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Evaluation Kit for AT42QT1010
The Atmel SingleTouch controllers implement a single capacitive-touch button. They can be used to replace a traditional mechanical switch in many types of interface designs.
Evaluation kit and demonstration board for the Atmel AT42QT1010 controller
One-Channel Touch Sensor IC with 'Max On'
'Max On' setting allows the key to re-calibrate and detect subsequent touches when faced with an obstruction for a prolonged period of time
The sensor projects a touch or proximity field to several centimeters through any dielectric including glass, plastic, stone, ceramic, and even most kinds of wood
It can turn small metal-bearing objects into intrinsic sensors, making them responsive to proximity or touch
It is designed specifically for human interfaces and includes all hardware and signal processing functions necessary to provide stable sensing under a wide variety of changing conditions
Only a single low-cost capacitor is required for operation