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

Introduction:

1. Working principle

This 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 application

2.1 As a keyboard

2.2 As a key switch

2.3 Doorbell button

3. About Button

3.1 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/5V

More info for you to download

Parametes:

Size: 29.4*36mm
VCC: power supply interface, can be connected to 3.3V, 5V
GND: Ground
OUT: Press the button to output low level, release to output high level
NC: No need to connect
Working voltage: 3.3V/5V
Button: active low

Three interface methods: Alligator clip connection, DuPont cable connection, PH2.0 cable connection. Alligator clip, Dupont cable.

Four color optional: red/blue/green/yelllow

Package Included:

1 x button module