Circuit Documentation

Summary

This circuit involves an Arduino UNO microcontroller, a DC motor, an LCD screen, a trimmer potentiometer, and a VS1838B IR receiver. The Arduino UNO serves as the central controller, interfacing with the other components to control the motor, display information on the LCD screen, and receive IR signals.

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

DC Motor

• Description: A simple DC motor.
• Pins: pin 1, pin 2

LCD Screen

• Description: A standard LCD screen for displaying information.
• Pins: Backlight (GND), VSS, VDD, Contrast, RS, E, R/W, D0, D1, D2, D3, D4, D5, D6, D7, Backlight_PWR

Trimmer Potentiometer

• Description: A variable resistor used to adjust the contrast of the LCD screen.
• Pins: leg1, wiper, leg2
• Properties:
  • Resistance: 10000 Ohms

VS1838B IR Receiver

• Description: An IR receiver module for receiving infrared signals.
• Pins: OUT, GND, VCC

Wiring Details

Arduino UNO

• GND: Connected to LCD screen (VSS, R/W, Backlight (GND)), Trimmer Potentiometer (leg1), VS1838B IR Receiver (OUT), DC Motor (pin 2)
• 5V: Connected to LCD screen (VDD, Backlight_PWR), Trimmer Potentiometer (leg2), VS1838B IR Receiver (GND)
• D2: Connected to LCD screen (RS)
• D3: Connected to LCD screen (E)
• D4: Connected to LCD screen (D4)
• D5: Connected to LCD screen (D5)
• D6: Connected to LCD screen (D6)
• D7: Connected to LCD screen (D7)
• D8: Connected to VS1838B IR Receiver (VCC)
• A0: Connected to DC Motor (pin 1)

DC Motor

• pin 1: Connected to Arduino UNO (A0)
• pin 2: Connected to Arduino UNO (GND)

LCD Screen

• VSS: Connected to Arduino UNO (GND)
• R/W: Connected to Arduino UNO (GND)
• Backlight (GND): Connected to Arduino UNO (GND)
• VDD: Connected to Arduino UNO (5V)
• Backlight_PWR: Connected to Arduino UNO (5V)
• Contrast: Connected to Trimmer Potentiometer (wiper)
• RS: Connected to Arduino UNO (D2)
• E: Connected to Arduino UNO (D3)
• D4: Connected to Arduino UNO (D4)
• D5: Connected to Arduino UNO (D5)
• D6: Connected to Arduino UNO (D6)
• D7: Connected to Arduino UNO (D7)

Trimmer Potentiometer

• leg1: Connected to Arduino UNO (GND)
• wiper: Connected to LCD screen (Contrast)
• leg2: Connected to Arduino UNO (5V)

VS1838B IR Receiver

• OUT: Connected to Arduino UNO (GND)
• GND: Connected to Arduino UNO (5V)
• VCC: Connected to Arduino UNO (D8)

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 Arduino UNO microcontroller.