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 ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I ...

Engineers and developers looking for a programmable logic controller (PLC) might be worth checking out the new CANADUINO Arduino MEGA 2560 compatible ... and 20 Outputs (8 x relay 250V/5A, 2 ...

The Arduino Team presented some new products at Maker Faire this weekend. It’s a significant update. The Arduino UNO and Arduino Mega 2560 update ... transistor, relay, power MOSFET, push ...

[JonBush] recently did a beautiful build of an Arduino-based fireworks controller ... [Jon] used a mega 2560 because he wanted to do the I/O directly from the device. His code only takes about ...

I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system. The relay can be used ...