So we knew we’d need a button, some sound files, a little bit of Python code, and, of course, a Raspberry Pi. A new Pi is $35, but we found an old Raspberry Pi 2 in my desk drawer, which was up ...

As a simple but rather useful example of what DTOs on Raspberry Pi SBCs can accomplish, let’s take a look at how to implement a soft power on and off button ... shell- and python-scripts within ...