Browse 500+ Arduino projects with code and circuit diagrams. From beginner tutorials to advanced Arduino project ideas - all with downloadable code and step-by-step guides.

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.

A reimplementation of the standard Arduino LCD library, configured to work with parallel HD44780 compatible LCDs, and interfaced via a Chinese PCF8574 I2C serial extender.

Real-time environmental monitoring is increasingly important in agriculture, industrial automation, smart homes, and healthcare. The real-time data monitoring ...