KY-004 - Joy-IT

KY-004 Button-module

.............. 1 3 Pinout ............. 2 4 Code example Arduino ...........

Features

7 Copyright by Joy-IT - Published under CC BY-NC-SA 3.0 Page 22 of 214 KY-004 Button-module Pinout Code example Arduino This example will light up a LED after the button is pressed. The module KY-011, KY-016 or KY-029 can be used as a LED. int Led = 13 ;// Declaration of the LED-output pin int Sensor = 10; // Declaration of the sensor input pin int val; // Temporary variable void setup () { pinMode (Led, OUTPUT) ; // Initialization output pin pinMode (Sensor, INPUT) ; // Initialization sensor pin digitalWrite(Sensor, HIGH); // Activating internal pull-up resistor } void loop () { val = di.