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.

Posted in Arduino Hacks, Games, Retrocomputing, Toy Hacks Tagged arduino, Arduino Uno, bust-a-move, lua, mame, puzzle bobble, puzzlebobble, retro gaming ...

PH4502C Sensor Arduino Library This Arduino library provides a convenient and easy-to-use interface for the PH4502C sensor, allowing you to effortlessly integrate it into your Arduino projects. The ...

For Arduino IDE, download zip file from the repository (Github page) by select Code dropdown at the top of repository, select Download ZIP From Arduino IDE, select menu Sketch -> Include Library -> ...

One of the parameter requirements for drinking water quality is pH and TDS (Total Dissolved Solid) of water. A good pH value with a value of 6.5-8.5 and a TDS ( ...