Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an LCD Display, a Rotary Potentiometer, a Water Level Sensor, a Servo, and an Arduino Mega 2560. The circuit is designed to interface these components with the Arduino Mega 2560, which controls the operation and reads data from the sensors.

Component List

LCD Display (16 pin)

• Description: A 16-pin LCD display used for visual output.
• Pins: VSS, VDD, VO, RS, R_W, E, DB0, DB1, DB2, DB3, DB4, DB5, DB6, DB7, A, K

Rotary Potentiometer

• Description: A variable resistor used to adjust voltage levels.
• Pins: leg1, wiper, leg2
• Properties:
  • Resistance: 10000 Ohms

Water Level Sensor

• Description: A sensor used to detect water levels.
• Pins: SIG, VCC, GND

Servo

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

Arduino Mega 2560

• Description: A microcontroller board based on the ATmega2560.
• Pins: IOREF, RESET, 3V3, 5V, GND, VIN, A0-A15, D0-D53, AREF, SDA, SCL

Wiring Details

LCD Display (16 pin)

• VSS: Connected to Arduino Mega 2560 GND
• VDD: Connected to Arduino Mega 2560 5V
• VO: Connected to Rotary Potentiometer wiper
• RS: Connected to Arduino Mega 2560 D7 PWM
• R_W: Connected to Arduino Mega 2560 GND
• E: Connected to Arduino Mega 2560 D8 PWM
• DB4: Connected to Arduino Mega 2560 D9 PWM
• DB5: Connected to Arduino Mega 2560 D10 PWM
• DB6: Connected to Arduino Mega 2560 D11 PWM
• DB7: Connected to Arduino Mega 2560 D12 PWM
• A: Connected to Arduino Mega 2560 5V
• K: Connected to Arduino Mega 2560 GND

Rotary Potentiometer

• leg1: Connected to Arduino Mega 2560 5V
• wiper: Connected to LCD Display VO
• leg2: Connected to Arduino Mega 2560 GND

Water Level Sensor

• SIG: Connected to Arduino Mega 2560 A0
• VCC: Connected to Arduino Mega 2560 5V
• GND: Connected to Arduino Mega 2560 GND

Servo

• GND: Connected to Arduino Mega 2560 GND
• VCC: Connected to Arduino Mega 2560 5V
• PWM: Connected to Arduino Mega 2560 D6 PWM

Arduino Mega 2560

• 5V: Connected to Water Level Sensor VCC, LCD Display VDD, LCD Display A, Rotary Potentiometer leg1, Servo VCC
• GND: Connected to Water Level Sensor GND, LCD Display VSS, LCD Display R_W, LCD Display K, Rotary Potentiometer leg2, Servo GND
• A0: Connected to Water Level Sensor SIG
• D6 PWM: Connected to Servo PWM
• D7 PWM: Connected to LCD Display RS
• D8 PWM: Connected to LCD Display E
• D9 PWM: Connected to LCD Display DB4
• D10 PWM: Connected to LCD Display DB5
• D11 PWM: Connected to LCD Display DB6
• D12 PWM: Connected to LCD Display DB7

Documented Code

Arduino Mega 2560 Code

sketch.ino

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

}

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

}

documentation.txt