This is the case for the Arduino microcontroller that detects signals from the PIR motion detectors. When it senses motion at any of 5 possible detectors, it sends a network packet to a Raspberry Pi that will respond to the actual motion.
I really need a 3D printer. It took 3 afternoons to make this plexiglass case and it is not up to my OCD standards.
Big Dan the Blogging Man 