Arduino Tutorial – 2# Blink an LED

#2 – Blink an LED

This project is identical to project #1 except that we will be building it on a breadboard.
Once complete, the LED should turn on for a second and then off for a second in a
loop.

Parts Needed
(1) Arduino Uno
(1) USB A-to-B Cable
(1) Breadboard – Half Size
(1) LED 5mm
(1) 220 Ω Resistor
(2) Jumper Wires

           

 

Before you can start working with Arduino, you need to make sure you have the Arduino IDE software installed on your computer.

This program allows you to write, view and upload the code to your Arduino Uno board.

You can download the IDE for free on Arduino’s website.
Once the IDE is installed, you will need to connect your Arduino to your computer.

To do this, plug one end of the USB cable to the Arduino Uno and then the other end of the USB to your computer’s USB port.

Select The Board
Once the board is plugged in, you will need to open the IDE and click on Tools > Board > Arduino Uno to select the board.

 

Select Serial Port
Next, you have to tell the Arduino which port you are using on your computer.

To select the port, go to Tools > Port and then select the port that says Arduino.

 

Project Diagram

Project Code
1. Connect the Arduino board to your computer using the USB cable.
2. Open project code – Circuit_02_Blink

Use the link below to download the zip folder containing the code:
Download Project Code
Once the file has been downloaded, you will need to unzip/extract the folder in order to use it.

 

3. Select the board and serial port as outlined in earlier section.
4. Click upload button to send sketch to the Arduino.

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