Teclado touch Sensor de toque capacitivo TTP223 para Arduino e PIC

R$8,50

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Teclado touch Sensor de toque capacitivo TTP223 para Arduino e PIC 
Teclado touch Sensor de toque capacitivo TTP223 para Arduino e PIC 

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Teclado touch Sensor de toque capacitivo TTP223 para Arduino e PIC


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  • The module is based on a touch-sensing IC  (TTP223B) capacitive touch switch module. In the normal state, the module output  low, low power consumption; When a finger touches the corresponding position,  the module output high, if not touched for 12 seconds, switch to low-power mode.
  • Jog type : the initial state is low , high  touch , do not touch is low ( similar touch of a button feature )
  • Module can be installed in such as surface  plastic, glass of non-metallic materials
  • In addition to the thin paper ( non-metallic )  covering the surface of the module , as long as the correct location of the  touch , you can make hidden in the walls, desktops and other parts of buttons

    Features:
  • Low power consumption
  • Power supply for 2 ~ 5.5V DC
  • Can replace the traditional touch of a button
  • Four M2 screws positioning holes for easy  installation

    Specification:

    Item

    Min

    Typical

    Max

    Unit

    Power supply voltage VCC

    2.0

    3

    5.5

    V

    Output high 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 (touch mode)

    -

    -

    60

    mS

    Size

    24x24x7.2

    mm

    Touch Sensor Interface :(the last picture show)

    -Control Interface : A total of three pins (GND,  VCC, SIG), GND to ground , VCC is the power supply , SIG digital signal output  pin ;

    -Power Indicator : Green LED, power on the right that is shiny ;

    -Touch area : Similar to a fingerprint icon inside the area , you can touch the  trigger finger .

    -Positioning holes : 4 M2 screws positioning hole diameter is 2.2mm, the  positioning of the module is easy to install , to achieve inter- module  combination ;

 



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