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TTP226 – 8 Digital Capacitive Touch Keypad Module 4×2



TTP226 8-Channel Capacitive Touch Switch Sensing Module uses the touch-sensing IC TTP226 to sense the touch input thus making it easy to add capacitive touch input to your project. The touching detection IC is designed for replacing traditional direct button key with diverse pad size. The module has 8 touch pads. Power the module with 2.4 ~ 5.5V DC and the touch pad is all active to sense the input.

Eight Channel Capacitive Touch Sensor Module is easy to interface. It can be used along with a microcontroller or an arduino or even without one. 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.

Thus, the 8 Channel Capacitive Touch Sensor Module can be hidden in wall or other places, a perfect alternative to get rid of the conventional push-button troubles. A total of 8 pads are available on this module. The sense-pads can also be extended with a wire or almost any conductive material.


  • Low power consumption
  • Can replace the traditional touch of a button
  • Fixture screw-holes for easy positioning & installation
  • Onboard 8-level status indicator


Operating Voltage Range 2.4 ~ 5.5V DC
Typical high Voh 0.8VCC
Typical Vol 0.3VCC
Output Sink Current 8mA
Output Pin Pull-up Current 4mA
Response Time (Low Power Mode) 220ms
Response Time 60mS
Length (mm) 46
Width (mm) 47
Height (mm) 11
Weight (gm) 6

Package Includes:

  • 1 x TTP226 8-way touch module Capacitive touch switch digital touch sensor

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