He decided instead to use an Arduino to monitor the 3.3V power rail on the Pi. When the Pi is shut down in software, the Arduino can sense that the Pi isn’t on any more and disconnect the power.

Goals: Using a Raspberry Pi and an IR LED, send IR codes to control audio/video equipment. Control the Raspberry Pi via voice commands through Google Home. There are a number of projects like this ...

The new, fancy official Raspberry Pi Zero enclosure is perfect for this build, allowing a little IR-transparent piece of epoxy poking out of a hole designed for the Pi camera.

This is meant to run on a Raspberry Pi with GPIO. I use a 4B but it'll probably work on any Pi. This can record the 38 KHz IR timing of a standard remote control. After recording the timing of a ...

The new Raspberry Pi power switch is completely customisable and packable to meet almost any requirements you may need and includes a onboard MCU (Attiny85) that provides the flexibility to ...

The Raspberry Pi Foundation has designed a infrared camera module and RS Components is selling it for £16.80. Dubbed the Pi NoIR, the infrared camera module is a variant of the existing visible light ...

The focus is adjustable between 12.5 mm and 22.4 mm. The High Quality Camera has an integrated IR cut filter and a 200 mm long ribbon cable to connect to the Raspberry Pi developer board.