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.

The infrared remote control might not hold the seat of honor in the average home theater setup that it once enjoyed, but it’s not quite out to pasture yet. After all, what are you going to use ...

For more information on the new Arduino infrared learning processor board set jump over to the Kickstarter website for details and to make a pledge to help the kit become a reality. Watch this ...

An Infrared (IR) blaster digitizes the signals of your infrared remotes so that you can use your voice or smart home app to control all of your devices from one place. You can use this gadget to ...