News
will bang on and the LCD display will blink “TIMER ALERT!”. An optional RELAY driver output is available at pin 4 of the Arduino board. If you wish to add an electromagnetic relay to switch off/switch ...
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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback