TTP224 4 channel Capacitive touch sensor Module


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  • Simple to Use, Auto Calibration
  • Output Status Indicator LED
  • Output can configured be Active High or Low
  • Output Mode can be configured to Toggle or Momentary
  • Easy to replace mechanical key outputs
  • Output can be directly connected to Microcontroller’s Input pins

4 Channel Capacitive Touch Module uses the touch-sensing IC TTP224 to sense the touch input. The module has 4 touch pads. Power the module with 2.4 ~ 5.5V DC and the touch pad is all active to sense the input.Four Channel Capacitive Touch Module is easy to interface. It can be used along with a microcontroller or an arduino or even without one. When a capacitive load 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.

Technical Specifications

Weight 10 g
Dimensions 35 × 29 mm
Main Chip TTP224
Operating Voltage 2.4V-5.5V
Startup Calibration Delay 0.5 Sec


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