Xadow-Q Touch Sensor
The Q Touch Sensor is a high sensitivity and high noise immunity touch input device.It is based on Atmel AT42QT1070. The AT42QT1070 modulates its bursts in a spread-spectrum fashion in order to heavily suppress the effects of external noise, and to suppress RF emissions. The QT1070 uses a dual-pulse method of acquisition. This provides greater noise immunity and eliminates the need for external sampling capacitors, allowing touch sensing using a single pin.
Note: This module is not compatible with any other Xadow version 2 or RePhone modules.
- Operating Voltage: 3 ~ 5.5V
- Operating Current @3.3V: 1mA
- Touch Keys: 7 Keys ; key0 ,key1 ,key2 are on the Xadow PCB bottom side
- Communicating Protocol: I2C
- I2C Address: 0x1B
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