ttp224 4-way capacitive touch switch


3 in stock


This capacitive touch sensor module uses the TTP224 integrated circuit, making it easy to add capacitive touch input to your project. It features 4 sensitive touch pads that make an ideal replacement for the old fashioned switches.


3 in stock

  • This Capacitive Touch Module uses the touch-sensing IC TTP224 to add capacitive touch to your project. Just power with 2.4 to 5.5VDC and touch the pad to activate the sensor. These touch switches interface easily to any project – with or without a microcontroller.

    When a capacitive load (such as a human hand) is in close proximity to the sense-pad, the sensor detects the change in capacitance and activates the switch. Custom sense-pads can be made from nearly any conductive material and these sensors can detect touch through thin layers of non-conductive materials such as glass, plastic, fabric or even wood. So, you can make this sensor hidden in the wall, tabletop and other places, which allows you to remove the conventional push-buttons troubles.

    There are totally 4 pads on this module, these sense-pads can be extended with wire and almost any conductive material, so that you can add 4 touch switches easily for your project. 


    • Onboard TTP224 capacitive touch sensor IC 4 keys 
    • board-level status indicators 
    • Working voltage: 2.4V-5.5V 
    • The module can set the output mode, the key output mode, the maximum output time and fast / low power selection 
    • PCB board size: 35 (mm) x29 (mm) 


SKU: A2123 Category:

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