Circuit Documentation

Summary

This circuit involves two Arduino UNO microcontrollers, an LCD Display, multiple IR sensors, a potentiometer, capacitors, a servo motor, a voltage regulator, and a 4x4 membrane matrix keypad. The circuit is designed to interface various sensors and actuators with the Arduino microcontrollers, allowing for data display on the LCD and control via the keypad.

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

LCD Display (16 pin)

• Description: A 16x2 character LCD display.
• Pins: VSS, VDD, VO, RS, R_W, E, DB0, DB1, DB2, DB3, DB4, DB5, DB6, DB7, A, K

IR Sensor

• Description: An infrared sensor for object detection.
• Pins: out, gnd, vcc

Potentiometer

• Description: A variable resistor used to adjust voltage.
• Pins: GND, Output, VCC

Ceramic Capacitor

• Description: A capacitor with a capacitance of 0.1 µF.
• Pins: pin0, pin1

Servo

• Description: A servo motor for precise control of angular position.
• Pins: GND, VCC, PWM

Voltage Regulator

• Description: A component to regulate voltage.
• Pins: GND, IN, OUT

Electrolytic Capacitor

• Description: A capacitor with a capacitance of 1 µF.
• Pins: -, +

4X4 Membrane Matrix Keypad

• Description: A keypad with 4 rows and 4 columns.
• Pins: R1, R2, R3, R4, C1, C2, C3, C4

Wiring Details

Arduino UNO

• Vin: Connected to Voltage Regulator (OUT)
• GND: Connected to LCD Display (R_W)
• D12: Connected to LCD Display (RS)
• D11: Connected to LCD Display (E)
• D9: Connected to IR Sensor (out)
• D8: Connected to IR Sensor (out)
• D7: Connected to IR Sensor (out)
• D6: Connected to IR Sensor (out)
• D5: Connected to LCD Display (DB4)
• D4: Connected to LCD Display (DB5)
• D3: Connected to LCD Display (DB6)
• D2: Connected to LCD Display (DB7)
• D1: Connected to Arduino UNO (D0)
• D0: Connected to Arduino UNO (D1)

LCD Display (16 pin)

• VSS: Connected to GND
• VDD: Connected to VCC
• VO: Connected to Potentiometer (Output)
• RS: Connected to Arduino UNO (D12)
• R_W: Connected to GND
• E: Connected to Arduino UNO (D11)
• DB4: Connected to Arduino UNO (D5)
• DB5: Connected to Arduino UNO (D4)
• DB6: Connected to Arduino UNO (D3)
• DB7: Connected to Arduino UNO (D2)
• A: Connected to VCC
• K: Connected to GND

IR Sensor

• out: Connected to Arduino UNO (D9, D8, D7, D6)
• gnd: Connected to GND
• vcc: Connected to VCC

Potentiometer

• GND: Connected to GND
• Output: Connected to LCD Display (VO)
• VCC: Connected to VCC

Ceramic Capacitor

• pin0: Connected to GND
• pin1: Connected to VCC

Servo

• VCC: Connected to Arduino UNO (5V)
• GND: Connected to GND
• PWM: Connected to Arduino UNO (D10)

Voltage Regulator

• GND: Connected to GND
• IN: Connected to VCC
• OUT: Connected to Arduino UNO (Vin)

Electrolytic Capacitor

• -: Connected to GND
• +: Connected to VCC

4X4 Membrane Matrix Keypad

• R1: Connected to Arduino UNO (D9)
• R2: Connected to Arduino UNO (D8)
• R3: Connected to Arduino UNO (D7)
• R4: Connected to Arduino UNO (D6)
• C1: Connected to Arduino UNO (D5)
• C2: Connected to Arduino UNO (D4)
• C3: Connected to Arduino UNO (D3)
• C4: Connected to Arduino UNO (D2)

Documented Code

Arduino UNO (Instance 1)

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

}

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

}

Arduino UNO (Instance 2)

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

}

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

}

This documentation provides a comprehensive overview of the circuit, including a summary, detailed component list, wiring details, and documented code for the microcontrollers.