[fahadshihab], a young tinkerer, shared his circuit design for a simple remote control ... circuits in order to synchronize them. It would be easy enough to interface this with an oscillator, an ...

The humble yet ubiquitous infrared remote-control receiver can benefit from an enhanced front-end preamplifier.

Infra-red (IR ... that play the remote’s codes. Simply playing these back out of the Raspberry Pi’s audio out and into the switch’s IR input through a tiny transistor circuit does the ...