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TTP223B Digital Touch Sensor Capacitive Touch Switch Module Raspberry Pi Arduino

£2.80
TTP223B Digital Touch Sensor Capacitive Touch Switch Module Raspberry Pi Arduino

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:
Power supply voltage VCC: 2V Min, 3V Typical, 5.5V Max
Output high VOH: Typical 0.8VCC
Output low VOL : 0.3VCC Max
Output Pin Sink Current (@ VCC = 3V, VOL = 0.6V): 8mA Typical
Output pin pull-up current (@ VCC = 3V, VOH = 2.4V): 4mA Typical
Response time (low power mode): 220mS Max
Response time (touch mode): 60mS Max
Size: 24 x 24 x 7.2 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 ;

Package Content:
1 x Touch Sensor 

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Product ID: EP082