[chiprobot] is looking to change that with a home-brew, low-cost bike power meter. The project still ... mounted UI via WiFi with a pair of ESP8266 modules. We like the idea of a bicycle area ...

With the clever use of commonly available parts, he was able to reduce power consumption ... throughout the day, the ESP8266 polls the ATtiny13 to pull the stored sensor pulses and voltage ...

Basically, is an early prototype of a low-cost affordable fitness power meter for cyclists (using "an ESP8266 WiFi module, 4 strain gauges in Wheatsone arrangement measured by HX711… ...