Arduino Bike Computer (speedometer + odometer)
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This is the case for an Arduino speedometer I made with random stuff I had laying around.
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- Electronics
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- Creative Commons — Attribution
This is the case for an Arduino speedometer I made with random stuff I had laying around during quarantine last year. It assumes the tire size is a standard road bike tire on a standard road bike wheel. The code can be edited to specify a different size. Readme and build instructions can be found here
I used it on a stationary exercise bike to calculate:
- Current MPH
- Average MPH
- Elapsed time
- Elapsed distance
This allowed me to have quantifiable data to train against.
Parts
- Arduino Nano
- Nextion NX3224T024
- A3144 Hall Effect Sensor
- Dupont Wires
- 4 pole 3.5mm extnesion
- Resistors
- Bike Spoke Magnet
In the spirit of how I made this, I'd encourage using whatever you can instead of ordering parts. The above list is pretty much everything you need to make this. Wire can be had from an old wall charger. The sensor cable can be made with an old headset cable and a 4 pole jack from a random device. Magnet can be found in an old hard drive or something.
Category: Electronics