A bicycle odometer using a WiFi ESP-12 chip, reading speed on the wheel via a reed switch. More at https://fritzenlab.net/bicycle-odometer-with-esp-12/
A bycicle speedometer with ESP8266 and reed sensor
A bicycle odometer using a WiFi ESP-12 chip, reading speed on the wheel via a reed switch. More at https://fritzenlab.net/bicycle-odometer-with-esp-12/
A bycicle speedometer with ESP8266 and reed sensor