DriverID Selector Switch: Difference between revisions

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[[image:Resister.png|400px]]
[[image:Resister.png|400px]]


'''Resistors (1ea):'''
'''[https://amzn.to/2ubkvCX Resistors:]'''
For switches with 2-6 positions:
{| class="wikitable"
! DriverID
! Resister
! Voltage
|-
| 1
| 2.4K (2.2K will work)
| 1.0V (0.9V if 2.2K used)
|-
| 2
| 3K
| 1.75V
|-
| 3
| 4.7K
| 2.5V
|-
| 4
| 8.2K
| 3.25V
|-
| 5
| 22K
| 4.0V
|-
| 6
| 150K
| 4.75V
|-
|
| 10K
| required for 5V voltage divider
|}


For switches with 7-11 Positions:
You can use any value resister you want, but they all need to be the same value. Recommend 1k-100K range. You need '''total number of drivers - 1''' resisters. Ie if you have a 6 driver switch, you need 5 resistors (all same value). If you have 4 driver switch, you need 3 resistors, etc. 
{| class="wikitable"
! DriverID
! Resister
! Voltage
|-
| 1
| 1K
| 0.45V
|-
| 2
| 1.5K
| 1.0V
|-
| 3
| 1.8K
| 1.5V
|-
| 4
| 2.2K
| 1.97V
|-
| 5
| 3.3K
| 2.48V
|-
| 6
| 5.1K
| 3.0V
|-
| 7
| 8.06K
| 3.48V
|-
| 8
| 16.9K
| 4.0V
|-
| 9
| 51K
| 4.5V
|-
| 10
| 1M
| 4.95V
|-
| 11
| 16 Ohm
| 0.0V (If you need an 11th driver move this to Driver1 and all others down one position)
|-
|
| 10K
| required for 5V voltage divider
|}


You can get these resisters from [https://www.digikey.com/products/en/resistors/through-hole-resistors/53 Digi-Key.com] and search by resistance.  Try to get as close as possible.  You only need to purchase/use the resisters up to the number of drivers you have, plus the 10K resister. (ie if you only have 4 drivers, purchase the resisters associated with DriverID 1-4 in the top table, plus a 10K resister).
If you get different resisters than ones above, you can use this [http://www.ohmslawcalculator.com/voltage-divider-calculator link to figure out what the output voltage will be].  Set Vs to 5V, R1 to 10K.  For R2, take the resister you have and add all of the resisters before it, to get the total resistance.  It will calculate Vout for you.  Use this to map your sensor inputs in Race Capture App.
http://www.ohmslawcalculator.com/voltage-divider-calculator


==Wiring==
==Wiring==
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[[image:DriverSelectorSwitchAnotated.jpg|800px]]
[[image:DriverSelectorSwitchAnotated.jpg|800px]]
*Solder the resister for Driver 2 between switch position 1 and switch position 2, down low on the posts
*Solder the resister for Driver 2 between switch position 1 and switch position 2, down low on the posts
*Solder the resister for Driver 4 between switch position 3 and switch position 4, down low on the posts
*Solder the resister for Driver 4 between switch position 3 and switch position 4, down low on the posts
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*Solder the resister for Driver 3 between switch position 2 and switch position 3, up high on the posts
*Solder the resister for Driver 3 between switch position 2 and switch position 3, up high on the posts
*Solder the resister for Driver 5 between switch position 4 and switch position 5, up high on the posts
*Solder the resister for Driver 5 between switch position 4 and switch position 5, up high on the posts
*Solder the resister for Driver 1 onto switch post position 1, sticking up
*Solder Ground wire to switch position 1 post.
*Solder a 2 wires to the other side of of the resister for Driver 1. One wire for 5V in (yellow in pic above), and one wire for RCP Analog input (white in pic above)
*Solder 5V Input wire to last switch position post
*Solder the 10K resister inline with the 5V wire (yellow in pic above)
*Solder Voltage Out wire to the center post, this goes to RCP analog input.
*Solder ground wire to the center post
*Use heat shrink tube to protect the wires
*Use heat shrink tube to protect the wires


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[[image:DriverSelectorSwitchAnotated2.jpg|400px]] [[image:DriverSelectorSwitch3.jpg|400px]]
[[image:DriverSelectorSwitchAnotated2.jpg|400px]] [[image:DriverSelectorSwitch3.jpg|400px]]


Install the switch and wire the ground wire (black in pics above) to ground.  The wire with the 10K resister is the 5V In (yellow in pics above), wire it to 5V Ref.  The other wire connected to the Driver 1 resister (white wire in pics above) goes to an RCP Analog Input.   
Install the switch and wire the ground wire (black in pics above) to ground.  The wire with the 10K resister is the 5V In (yellow in pics above), wire it to 5V Ref.  The other wire connected to the Driver 1 resister (white or red wire in pics above) goes to an RCP Analog Input.   


