Arduino has shrunk the UNO R4 with the Arduino Nano R4 board equipped with the same 48 MHz Renesas RA4M1 32-bit Arm Cortex-M4F microcontroller, but offered in a much more compact form factor. It’s ...

Power outages are a huge pain, and can seriously disrupt your life. Stop worrying about what will happen to all the food in your fridge or your pipes in the winter should you lose power, and invest in ...

For home HVAC systems, heat pumps seem to be the way of the future. When compared to electric heating they can be three to four times more efficient, and they don’t directly burn fossil fuels. They ...

Arduino libraries, like libraries for other programming languages, help easily extend the range of functions available to users in the standard integrated development environment (IDE). They are ...

Editor's Note — July 23, 2025: We’ve checked our recommendations to ensure each mower is still available and competitively priced. We also removed and replaced some models with new recommendations ...

The Arduino open-source platform is an excellent way to create your own home and hobby electronics projects from scratch. The logic boards sold under the Arduino brand are receptive to all kinds of ...

Pull requests help you collaborate on code with other people. As pull requests are created, they’ll appear here in a searchable and filterable list. To get started, you should create a pull request.

Leonardo Russo’s ArduinoSimulator is an open-source Arduino Simulator written in JavaScript that runs code directly in your web browser and shows the serial output and digital/analog pins status for ...