STM32 Touch Sensors
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Only some STM32 processors have touch sensor circuitry built in, most noticeable the STM32Lxx series.
Hardware Example
As part of another project I was using an STM32L432 MCU and while doing that design I decided to add 3 touch sensors.
Resources
- Getting started with touch sensing control on STM32 microcontrollers
- Developing applications on STM32Cube with STMTouch touch sensing library
- Tuning a touch sensing application on MCUs
- Design with surface sensors for touch sensing applications on MCUs
- Improve conducted noise robustness for touch sensing applications on MCUs
- Sampling capacitor selection guide for touch sensing applications on MCUs
- ESD considerations for touch sensing applications on MCUs