Learn how to submit your Arduino-based project. It may even get featured on the Arduino social channels!

This is a simple tutorial to create an EMF detector using an ATtiny85 microcontroller.

If you want use two Arduino, you can use a simple I/O port to communicate. The point of question is the Ground.

With an Arduino, a PC fan, and an LED strip, you can make a simple fume extractor that will keep you safe from the fumes from soldering.

This project can help you measure the speed, distance and angle of the robot.