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Arduino UNO LED Control with Resistor

Image of Arduino UNO LED Control with Resistor

Circuit Documentation

Summary

This circuit consists of an Arduino UNO microcontroller, a red LED, and a 220 Ohm resistor. The LED is connected to the Arduino UNO through the resistor, allowing the microcontroller to control the LED.

Component List

Arduino UNO

  • Description: A microcontroller board based on the ATmega328P.
  • Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0, A1, A2, A3, A4, A5, SCL, SDA, AREF, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0
  • Purpose in Circuit: Acts as the main controller for the circuit.

LED: Two Pin (red)

  • Description: A red light-emitting diode.
  • Pins: cathode, anode
  • Purpose in Circuit: Provides visual feedback by emitting light when powered.

Resistor

  • Description: A 220 Ohm resistor.
  • Pins: pin1, pin2
  • Properties:
    • Resistance: 220 Ohms
  • Purpose in Circuit: Limits the current flowing through the LED to prevent damage.

Wiring Details

Arduino UNO

  • GND: Connected to pin1 of the Resistor.
  • D11: Connected to the anode of the LED.

LED: Two Pin (red)

  • anode: Connected to D11 of the Arduino UNO.
  • cathode: Connected to pin2 of the Resistor.

Resistor

  • pin1: Connected to GND of the Arduino UNO.
  • pin2: Connected to the cathode of the LED.

Documented Code

Arduino UNO Code

sketch.ino

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

documentation.txt