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1.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.
Control interface: a total of 3 pins (GND, VCC, SIG), GND is the ground, VCC is the power supply, and SIG is the digital signal output pin;
2.Power indicator: green LED, it lights up when it is right;
3.Touch area: The area inside the icon similar to a fingerprint, which can be triggered by a light touch of a finger
4.Positioning holes: 4 M2 screw positioning holes with a hole diameter of 2.2mm, which are easy to install and locate the modules, and realize the combination between the modules
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
Power Supply Voltage VCC:
Min:2.0V
Typical:3V
Max:5.5V
Outpout high VOH:0.8VCC
Output low VOL:0.3VCC
Output pin sink current)VCC=3V,VOL=0.6V):8ma
Output pin pull-up current(VCC=3V,VOH=2.4V):4ma
Response time(low power mode):220ms
Response time(touch mode):60ms
Size: 2.4x2.4x0.72 cm
Weight: 2g
Package Include:
10 x TTP223B Digital Touch Sensor Switch Module
Grant Fritchey
Reviewed in the United States on July 14, 2024
Lately I've been seeing electronics in such minimal packaging that the wires are sticking out. Not so here. Nicely packaged up in double bags. Touch sensor works great. Lots of example code online. Easy to put it to work.
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