The new hotness for DIY electronics is mechanical keyboards, and over the past few years we’ve seen some amazing innovations. This one is something different. It adds an analog sensor to nearly any ...

[Viacheslav] built a keypad that uses human capacitance to detect key presses. Unlike normal keys which close a physical connection, his project detects touch through the PCB substrate. He uses the ...

The project is based on the QProx QT160 charge transfer proximity sensor chip which aims to develop a simple 6-button keypad. All the work is done by the chip which functions as the brain of the ...