An Arduino Uno provides the processing power and drives the serial monitor. A joystick and a Hitachi H48C accelerometer are mounted on a breadboard and wired to the Uno.

A rolling average of five inputs are used to help smooth the display data, which is shown on the 2.8″ LCD screen seen above. Posted in Arduino Hacks Tagged chest strap , heartrate , monitor , polar ...

This Arduino noise detection ... Powered by a combination of ESP32 and Arduino Nano BLE Sense, linked via serial ... The noise detector is fitted with a handy 2.8″ ILI9341 TFT display, ...