Project bike
- automatic/electric shifting
- power assist pedaling/regen braking
- custom hydraulic brakes
- pneumatic shocks
- https://create.arduino.cc/projecthub/alan_dewindt/bicycle-odometer-and-speedometer-with-99-lap-period-recorder-331d2b?ref=tag&ref_id=speedometer&offset=0
- https://create.arduino.cc/projecthub/139683/arduino-lcd-display-as-a-bicycle-speedometer-6a6568?ref=tag&ref_id=speedometer&offset=2
- https://maker.pro/arduino/tutorial/how-to-use-a-hall-effect-sensor-with-arduino#:~:text=The%20Arduino%20Hall%20effect%20sensor%20code%20can%20be%20used%20to,voltage%20to%20its%20Vout%20pin.