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Arduino Mega 2560-Based Modular Control System with I2C LCD and Peripheral Interfaces

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Circuit Documentation

Summary

This document provides a detailed overview of a circuit designed to interface various components with an Arduino Mega 2560 microcontroller. The circuit includes input devices (tactile switches), output devices (LCD screen, DC motor, servo, loudspeaker), sensors (ultrasonic distance sensor, load cell), a motor driver, a real-time clock, a micro SD card module, and power management components (solar panel, battery, solar charge controller). The circuit is designed to perform multiple functions, which could include user input handling, data display, motor control, data logging, timekeeping, and distance measurement.

Component List

Microcontroller

Input Devices

Output Devices

Sensors

Motor Driver

Power Management

Timekeeping

Data Storage

Communication Module

Passive Components

Wiring Details

Arduino Mega 2560

Tactile Switch Buttons - 12mm Square

I2C LCD 16x2 Screen

DC Motor

Tower Pro SG90 servo

Loudspeaker

HC-SR04 Ultrasonic Distance Sensor

Load Cell - Red/white/black/green

L298N DC motor driver

Solar Panel

12V Battery (mini)

Solar Charge Controller

HX711 - Bridge Sensor Interface

DS1302 RTC

Micro SD Card Module

Resistor

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:

}

Note: The provided code is a template and does not include specific functionality. It needs to be completed with the logic required for the circuit's intended operation.