ezButton Library - Single Button Example

Hardware Required

1×Arduino UNO or Genuino UNO
1×USB 2.0 cable type A/B
1×LED
1×220 ohm resistor
1×Breadboard
1×Jumper Wires
1×(Optional) 9V Power Adapter for Arduino
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About LED

About ezOutput Library

Wiring Diagram

Arduino Button Library Wiring Diagram

This image is created using Fritzing. Click to enlarge image

Arduino Code

Quick Steps

  • Install ezOutput library. See How To
  • Connect Arduino to PC via USB cable
  • Open Arduino IDE, select the right board and port
  • On Arduino IDE, Go to File Examples ezButton 01.SingleButton example
/* * Created by ArduinoGetStarted.com * * This example code is in the public domain * * Tutorial page: https://arduinogetstarted.com/tutorials/arduino-button-library * * This example reads the state of a button without debounce and print it to Serial Monitor. */ #include <ezButton.h> ezButton button(7); // create ezButton object that attach to pin 7; void setup() { Serial.begin(9600); } void loop() { button.loop(); // MUST call the loop() function first int btnState = button.getState(); Serial.println(btnState); }
  • Click Upload button on Arduino IDE to upload code to Arduino
Arduino IDE Upload Code
  • Open Serial Monitor to see result:
COM6
Send
Autoscroll Show timestamp
Clear output
9600 baud  
Newline  

Code Explanation

Read the line-by-line explanation in comment lines of source code!

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