Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an Arduino UNO microcontroller, multiple DC motors, an ultrasonic sensor, an IR receiver, a water pump, a solar panel, a rocker switch, a motor driver, a relay module, a voltage regulator, and batteries. The circuit is designed to control various components using the Arduino UNO, with power supplied by batteries and a solar panel.

Component List

1. Arduino UNO

   • Description: 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

2. DC Motor

   • Description: Standard DC motor.
   • Pins: pin 1, pin 2

3. HC-SR04 Ultrasonic Sensor

   • Description: Ultrasonic distance sensor.
   • Pins: VCC, TRIG, ECHO, GND

4. IR Receiver

   • Description: Infrared receiver module.
   • Pins: DATA, VCC, GND

5. Water Pump

   • Description: Small water pump.
   • Pins: positive, negative

6. Solar Panel

   • Description: Solar panel for power generation.
   • Pins: +, -

7. Rocker Switch (SPST)

   • Description: Single Pole Single Throw rocker switch.
   • Pins: 1, 2

8. Motor Driver (L298N)

   • Description: Dual H-Bridge motor driver.
   • Pins: OUT 1, OUT 2, OUT 3, OUT 4, +12V INPUT, GND, +5V OUTPUT, ENA, IN 1, IN 2, IN 3, IN 4, ENB

9. Relay 4 Channel 5v

   • Description: 4-channel relay module.
   • Pins: GND, IN1, IN2, IN3, IN4, VCC, COM1, COM2, COM3, COM4, NO1, NO2, NO3, NO4, NC1, NC2, NC3, NC4

10. Voltage Regulator

    • Description: Voltage regulator for power management.
    • Pins: GND, IN, OUT

11. 5v Battery

    • Description: 5V battery for power supply.
    • Pins: +, -

Wiring Details

Arduino UNO

• 5V: Connected to VCC of IR Receiver, VCC of HC-SR04 Ultrasonic Sensor, VCC of Relay 4 Channel 5v, IN of Voltage Regulator, positive of Water Pump, pin 2 of Rocker Switch, +5V OUTPUT of Motor Driver, + of Solar Panel, + of 5v Battery.
• GND: Connected to GND of IR Receiver, GND of HC-SR04 Ultrasonic Sensor, GND of Motor Driver, GND of Relay 4 Channel 5v, negative of Water Pump.
• D12: Connected to DATA of IR Receiver.
• D11: Connected to IN4 of Relay 4 Channel 5v.
• D10: Connected to ENB of Motor Driver, IN3 of Relay 4 Channel 5v.
• D9: Connected to ENA of Motor Driver, IN2 of Relay 4 Channel 5v.
• D8: Connected to IN1 of Relay 4 Channel 5v.
• D7: Connected to IN 4 of Motor Driver.
• D6: Connected to IN 3 of Motor Driver.
• D5: Connected to pin 1 of Rocker Switch.
• D4: Connected to ECHO of HC-SR04 Ultrasonic Sensor.
• D3: Connected to pin 1 of Rocker Switch.
• D2: Connected to TRIG of HC-SR04 Ultrasonic Sensor.
• D1: Connected to OUT of Voltage Regulator.
• D0: Connected to COM1 of Relay 4 Channel 5v.

DC Motor

• pin 1: Connected to OUT 3 of Motor Driver.
• pin 2: Connected to OUT 3 of Motor Driver.

HC-SR04 Ultrasonic Sensor

• VCC: Connected to 5V of Arduino UNO.
• TRIG: Connected to D2 of Arduino UNO.
• ECHO: Connected to D4 of Arduino UNO.
• GND: Connected to GND of Arduino UNO.

IR Receiver

• DATA: Connected to D12 of Arduino UNO.
• VCC: Connected to 5V of Arduino UNO.
• GND: Connected to GND of Arduino UNO.

Water Pump

• positive: Connected to 5V of Arduino UNO.
• negative: Connected to GND of Arduino UNO.

Solar Panel

• +: Connected to 5V of Arduino UNO.
• -: Connected to GND of Voltage Regulator.

Rocker Switch (SPST)

• 1: Connected to D5 of Arduino UNO.
• 2: Connected to 5V of Arduino UNO.

Motor Driver (L298N)

• OUT 1: Connected to pin 1 of DC Motor.
• OUT 2: Connected to pin 1 of DC Motor.
• OUT 3: Connected to pin 1 of DC Motor.
• OUT 4: Connected to pin 1 of DC Motor.
• +12V INPUT: Not connected.
• GND: Connected to GND of Arduino UNO.
• +5V OUTPUT: Connected to 5V of Arduino UNO.
• ENA: Connected to D9 of Arduino UNO.
• IN 1: Connected to D5 of Arduino UNO.
• IN 2: Connected to D5 of Arduino UNO.
• IN 3: Connected to D6 of Arduino UNO.
• IN 4: Connected to D7 of Arduino UNO.
• ENB: Connected to D10 of Arduino UNO.

Relay 4 Channel 5v

• GND: Connected to GND of Arduino UNO.
• IN1: Connected to D8 of Arduino UNO.
• IN2: Connected to D9 of Arduino UNO.
• IN3: Connected to D10 of Arduino UNO.
• IN4: Connected to D11 of Arduino UNO.
• VCC: Connected to 5V of Arduino UNO.
• COM1: Connected to D0 of Arduino UNO.

Voltage Regulator

• GND: Connected to GND of 5v Battery.
• IN: Connected to 5V of Arduino UNO.
• OUT: Connected to D1 of Arduino UNO.

5v Battery

• +: Connected to 5V of Arduino UNO.
• -: Connected to GND of Voltage Regulator.

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. Each component is described, and its connections are detailed to ensure clarity and ease of understanding.