davedarko| Quantity | Component name | |
| 1 | × | Arduino Pro Micro 5V usb hid needs a atmega32u4 board though |
| 1 | × | OLED IIC/I2C Display (3-5V) http://www.ebay.de/itm/400736083040 |
| 1 | × | A3144 Hall Effect Sensor (4.5V) http://www.ebay.de/itm/130702520481 |
| 1 | × | 5V USB power supply |
Open Bicycle Computer
Arduino based bicycle computer using open hardware and software logging data on SD card and JS web interface using USBOTG and USBHID