Description
A module made by SparkFun with a capacitive touch button based on AT42QT1010 system. It is powered with the voltage in the range from 1.8 V to 5 V. It has a digital output signal which is in the high status when the touch is detected. After 60 seconds of the pressure, it will automatically goes into a low status.
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The product is compatible with Arduino The manufacturer offers auser guide, and on GitHub, you can findsample code for Arduino. |
Pins
The board has holes for self-soldering of the four connectors of the goldpin type, pitch of 2.54 mm- strap is not included, it can be purchased separately.
| Pin | Description |
|---|---|
| GND | The ground of the system. |
| OUT | Output signal - high status when the button is touched, otherwise - low status. |
| VDD | Supply voltage from 1.8 V to 5 V. |
| LED | Pins to control the built-in LED. By default, it is connected with the OUT signal. After crossing the LED Enable jumper, you can control the LED independently. |
| PAD | Additional connector for connecting the external electrode of the touch button. |
Useful links |
