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 ...
These days, 433-MHz RF transmitter/receiver modules are very popular with electronics hobbyists and tinkerers. These cheap short-range radio modules can be used with almost all microcontrollers for a ...
The Neewer NL660-2.4 Video Keylight has a handy remote control, which for [Tom Clement] has a major flaw in that it can’t restore the light to the state it had during its last power-on. He’s thus ...