Over on his YouTube channel [Electronic Wizard] has released a video that explains how infrared (IR) remote controllers work: IR Remote Controllers protocol: 101 to advanced. This video covers the NEC ...

This burglar alarm system circuit is using a infrared proximity detector that triggers an alarm when the rays falling on its sensor are interrupted. It is different from others burglar alarm systems ...

Here's a few details on the Infrared Remote Control Extender unit I designed and built to control my NAD T752 A/V receiver. The NAD T752 has an IR input socket on the back of it for system installs ...

This circuit is designed to switch on/off any home or industrial appliance by using the TV/DVD remote controller. The circuit can be operated up to a distance of 5-10 metre depending on the remote ...

Specified for 3V operation, the TSOP34838SS1A infrared (IR) receiver module is capable of operating on voltages down to 2.4V at a distance of up to 35m. The device integrates both a photo detector and ...

Melding together a photodetector and preamplifier in a single package, the TSOP7000 IR receiver features a 455-kHz carrier frequency and is optimized for use in multimedia end-products. The module can ...

This device is a prank or gag that [Eric Heisler] came up with. It will intercept IR remote control codes and play them back after a bit of a delay. The example he shows in the video (embedded after ...