Circuit Documentation

Summary

This circuit involves an Arduino UNO microcontroller, a red LED, a photocell (LDR), and two resistors. The circuit is designed to read the light intensity using the photocell and control the LED based on the light intensity.

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

LED: Two Pin (red)

• Description: A red light-emitting diode.
• Pins: cathode, anode

Resistor (220 Ohms)

• Description: A resistor with a resistance of 220 Ohms.
• Pins: pin1, pin2

Resistor (10k Ohms)

• Description: A resistor with a resistance of 10k Ohms.
• Pins: pin1, pin2

Photocell (LDR)

• Description: A light-dependent resistor that changes its resistance based on the light intensity.
• Pins: pin 0, pin 1

Wiring Details

Arduino UNO

• 5V: Connected to pin1 of the 10k Ohms resistor.
• A0: Connected to pin2 of the 10k Ohms resistor and pin 0 of the Photocell (LDR).
• GND: Connected to pin 1 of the Photocell (LDR) and cathode of the LED.
• D2: Connected to pin2 of the 220 Ohms resistor.

LED: Two Pin (red)

• cathode: Connected to GND of the Arduino UNO and pin 1 of the Photocell (LDR).
• anode: Connected to pin1 of the 220 Ohms resistor.

Resistor (220 Ohms)

• pin1: Connected to anode of the LED.
• pin2: Connected to D2 of the Arduino UNO.

Resistor (10k Ohms)

• pin1: Connected to 5V of the Arduino UNO.
• pin2: Connected to A0 of the Arduino UNO and pin 0 of the Photocell (LDR).

Photocell (LDR)

• pin 0: Connected to pin2 of the 10k Ohms resistor and A0 of the Arduino UNO.
• pin 1: Connected to GND of the Arduino UNO and 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:

}

Additional Documentation (documentation.txt)

This documentation provides a comprehensive overview of the circuit, including a summary, detailed component list, wiring details, and the code used in the microcontroller.