Raspberry Pi 4 Model B: External Power Button With USB Fan

How I Got Here

I recently built a Printer-box enclosure for my Prusa i3 MK3S. My mantra is go big or go home, so I went for the whole package with low-voltage LED’s, exhaust fan, 4Gb Raspberry Pi 4B, Logitech C920 camera and modular control panel. My electronics skills are weak at best, so I followed a combination of the printer-box wiring diagrams and Colin Hill’s awesome videos.Continue reading