3Pcs CJMCU-0401 4-bit Button Capacitive Touch Proximity Sensor With Self-locking Function Module

Description CJMCU 0401 is a touch IC designed with capacitive sensing principle Its stable sensing method can be applied to a variety of electronic products the panel dielectric can be completely insulated material designed to replace the traditional mechanical structure switch or ordinary buttons Provides four touch inputs and four direct output pins and four LED indicators Features 1 Operating voltage 2 0V 5 5V2 The highest power consumption is 11 5uA low power mode is only 4uA in 3V and no load 3 External configuration pin is set to multiple modes4 High reliability the chip built in debounce circuit which can effectively prevent external noise interference caused by the malfunction5 Can be used for glass ceramics plastics and other media surface6 With automatic calibration function when no keys are touched the system recalibration cycle is about 4 0 SecPackage included 3 x Sensor