In this application i have included 2 relays for two different electronic appliances to control via SMS. Relay 1 can be Switch on by sending SMS with "POWERON1" and Switch off by sending SMS with ...

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 ...

I'am using an Arduino Mega with a relay board with 8 relays and I'm trying to control the 8 relays as well as the Arduinos internal LED using MQTT and Home Assistant. The Problem is that only the ...

Electronic, Arduino enthusiasts and makers looking for a project to keep them busy this weekend, may be interested in a cool custom switch created by Dave Darko. That requires users to intermittently ...