Tracking power output for competitive cyclists can be key to identifying areas in need of improvement, but it has traditionally meant installing expensive power meters in crank arms on each bike ...

I choose the ESP8266 as the power meter strain gauges and amplifier are mounted on the crank-arm/pedal of the bike , as you cant use wires to do this it has to Transmitted by some form of RF.

A power meter is a device fitted to a bike that measures the power output of the rider. Most commonly, power meters use strain gauges that deflect slightly when a force is applied.

Focusing on power calibration to deliver quality results at a reasonable cost Yokogawa Meters & Instruments Corporation announces that it has developed the LS3300, an AC power calibrator that can ...