Touch Sensor (Arduino Compatible)

Touch Sensor (Arduino Compatible)

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This Touch Sensor is Capacitive Touch based on touch detection IC (TTP223B). It is Arduino Compatible and has the low power consumption power mode. When it is touched by a finger, the module will output high power and is switched to fast mode. If the sensor is not being used for 12 seconds, it switches to low power mode. The module can be installed in enclosures such as plastic, glass surface and non-metallic materials (in addition to a thin piece of paper (non-metallic) covering the surface of the module, as long as the touch of the correct position). You can even hide it in a wall of a building, desk and other places instead of using a visible button.
 Project  Min  Typical values  Max  Unit
 Power supply voltage VCC  2.0  3  5.5  V
 Output high level VOH  -  0.8VCC  -  V
 Output Low  VOL
 -  -  0.3VCC  V
 Output pin sink current
 (@ VCC = 3V, VOL = 0.6V)
 -  8  -  mA
 Output pin pull-up current
 (@ VCC = 3V, VOH = 2.4V)
 -  -4  -  mA
 Response time (low power mode)  -  220  mS
 Response Time (Fast mode) --   --  60  mS
 Size    24X24X7.2    mm
 Weight    2    g
Control Interface: 
  • A total of three pins (GND, VCC, SIG)
    • GND is ground
    • VCC is the power supply
    • SIG is a digital signal output pin
Power Indicator: 
  • Green LED indicates Power is On
Touch area: 
  • Similar fingerprint icon interior region can be triggered by finger touch.
Positioning holes:
  • 4 x M2 screw positioning holes with a diameter of 2.2mm

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