[[image:RCPInputs.jpg|link=RacecapturePro_MK3_hardware_install#Connections]]
[[image:RCPInputs.jpg|link=RacecapturePro_MK3_hardware_install#Connections]]
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For Mode, select Mapped.  If you have a 2-5 driver switch, use the voltage values in the table above that correspond with the each Driver number.  If you have less than 5 drivers, copy the last driver value to the remaining positions.   
For Mode, select Mapped. 
If you have more than 5 drivers, you will need to input the 1st and last driver values in the the 1st and 5th cells in the race capture mapping table.  You will then pick 3 other driver/voltage pairs from the table above, spreading them out as evenly as possible.   
The first position will always be 0v and the last postiton on the switch will always be 5V.  Take the number of resisters you used and divide that by 5V to get the voltage spread between the positions on the switch.  Use this number to figure out what the voltage value for the positions in the middle should be.  If you have more than 5 mapped values, use the 1st, 2nd, last, 2nd from last and one somewhere in the middle.  If you have less than 5 mappings, just copy the last mapped settings to the rest of the mapped value pairs.   


[[image:RaceCaptureSwitchMappings.png]]
[[image:RaceCaptureSwitchMappings.png]]

Revision as of 22:04, 19 February 2020

DriverID Selector Switch allows you to easily select which driver is driving so that you can quickly and easily see who was driving in the data later by looking at the DriverID channel. Just assign each driver a number, and tell them to turn the switch to their number when they get in.


{{#evu:https://www.youtube.com/watch?v=vGHrShqMUa4}}

Parts Needed:

SelectorSwitch.jpg

1 pole Selector Switch (chose one):


Resister.png

Resistors:

You can use any value resister you want, but they all need to be the same value. Recommend 1k-100K range. You need total number of drivers - 1 resisters. Ie if you have a 6 driver switch, you need 5 resistors (all same value). If you have 4 driver switch, you need 3 resistors, etc.


Wiring

DriverSelectorResisterWiring.jpg

DriverSelectorSwitchAnotated.jpg

  • Solder the resister for Driver 2 between switch position 1 and switch position 2, down low on the posts
  • Solder the resister for Driver 4 between switch position 3 and switch position 4, down low on the posts
  • Solder the resister for Driver 6 between switch position 5 and switch position 6, down low on the posts
  • Solder the resister for Driver 3 between switch position 2 and switch position 3, up high on the posts
  • Solder the resister for Driver 5 between switch position 4 and switch position 5, up high on the posts
  • Solder Ground wire to switch position 1 post.
  • Solder 5V Input wire to last switch position post
  • Solder Voltage Out wire to the center post, this goes to RCP analog input.
  • Use heat shrink tube to protect the wires


DriverSelectorSwitchAnotated2.jpg DriverSelectorSwitch3.jpg

Install the switch and wire the ground wire (black in pics above) to ground. The wire with the 10K resister is the 5V In (yellow in pics above), wire it to 5V Ref. The other wire connected to the Driver 1 resister (white or red wire in pics above) goes to an RCP Analog Input.

RCPInputs.jpg

Race Capture Settings

Edit the Analog input channel that you wired the DriverID Switch to. Click the gear icon and change the name to DriverID, set Precision to 0, Min to 0, and Max to however many positions your switch has. Set the Sample Rate to 1Hz.

RaceCaptireSwitchSettings.png


For Mode, select Mapped. The first position will always be 0v and the last postiton on the switch will always be 5V. Take the number of resisters you used and divide that by 5V to get the voltage spread between the positions on the switch. Use this number to figure out what the voltage value for the positions in the middle should be. If you have more than 5 mapped values, use the 1st, 2nd, last, 2nd from last and one somewhere in the middle. If you have less than 5 mappings, just copy the last mapped settings to the rest of the mapped value pairs.

RaceCaptureSwitchMappings.png

Write the config to Race Capture and test the switch with the dashboard.

If it does not work properly, go back to the settings, change Precision to 2 and change the Mode to Raw. Write the config, and test again. Write down the Voltage for each position on the switch. If any do not match up with what is in the table above, go back and input that value in the Race Capture mapping table in an appropriate cell location. Change the Precision back to 0 and Mode back to Mapped and test again. Rinse and repeat.

See the Calibrating Sensors Guide for more info on how to map sensors properly.

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