Atmel AT42QT2100 Capacitive Touch Controller
Capacitive touch controller with 10 configurable QTouch® channels, supporting up to seven buttons, and either one slider or one wheel.
Hello World
Import programQT2100_Example
Simple Hello World example demonstrating the QT2100 library. The example initializes, configures, and acquires touch sensor data from a AT42QT2100 device. Output is displayed to a serial terminal for demonstration purposes--data can be used to control a system.
Library
Import libraryQT2100
Library for initializing, configuring, and acquiring data from the Atmel QT2100 device. The QT2100 is a capacitive touch controller with 10 configurable QTouch® channels, supporting up to seven buttons, and either one slider or one wheel.
Pinout
![](/media/components/pinouts/QT2100_SCH.png)
Datasheet
http://www.atmel.com/images/at42qt2100_e_level0%2013ww04.pdfNotes