Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an Arduino UNO microcontroller, various sensors, a water pump, an LED, and several resistors. The circuit is designed to interface with a water level sensor and an LDR (Light Dependent Resistor) to control a water pump and an LED. The Arduino UNO serves as the central control unit, processing sensor data and controlling the output devices.

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

Water Level Sensor

• Description: A sensor used to detect the level of water.
• Pins: SIG, VCC, GND

Water Pump

• Description: A device used to pump water.
• Pins: positive, negative

LDR (Light Dependent Resistor)

• Description: A resistor whose resistance decreases with increasing incident light intensity.
• Pins: A0, D0, GND, VCC

LED: Two Pin (red)

• Description: A red LED with two pins.
• Pins: cathode, anode

Resistor

• Description: A passive electrical component with a resistance of 200 Ohms.
• Pins: pin1, pin2

Comment

• Description: Placeholder for comments in the circuit.
• Pins: None

Wiring Details

Arduino UNO

• 5V is connected to:

  • Resistor (pin2)
  • Resistor (pin2)

• GND is connected to:

  • Water Pump (negative)
  • LED (cathode)
  • LDR (GND)
  • Water Level Sensor (GND)

• A0 is connected to:

  • Water Level Sensor (SIG)

• A1 is connected to:

  • LDR (A0)

• D2 is connected to:

  • Resistor (pin1)

• D3 is connected to:

  • Resistor (pin2)

Water Level Sensor

• SIG is connected to:

  • Arduino UNO (A0)

• VCC is connected to:

  • Resistor (pin1)

• GND is connected to:

  • Arduino UNO (GND)

Water Pump

• positive is connected to:

  • Resistor (pin2)

• negative is connected to:

  • Arduino UNO (GND)

LDR

• A0 is connected to:

  • Arduino UNO (A1)

• GND is connected to:

  • Arduino UNO (GND)

• VCC is connected to:

  • Resistor (pin1)

LED: Two Pin (red)

• cathode is connected to:

  • Arduino UNO (GND)

• anode is connected to:

  • Resistor (pin1)

Resistor

• pin1 is connected to:

  • Arduino UNO (D2)
  • Water Pump (positive)
  • LDR (VCC)
  • LED (anode)
  • Water Level Sensor (VCC)

• pin2 is connected to:

  • Arduino UNO (5V)
  • Arduino UNO (5V)
  • Arduino UNO (D3)
  • Water Pump (positive)

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 (documentation.txt)

This document provides a comprehensive overview of the circuit, including a summary, component list, wiring details, and documented code. The Arduino UNO serves as the central control unit, interfacing with various sensors and controlling output devices such as the water pump and LED.