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 ...

Build Your Own DIY Arduino Temperature Controlled Relay Circuit With This Step-By-Step Tutorial From ElectroSchematics. Visit Today To Learn More.

Tronixstuff has a borderline insane tutorial series going, and as of now, 27 chapters have been published. It's essentially the Arduino Bible, but the two most recent additions in particular have ...