Touch Button module TTP223B

This module can be used to turn something ON or OFF by touching the touch area on the module.

Power:2.5-5.5V
 

• 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

• 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 ;