There are some resources explaining how to leverage the jack audio port from the Raspberry Pi 2, 3 and 3B+ to make a neat and nice power on/off button. However this doesn't work for the Raspberry Pi 4B.

This post explains the general concept behind it, why it doesn't …

One of my contacts broke his external hard drive by letting it falling on the floor while it was still connected to the laptop. So that hdd was doing the famous clic-clic-clic sound which can have several meaning depending on the situation. In our case, it is probably a physical …

In order to compile the g729 codec for a Raspberry Pi B+ (ARM processor), the fastest way is to build it with the bcg729. The bcg729 is a software encoder for g729a and decoder library written from scratch.

The resulting codec will be x2 slower than if it has been …