Micro:bit Independent Button Module Touch Switch Button Support 3 Connection Methods

Introduction 1 Working principleThis button module belongs to a self reset type button When the button is pressed the triggering that is OUT and GND are connected when the button is released OUT is in a floating state When we set the OUT pin to the pull up input use the multimeter to test the OUT pin it is high When the button is pressed the OUT pin become LOW when the button is released the OUT pin become HIGH 2 Practical application2 1 As a keyboard2 2 As a key switch2 3 Doorbell button3 About Button3 1 Button module possess 4 Alligator clip port Corresponding to GND VCC NC and OUT The OUT pin is the signal output pin of the button module 3 2 4 pin female socket 3 3 PH2 0 cable interface When the button is pressed the OUT pin become LOW when the button is released the OUT pin become HIGH Working Voltage 3 3V 5VMore info for you to downloadParametes Size 29 4 36mmVCC power supply interface can be connected to 3 3V 5VGND GroundOUT Press the button to output low level release to output high levelNC No need to connectWorking voltage 3 3V 5VButton active lowThree interface methods Alligator clip connection DuPont cable connection PH2 0 cable connection Alligator clip Dupont cable Four color optional red blue green yelllowPackage Included 1 x button module