4.2.3 Touch Button

The PIC32CM JH01 Curiosity Nano+ Touch Evaluation Kit has one QTouch button with a driven shield. The QTouch button is implemented using the built-in Peripheral Touch Controller (PTC) of the MCU.

These PTC I/O lines are accessible through the edge connector and may be repurposed to GPIO. These PTC I/O lines are accessible through the edge connector and may be repurposed to GPIO. For this, users need to desolder the R20 and R40 pins, and then populate the R41 and R42 pins.