Arduino SA
LED Switching

What will we do

In this lesson we will learn how to switch two LED’s on and off one at a time. It will work in the following sequence
    Turn Red LED ON
    Wait for 1 second
    Turn Red LED OFF and Yellow LED ON
    Wait for 1 second
Run the above code for 8 times.

Parts List

You will need the following parts:
    1x arduino uno
    1x arduino USB Cable
    1x Breadboard
    3x Jumper Wire
    2x LED (RED and Yellow)
    2x Resistor

Wiring it up

Ensure that the LED are the right way around, with the longer positive leads (anodes) to the left.

mBlock IDE

Launch the mBlock IDE ( and select the Arduino Uno Device and install the Kids Code Extension

Block Coding

mBlock Block-Based IDE- Coding for Beginners
Last modified 8mo ago