pizero_bikecomputer

a GPS and ANT+ bike computer based on Raspberry Pi Zero (W, WH)

detail in Japanese https://qiita.com/hishi/items/46619b271daaa9ad41b3

Disclaimer : Instructions in English have been slightly trimmed and roughly translated from the link above using DeepL.

Table of Contents

• Abstract
• Features
• Parts list
• Assembly
• Installation
• Quick Start
• Usage
• Comparison with other bike computers
  • Overview
• Q&A

...

comming soon!

Abstract

Comparison

• 200km ride with Garmin Edge 830 and Pizero Bikecomputer (strava activity)

Items	Edge830	Pi Zero Bikecomputer
Distance	193.8 km	194.3 km
Work	3,896 kJ	3,929 kJ
Moving time	9:12	9:04
Total Ascent	2,496 m	2,569 m

Hardware list / Part list

• Raspberry Pi Zero W [11€] or WH [14€] ), for setup, see the author's article (jp) "Setting up the Raspberry Pi Zero (W, WH)" etc.
• TFT LCD module with touch screen PiTFT 2.4" recommended [32€], on adafruit, for setup, see the author's article (jp) "Using PiTFT with Raspberry Pi Zero (W, WH)", it is assumed that you are able to view X Window.
• GPS module Akizuki Denshi's modules ~17€ are probably the best way to get started, it uses the MT3339 chip which is supported by GPSd. Setup is described below...add details about more readily available GPS modules
• ANT+ USB dongle ANTUSB-m ~19€, you'll also need a Tiny OTG Adapter - USB Micro to USB ~3€, to plug the dongle onto the Pi Micro USB port.
• I2C sensor(s), this bike computer was initially developped with an Enviro pHAT, but it has been since discontinued...to be developped/clarified
• Pimoroni Button SHIM no stock on Digikey, on adafruit.
• PiJuice. non visible on the pictures
• PiJuice Zero. non visible on the pictures
• Right angle Micro USB cable add link to product
• Powerbank (3000 mAh should last 8 hours with the PiTFT version).
• Screws and nuts (M2.5), used to secure to differents boards together, some 6mm long and some 15-20mm long to be detailled
• SD card, whatever you have on hand (8GB or bigger). If you use it every week, it will die after about a year. The original author is currently using the SanDisk high endurance version of the 32GB and it's been good for a year now.
• Soldering Iron, solder
• Jumper wires and lead wires
• Insulation tape (cellophane tape, etc.)
• Wire cutters.

License

This repository is available under the GNU General Public License v3.0

Author

hishizuka (@pi0bikecomputer at twitter)