CJMCU-0401 4-bit Button Capacitive Touch Proximity Sensor
|+25 4 % $2.98|
|+100 6 % $2.91|
|+300 8 % $2.85|
|+500 10 % $2.79|
|+1000 12 % $2.73|
Interfacing 4-bit Button Capacitive Touch Sensor with Arduino
CJMCU_0401 is a touch IC designed with capacitive sensing principle . Its stable sensing method can be applied to various electronic products. The panel medium can be completely insulated material, which is designed to replace the traditional mechanical structure switch or ordinary button. And design. Provided . 4 touch input and . 4 direct and output pins . 4 th LED indicators.
1 , the working voltage: 2.0V ~ 5.5V
2 , the maximum power consumption 11.5uA , low power mode only 4uA ( refer at 3V with no load )
3 , external configuration pin is set to a variety of modes
4 , high reliability, built-in de-jitter circuit chip, which can effectively prevent external noise caused by malfunction
5 , the surface of the medium can be used for glass, ceramics, plastics, etc.
6 , automatic calibration function, when no button is touched, the system re-calibration cycle is about 4.0 Sec
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