Many devices use infrared (IR) as a signalling medium like, for example, RGB LED strip controllers modules and some TV controllers. Often times these signals aren’t meant for secure applications ...

[Hulk] has your back with this simple but effective IR Remote Tester / Decoder ... it can easily drive a visible LED with just a resistor for a current-limit, and a capacitor to make the ...

The thing about LED light therapy masks is that most of them are, frankly, quite similar. I should know since I've tested dozens of the top masks. There are slight differences in headset design, ...