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AVR1908: QTouch Xplained Hardware User's 

Guide 

• 

Xplain compatible top module for Atmel® capacitive touch - QTouch® 

Two buttons 

One slider 

One wheel 

• 

Requires download of  

Atmel QTouch library software 

AVR QTouch® Studio for visualization of data (debug frontend) 

FLIP (Flexible In-system Programmer) 

1 Introduction 

QTouch Xplained is an easy to use low-cost evaluation kit, which demonstrates 
QTouch and the QTouch Library features. The QTouch Xplained utilizes the Xplain 
to do this. 

The kit demonstrates how a QTouch solution requires only a very simple circuit 
design and a minimum of external components. It includes support for eight 
QTouch channels: a slider (3 channels), a wheel (3 channels) and two keys (1 
channel each).  

Figure 1-1.

 QTouch Xplained Evaluation board

 

 

 

 

8-bit  

 

Microcontrollers 

 

Application Note 
 
 
 

Rev. 8275A-AVR-04/10 

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