Thus, they entered a heart rate sensor to our 2025 One Hertz Challenge! The build is based around a Wemos D1 mini, a ESP8266 development board.

Finger Bend is a unique DIY Arduino powered textile flex sensor, created as part of the Swatch Exchange, enabling you to trigger actions by simply bending your finger. Created by the team at ...

The Arduino MKR ENV (Environmental) Shield measures 61mm x 25mm and an input voltage of 3.3V. It is used to allow an MKR board to gather and store environmental information from pressure, temperature, ...