Variant HOVERCAR
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Hoverboard
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Spare Mainboard Kit: https://s.click.aliexpress.com/e/_dUoKbLT
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Kettler Kettcar Daytona Air: https://bit.ly/2JKZMdp
Other models from here can also fit: https://intl.toys.kettler.net/en/produkte/katalog/n/0/kettcar-1/0/0.html -
ST Link V2 Programmer: https://www.banggood.com/custlink/3KKmMaNnvR
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2 x Pedals: https://www.banggood.com/custlink/mmG32e8i46
https://www.banggood.com/custlink/DKK326ISBM
or
https://bit.ly/34iTZoL
https://www.banggood.com/custlink/vGGmMa4kjb
https://www.banggood.com/custlink/mKDDka4kjf -
Front LEDs: https://www.banggood.com/custlink/G3mKMo0qBd
https://www.banggood.com/custlink/3KKmqa0qec -
Other possible front LEDs: https://www.banggood.com/custlink/KmKGzoB2BP
https://www.banggood.com/custlink/KKKGzOezBi -
Connectors: https://www.banggood.com/custlink/vDKDqLe2gU
https://www.banggood.com/custlink/Dvm32agzB7 -
M5 Bolts and Nuts: https://www.banggood.com/custlink/Kvvm2AIwdp
https://www.banggood.com/custlink/mDvmza4fPF -
Plywood: can be found in the local hardware stores.
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DC-DC converter LM2596HV: https://s.click.aliexpress.com/e/_ATlz43
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Servo min. 25kg: https://www.banggood.com/custlink/vvDdP7tGZ2
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RC transmitter
Flysky i6S: https://www.banggood.com/custlink/3KvdPnfDPc
Flysky i6X: https://www.banggood.com/custlink/KmDy5swKPD -
RC receiver:
Flysky FS-iA6B: https://www.banggood.com/custlink/KD3RFswKcT
- 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
The default control mode is VOLTAGE mode, for freewheeling, change it in config.h to TORQUE MODE (TRQ_MODE)
Proceed with calibration for better control.
With this variant, the auto-calibration is expecting 2 normal pots, and will reject the calibration if an input is missing or is of incorrect type (e.g. mid-resting pot).
You can change the type of input1(brake) to 0 to disable it if you have a mechanical brake and don't need this input. But you won't be able to use it to reverse anymore.
| Feature | Mode | How to use it |
|---|---|---|
| Reverse | All | Double-pressing brake at standstill will activate reverse |
| Switch Control Mode | All | Pressing the left optical sensor on the sideboard will switch the control mode (Voltage, Speed, Torque) |
| Field Weakening | All | Pressing the right optical sensor on the sideboard turns Field Weakening ON/OFF |
| Cruise Control | All | If CRUISE_CONTROL_SUPPORT parameter is enabled, pressing the right optical sensor on the sideboard will turn Cruise Control ON/OFF instead of field weakening If you are not using the sideboard, and SUPPORT_BUTTONS and SUPPORT_BUTTONS_LEFT parameters are enabled, pressing a button connected between GND and blue wire on the left sensor board cable will turn Cruise Control ON/OFF When turning Cruise Control ON, firmware will hold current measured speed. Using Cruise Control at at standstill(0 speed) will lock the wheels.Braking will disable Cruise Control |
| Standstill hold | VOLTAGE TORQUE |
If STANDSTILL_HOLD_ENABLE parameter is enabled, motors will hold the position when standtill is reached |
| Electric Brake | TORQUE | If ELECTRIC_BRAKE_ENABLE parameter is enabled, it will replace "freewheel" with a constant braking when the input torque(throttle) request is 0 Parameter ELECTRIC_BRAKE_MAX can be used to set the Maximum electric brake to be applied when input torque request is 0 (pedal fully released) Parameter ELECTRIC_BRAKE_THRES is the threshold below at which the electric brake starts engaging |
- The wheels oscillate when braking: this is normal behavior when there is no load, it won't happen with the wheels on the ground.
- If when pressing the brake wheels accelerate, your board probably as a different mapping for hall sensors, firmware measures a speed with opposite sign
- If wheels are not spinning or you get 2 beeps, make sure you have done proper calibration.
