EFeru/hoverboard-firmware-hack-FOC
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Page: Variants
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Battery Buying a used hoverboard Compiling and flashing the firmware Debug Serial Diagnostics Dual Inputs Firmware Compatibility Home Hoverboard Wheels How to Unlock MCU Flash Input Calibration Parameters Setup current and speed limits Sideboards Test Troubleshooting Variant ADC Variant BBCAR Variant HOVERBOARD Variant HOVERCAR Variant IBUS Variant NUNCHUK Variant PPM Variant PWM Variant SKATEBOARD Variant TRANSPOTTER Variant USART Variants
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Variants
Tobin Smit edited this page 2023-09-09 16:46:15 +10:00
Table of Contents

Variants are a set of parameters to configure FOC firmware for a specific use.

  • Platformio - Remove the semicolon in front of the desired Variant in platformio.ini file
  • Others - Uncomment the desired Variant by removing the leading // in Variant selection section of config.h file

Example Variants

  • VARIANT_ADC: The motors are controlled by two potentiometers connected to the Left sensor cable (long wired)
  • VARIANT_USART: The motors are controlled via serial protocol (e.g. on USART3 right sensor cable, the short wired cable). The commands can be sent from an Arduino. Check out the hoverserial.ino as an example sketch.
  • VARIANT_NUNCHUK: Wii Nunchuk offers one hand control for throttle, braking and steering. This was one of the first input device used for electric armchairs or bottle crates.
  • VARIANT_PPM: RC remote control with PPM Sum signal.
  • VARIANT_PWM: RC remote control with PWM signal.
  • VARIANT_IBUS: RC remote control with Flysky iBUS protocol.
  • VARIANT_HOVERCAR: The motors are controlled by two pedals brake and throttle. Reverse is engaged by double tapping on the brake pedal at standstill.
  • VARIANT_TRANSPOTTER: This is for transpotter build, which is a hoverboard based transportation system. For more details on how to build it check here and here.
  • VARIANT_SKATEBOARD: This is for skateboard build, controlled using an RC remote with PWM signal connected to the right sensor cable.
  • VARIANT_HOVERBOARD: The mainboard reads the two sideboards data. The sideboards need to be flashed with the hacked version. The balancing controller is not yet implemented.
  • VARIANT_BBCAR: This is for a 4 wheel drive bobby car build.

Of course the firmware can be further customized for other needs or projects.

VARIANTS ADC USART NUNCHUK PPM PWM IBUS HOVERCAR TRANSPOTTER SKATEBOARD HOVERBOARD
CONTROL ADC USART I2C PPM PWM USART ADC ADC PWM USART
DEFAULT
CABLE		 LEFT RIGHT RIGHT RIGHT RIGHT RIGHT LEFT LEFT RIGHT BOTH
CONTROL MODE VOLTAGE VOLTAGE VOLTAGE VOLTAGE VOLTAGE VOLTAGE VOLTAGE VOLTAGE TORQUE VOLTAGE
INPUT
CMD1
CMD2
POT
POT


MID POT
MID POT
MID POT
MID POT
MID POT
MID POT
MID POT
MID POT
POT
POT
POT
MID POT
N/A
MID POT
SIDEBOARD
SIDEBOARD
MIXER
CMD1
CMD2
STEER
SPEED
STEER
SPEED
STEER
SPEED
STEER
SPEED
STEER
SPEED
STEER
SPEED
BRAKE
THROTTLE
DISTANCE
STEER
N/A
THROTTLE/BRAKE
ANGLE LEFT
ANGLE RIGHT
AUTO
CALIBRATION		 YES YES YES YES YES YES YES NO YES NO
CURRENT
MAX SPEED
LIMIT		 YES YES YES YES YES YES YES NO YES NO

For the configuration/customizing of the variants, please check each variant's wiki page.