

The special circuitry gives a signal to the digital output pin that you can hear. Before you start, prepare the following components:īasically, the rain sensor is a simple PCB board that opens traces when raindrops close the circuit. It’s one of the easiest Arduino projects you can find. The Knight Rider is simply several LED lights blinking one after another. Arduino Projects For Beginners #13: Arduino Stopwatch Project.Arduino Projects For Beginners #12: Clap ON Clap OFF Light.Arduino Projects For Beginners #11: Arduino 7 Segment Display.

Arduino Projects For Beginners #10: Arduino Relay Project.Arduino Projects For Beginners #9: The Stepper Motor.

