Blink LED pattern using Arduino on Tinkercad

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Objectives :

1. To learn basic concepts of current flow.

2. To learn working of LED and Arduino


Requirements:

Name

Quantity

Component in Tinkercad

Arduino UNO

1

 Arduino Uno R3

 

Breadboard

1

Small Breadboard

Resistor

3

1 kΩ Resistor

LED

1

Red LED

LED

1

Green LED

LED

1

Blue LED

LED: 


 Connections: 

LED(RED)

Arduino Uno

Anode (+ve end of LED)

 PIN No

Cathode (-ve end of LED)

GND

 

LED(GREEN)

Arduino Uno

Anode (+ve end of LED)

 PIN No

Cathode (-ve end of LED)

GND

 

LED(BLUE)

Arduino Uno

Anode (+ve end of LED)

 PIN No

Cathode (-ve end of LED)

GND

Circuit Diagram: Connect the components as given in the circuit diagram below.

 

1. Arrange blocks in a block editor like below (follow same order). 



Explanation:

 

  1. LEDs will blink continuously by taking a pause of 1 second.
  2. Functions used in program are as below:

a.     Void setup() :- The Arduino program calls the setup function as the first thing when the Arduino unit powers up. So any code that you place in the setup function in your sketch runs first, and it only runs once. The setup function is a great place to initialize input and output pins so they are ready to be used.

b.    pinMode() :- pinMode() function Set the mode of an individual pin. It accepts two arguments: Pin Number , Type of pin(output/input)

c.    loop() :- Like all other functions, loop() is a function. Its call only results in the execution of the code it contains; it has no effect on the looping behavior of the code from which it is called.

d.    DigitalWrite() :- DigitalWrite will set the output to one of two states , LOW or HIGH. It can be used to turn on a LED, switch a relay etc.

e.    delay() :- The delay() function allows you to pause the execution of your Arduino program for a specified period.

 

Output: After running the program, we will get the below output





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