Components:

  • Arduino Uno board
  • 1 × LED
  • Jumper wires
  • Breadboard

Circuit Connection:

  • Connect the anode (positive leg) of the LED to Arduino’s pin 13 through a resistor.
  • Connect the cathode (negative leg) of the LED to GND.

 

 

PictoBlox Program:

  • Use the set digital pin 13 output HIGH block to turn the LED on.
  • Use the set digital pin 13 output LOW block to turn the LED off.

Explanation: This project demonstrates the fundamental concept of using a microcontroller to control an external device. By setting the pin to HIGH, the Arduino sends a current that lights up the LED. Setting the pin to LOW cuts the current, turning the LED off.

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