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 ...

Arduino Controlled Dahlander Motor Switch. 15 Comments . by: Eric Evenchick. April 2, 2014. Title: ... This consists of three relays that select the wiring configuration for each speed mode.

Posted in Arduino Hacks, Science Tagged hx711, load cell, nichrome wire, Rocket Motor, solid rocket, test stand Post navigation ← Scott Swaaley On High Voltage ...

A teacher I know is stuck, with only npn transistors in the supply cupboard and the need to create a reversible motor drive for an Arduino project. Reversing ‘bridges’ have four switches (relay ...