Wiki - Inputs / Inputs - Digital Input

Wiring diagram for pushbutton with 2kOm pull-up resistor.

Block Digital input Pin 2.

Let's send the value of digital pin 2 to the Port Monitor.

Sample program:

Download example: file.ardublock | Open Online ArduBlock

Video:

Components from Aliexpress

LED

Button

Resistor

Potentiometer

Arduino Pro Mini

Arduino Nano

Arduino Uno

Arduino Uno R3

Arduino Mega

Arduino Leonardo

Bread board

Training set