TTP223B Touch Sensing Module (HCSENS0022)
TTP223B Touch Sensing Module (HCSENS0022)
This module is based on a touch-sensing IC (TTP223B) capacitive touch switch module. In its normal state, the module output is low and has a low power consumption; When touched the modules output turns high and if not touched for 12 seconds switches back to low-power mode.
Features
Low power consumption
Power supply of 2 ~ 5.5V DC
Four M2 screw holes for easy installation
Specification
Control Interface : A total of three pins (GND, VCC, SIG), GND to ground , VCC is power, SIG is the digital signal output pin
Power Indicator : Green LED
Positioning holes : 4 M2 screw positioning holes with a diameter of 2.2mm
Schematic
TTP223 Datasheet
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