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Updated Variant ADC (markdown)

Candas1
2022-01-02 11:45:14 +01:00
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Variant-ADC.md

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This variant can be used with potentiometers or hall sensors. This variant can be used with analog inputs like potentiometers, joysticks or throttle/brake handles, even if using hall sensors.
## Configuration/Parameters
* ADC_ALTERNATE_CONNECT : to swap the inputs, in case you cannot do it physically
* ADC_PROTECT_THRESH : to adjust the threshold below/above the MIN/MAX ADC values that will trigger ADC protection
* ADC_PROTECT_TIMEOUT : number of wrong / missing input commands before safety state is taken
## Wiring: ## Wiring:
* Connect blue wire (ADC1) to steering and green wire (ADC2) to speed on left sensor board cable * Connect blue wire (ADC1) to steering and green wire (ADC2) to speed on left sensor board cable
* If you don’t need steering, set input1_type to 0 in order to disable the input or go through the auto-calibration procedure * If you don’t need steering, set input1_type to 0 in order to disable the input or go through the auto-calibration procedure
* 100k Pull down resistors connected to ground are recommended to prevent issues when inputs are floating (wire is cut or disconnected) * 100k Pull down resistors connected to ground are recommended to prevent issues when inputs are floating (wire is cut or disconnected) triggering ADC protection
⚠ Red wire from sensor cable delivers 15v !!! ⚠ Red wire from sensor cable delivers 15v !!!
Use 3.3v from programming port or a voltage regulator. Use 3.3v from programming port or a voltage regulator.
## Calibration: ## Calibration:
Proceed with [calibration](https://github.com/EmanuelFeru/hoverboard-firmware-hack-FOC/wiki/Input-Calibration) for better control. Proceed with [calibration](https://github.com/EmanuelFeru/hoverboard-firmware-hack-FOC/wiki/Input-Calibration) for better control and proper ADC protection.
## Troubleshooting: ## Troubleshooting:
If wheels are not spinning or the board is [beeping](https://github.com/EmanuelFeru/hoverboard-firmware-hack-FOC/wiki/Diagnostics)), make sure you have done proper calibration. If wheels are not spinning or the board is [beeping](https://github.com/EmanuelFeru/hoverboard-firmware-hack-FOC/wiki/Diagnostics), make sure you have done proper calibration.