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.

Earlier we showed you how to measure sound in dB using Arduino, in this tutorial let's learn how to find the direction of sound using Arduino and a few microphones. Above, you can see a short ...

IoT-based data logger for weather monitoring using arduino-based wireless sensor networks with remote graphical application and alerts ...

You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs ...

This is a simple project where the Arduino turns on when you press a button or make a sound, does its job for 10 seconds, then shuts itself off completely to save battery. - s2leh/Power-latching-ci ...