/Pro
  • During calibration, if the sensor reads backwards, flip the 5v and ground connections.


Note : Users can follow the same instruction for connecting string Potentiometer Potentiometer Sensor Connection.png

Recommended Throttle Position (TPS) Sensor

TPS-45.jpg

[Ford / SMP TH45 : Throttle Position Sensor]

The specifications are as follows.

  • Mfg/Prt : Ford / SMP TH45
  • Pigtail : Pico 5752PT
  • Supply Voltage : 5V
  • Analog Channel Configuration :To calibrate, note the voltage at 0% throttle and then at 100% throttle. Use these two numbers to create a 2 point analog scaling map
  • Use : Common Ford style Throttle Position sensor

Air & Fuel Ratio/ Level Sensor

Fuel Level Sensors are also variable resistor, these provide variable resistance based on the level of the float.

Wiring

Determine if you need a pullup resistor, or if you are tapping into an existing circuit with a gauge.

If you already have a gauge connected, you will not need a pullup resistor - the gauge's internal circuitry already provides one. You will only need to tap into the existing signal feeding the fuel gauge sender. Jump to the calibration process below.

Note : You will need to ensure the sender does not exceed 5v during calibration. if it does, you will need an additional voltage divider to scale the voltage down to 0-5v required by the RaceCapture input.

Fuel level sender with existing gauge.png


If you have no gauge / you want to only use RaceCapture for your dashboard gauge, want to directly integrate with RaceCapture's analog input, follow this procedure.

  • Choose a pull-up resistor value based on the the sender's ohm range. If it is less than 1000 ohms, then choose a 1000 (1K) ohm resistor as your pull-up. If the sender range is higher than 1000 ohms, choose a 2.2K resistor
    • Rule of thumb - choose a resistor that is about 2X to 4X the maximum resistance of the sender
    • A 1/2 watt, 1% accuracy resistor is recommended
  • Wire up the sender per the diagram:
    • Connect the ground of the fuel level sender to ground (ideally the same ground point used by RaceCapture)
    • Connect the output of the sender to one of RaceCapture's analog inputs
    • Connect the pullup resistor between +5v reference and the sender's output. This creates the voltage divider circuit which will present RaceCapture with a variable voltage depending on fuel level.

Fuel level sender direct connection.png

Recommended Air / Fuel Ratio Sensor

Texense LSU 4.9 Sensor.png

[Texense LSU 4.9 : Air / Fuel Ratio Sensors]

The specifications are as follows.

  • Mfg/Prt : Texense LSU 4.9
  • Pigtail : Built-in wiring
  • Fitting : Screws into O2 sensor port
  • Analog Channel Configuration : Preset available in the RaceCapture app
  • Use : Use to measure the oxygen ratio in the exhaust gas of automobile engines (petrol or diesel)
  • Datasheet : Click here

Thermal Sensor

Thermal imaging sensors visualize how your tires are working, in real time, and use it to tune your suspension for maximum grip and balance. Thermal imaging sensors have superior accuracy and thermal compensation than other sensors, it’s thermal array design allows it measuring beyond tire temperatures.

Recommended Thermal Sensors

Tirex 3quarter.jpg
Add to cart.png

[ASL_TIREX_4PACK / ASL_TIREX_SINGLE : TireX advanced thermal sensor ]

The specification of the sensor are as follows.

  • Mfg / Prt : ASL_TIREX_4PACK / ASL_TIREX_SINGLE
  • Sensor Resolution : 16 x 12 (192 pixels)
  • Field of view : 110 x 75 degrees
  • Accuracy : 1C
  • Sample rate : 0.5 – 64Hz (Tire temperature mode) 0.5 – 10Hz (Full frame mode)
  • Supply voltage : 6 – 12v
  • Power : 200mW
  • Harness : M8 4P Male, 250mm length
  • Interface : CAN 2.0
  • Specifications and Installation guide : Click here

SensorX sensor breakout board

Seensorx sensor breakout.png
Add to cart.png


SensorX is a breakout / distribution board that will make it easier to use sensors that require pullup resistors as well as making available multiple ground and 5V Vref connections.

The built-in pullup resistors are easily disabled by breaking a designated trace on the board. This board is compact; enough to be bundled inline with your wiring harness and covered in heat shrink tubing when complete.

The features of boards are as follows.

  • Breakout board is use to combine up to 7 analog sensor inputs and their matching ground connections and 5v power connections.
  • Dimensions: 0.4″ x 4″
  • Five 2.2K resistors
  • For more details : Click here

Wiring Analog Sensors

RaceCapture/Pro Analog Input Specifications

  • Total Analog Inputs : 8 ( the 8th input is wired internally to measuring battery voltage.)
  • Analog Input Voltage Range : 0 to 5V
  • Input Impedance : Over 1 mega ohm

Calibrating Analog Sensors

Linear Sensors

A linear sensor specify two voltages/value pairs representing a low and high range for the sensor. A straight line is drawn between the points on the sensor.

Example : 150 PSI pressure sensor

  • 0.5 v = 0 PSI
  • 4.5 v = 150 PSI

In the Analog Channel configuration, select the "'Mapped"' sensor mode, and then enter the values into the interpolated mapping grid.

  • For column 1, enter the low voltage range in the Volts cell, and the low scaled value in the Scaled cell.
  • For columns 2-5 enter the high voltage range in the Volts cell, and the high scaled value in the Scaled cell


Linear sensor mapping.png


Curved Sensors

Curved sensors are usually thermistor based sensors, where the response is not a straight line, but a curve. Multiple points can be used to sufficiently approximate the curve.

Note : RaceCapture linearly interpolates the scaled values between the sensor points, so value transitions will be smooth.

Example : Extended range temperature sensor with 5v reference and 2.2K pullup resistor

  • 0.4 v = 302 F
  • 0.87 v = 239 F
  • 1.88 v = 176 F
  • 3.2 v = 122 F
  • 4.72 v = 32 F

In the Analog Channel configuration, select the Mapped sensor mode, and then enter the values into the interpolated mapping grid.


Curved sensor mapping.png


Note : If you have more than 5 points for the curve, spread the selection of points evenly between your low and high range.

Fuel Level Sensors

Fuel Level Sensors are usually variable resistance based sensors, and provide a variable resistance based on the level of the float.

Calibration

With the fuel at different levels, measure and note the voltage present at the RaceCapture analog input for different fuel levels:

  • Empty (0%)
  • 1/4 (25%)
  • 1/2 (50%)
  • 3/4 (75%)
  • Full (100%)


Set up the Analog Channel

  1. Choose an available analog input for your Fuel Level channel, then select the basic fuel level preset by selecting Fuel Level in the dropdown list. (This pre-sets the units (%), logging precision and min / max values. You can edit this by pressing the gear button next to the channel name
  2. Set the sample rate to 1Hz.
  3. Set the mode to Mapped. This will let you create a curved mapping for the sensor voltage.
  4. Set the smoothing to Maximum - this will help account for variances due to fuel slosh.
  5. Enter the mapped values noted in the calibration process into the Analog Channel mapping editor under RaceCapture setup. This will provide the calibration curve for your fuel tank.
  6. Write these settings back to RaceCapture and observe your fuel level readings in units of percentage.


Example BMW E36 fuel level mapping

Example BMW E36 Fuel curve mapping (your sender's calibration will be different)

BMW E36 fuel level curve.png

Retrieved from "https://wiki.autosportlabs.com/index.php?title=RaceCapturePro_Sensors&oldid=9928"