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Add touch and proximity sensing to your Raspberry Pi with the Pi Cap.
The Pi Cap is an easy-to-attach to add-on board that brings capacitive sensing to your Raspberry Pi projects. It features 12 capacitive electrodes that can be used as touch or distance sensors. Extend each of these electrodes with Electric Paint or other conductive materials to create sensors on a wide range of substrates.
In addition to 12 capacitive sensors, the Pi Cap has a 3.5mm audio jack, multi-function button, user-programmable RBG LED and a prototyping area with GPIO breakout. It comes with example code and libraries written in C++, Python and Node.js.
The Pi Cap is compatible with any Raspberry Pi that has a 40 pin GPIO connector, including the latest Raspberry Pi 4 and Pi Zero W.