Electric Bobby Car Build
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This is the electric motor upgrade build log of a Bobby Car using two Hoverboard. The end result will have four motors, one per wheel, two Xbox 360 potentiometers as throttle and brake on the stock steering wheel, and two push buttons to turn on and off each controller separately (e.g. FWD, RWD, AWD). Inside the Bobby Car cavity, the controllers, battery, and cabling will reside.
Most of the front wheel steering assembly has been replaced by 3D-printed parts, which are available for download. The rear wheel base has been replaced with an aluminum mounting plate.
The controllers will be flashed to a new firmware developed by Larsmm which is a fork of NiklasFauth original base.
Base preparation
Wheels
Rear wheels
Front wheels
Steering wheel
Power buttons
Motors
Controllers
Battery
Flash firmware
References
- Larsm Allrad e-Bobby Car - great write up and custom firmware fork
- Niklas Fauth Hoverboard firmware hack - original firmware
- CCC GPN18 HowTo: Moving Objects - great talk
- Build Instruction: TranspOtter - Another build, lots of helpful pictures
- Fisch's detailed build guide - great documentation of the assembly
- Fisch's trailer build - trailer for the Bobby Car
- Jan Henrik breakout boards - PCBs for easy connection to serial and Nunchuck
