Recently, [Edward Schmitz] wrote in to let us know about his Hackaday.io project: SigCore UC: An Open-Source Universal I/O ...

This new carrier board adds the ability to connect, monitor, control, and automate the large number of existing devices that were previously beyond the Pi’s built-in 3.3 VDC GPIO sensing and control ...

Your "What is an FPC connector" article link seems to raise more questions than it answers - it's just telling me how to physically attach something to it, with no indication of what it's actually ...