We can’t hook up a USB keyboard to every microcontroller ... The project’s page goes into a great amount of detail on how capacitive touch sensors like these work in general, and describes ...

Hooking up I2C sensors is something which is generally associated with microcontrollers and SBCs ... how to wire up a physical adapter to add a USB-connected I2C interface to a system.

The Raspberry Pi Pico is a very handy microcontroller with plenty of GPIO ... turns all 26 pins on the Pico into an individual touch sensor. According to Fox, the idea began when he first realized ...