In this quick Arduino tutorial I will explain how you can control a relay using the Arduino Board, one 1K and one 10K resistors, 1 BC547 transistor, one 6V or 12V relay, one 1N4007 diode and a 12V fan ...

What is a rotary encoder? A rotary encoder (RT) is a device that you can rotate infinitely. On most rotary encoders, when you rotate them you will feel a bump (known as steps), and most RTs have about ...

Ever wanted to build your own tiny remote monitoring camera to keep track of who's sticking their hand in the cookie jar? The Internet of Things camera is an open-source camera build based on an ...

We've all missed the buzzer and forgotten a load of laundry once or twice. While setting an alarm is easy enough, but this Arduino-powered alert system will just send you a text when it's time to grab ...