Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes various sensors, actuators, and microcontrollers. The circuit is designed to interface with multiple components such as a color light-to-digital converter, DC motors, a BME/BMP280 sensor, an ESP32 Devkit, and an Arduino UNO. The document includes a component list, wiring details, and the embedded code used in the microcontrollers.

Component List

TCS3472 COLOR LIGHT-TO-DIGITAL CONVERTER with IR FILTER

• Pins: LED, INT, SDA, SCL, 3V3, GND, VIN
• Description: A sensor that converts light to digital values, including an IR filter.

DC Motor

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

BME/BMP280

• Pins: GND, SCL, SDA, VIN
• Description: A sensor for measuring temperature, humidity, and pressure.

ESP32 Devkit V1

• Pins: 3V3, GND, D15, D2, D4, RX2, TX2, D5, D18, D19, D21, RX0, TX0, D22, D23, EN, VP, VN, D34, D35, D32, D33, D25, D26, D27, D14, D12, D13, VIN
• Description: A development board for the ESP32 microcontroller.

MG996R

• Pins: GND, VCC, SIG
• Description: A high-torque servo motor.

Water Sensor

• Pins: -, +
• Description: A sensor for detecting the presence of water.

L298N DC Motor Driver

• Pins: OUT1, OUT2, 12V, GND, 5V, OUT3, OUT4, 5V-ENA-JMP-I, 5V-ENA-JMP-O, +5V-J1, +5V-J2, ENA, IN1, IN2, IN3, IN4, ENB
• Description: A dual H-bridge motor driver for controlling DC motors.

Adafruit TCA9548A

• Pins: 2SDA, 2SCL, 3SDA, 3SCL, 4SDA, 4SCL, 5SDA, 5SCL, 6SDA, 6SCL, 7SDA, 7SCL, VCC, GND, INPUTSDA, INPUTSCL, RESET, A0, A1, A2, 0SDA, 0SCL, 1SDA, 1SCL
• Description: An I2C multiplexer for expanding I2C bus capabilities.

Soil Moisture Interceptor

• Pins: AO, DO, GND, VCC
• Description: A sensor for measuring soil moisture levels.

Arduino UNO

• 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
• Description: A popular microcontroller board based on the ATmega328P.

Rocker Switch

• Pins: 1, 2
• Description: A simple on/off switch.

12v5ah Battery

• Pins: 12v +, 12v -
• Description: A 12V, 5Ah battery for powering the circuit.

Wiring Details

TCS3472 COLOR LIGHT-TO-DIGITAL CONVERTER with IR FILTER

• VIN: Connected to Arduino UNO Vin
• SDA: Connected to Adafruit TCA9548A 0SDA
• SCL: Connected to Adafruit TCA9548A 0SCL

DC Motor

• pin 1: Connected to L298N DC motor driver OUT2
• pin 2: Connected to L298N DC motor driver OUT1

DC Motor

• pin 1: Connected to L298N DC motor driver OUT4
• pin 2: Connected to L298N DC motor driver OUT3

BME/BMP280

• VIN: Connected to Adafruit TCA9548A VCC
• SCL: Connected to Adafruit TCA9548A 2SCL
• SDA: Connected to Adafruit TCA9548A 2SDA

ESP32 Devkit V1

• RX2: Connected to Arduino UNO D3
• TX2: Connected to Arduino UNO D2

MG996R

• SIG: Connected to Arduino UNO D11

MG996R

• SIG: Connected to Arduino UNO D10

MG996R

• SIG: Connected to Arduino UNO D9

MG996R

• SIG: Connected to Arduino UNO D6

MG996R

• SIG: Connected to Arduino UNO D5

Water Sensor

• -: Connected to Soil Moisture Interceptor GND
• +: Connected to Soil Moisture Interceptor VCC

L298N DC Motor Driver

• ENA: Connected to Adafruit TCA9548A VCC
• ENB: Connected to Adafruit TCA9548A VCC
• 5V: Connected to Adafruit TCA9548A VCC
• IN4: Connected to Arduino UNO D13
• IN3: Connected to Arduino UNO D12
• IN2: Connected to Arduino UNO D8
• IN1: Connected to Arduino UNO D7
• 12V: Connected to Rocker Switch pin 1
• OUT1: Connected to DC Motor pin 2
• OUT2: Connected to DC Motor pin 1
• OUT3: Connected to DC Motor pin 2
• OUT4: Connected to DC Motor pin 1

Adafruit TCA9548A

• INPUTSCL: Connected to Arduino UNO SCL
• INPUTSDA: Connected to Arduino UNO SDA
• 0SDA: Connected to TCS3472 COLOR LIGHT-TO-DIGITAL CONVERTER with IR FILTER SDA
• 0SCL: Connected to TCS3472 COLOR LIGHT-TO-DIGITAL CONVERTER with IR FILTER SCL
• 1SDA: Connected to TCS3472 COLOR LIGHT-TO-DIGITAL CONVERTER with IR FILTER SDA
• 1SCL: Connected to TCS3472 COLOR LIGHT-TO-DIGITAL CONVERTER with IR FILTER SCL
• 2SCL: Connected to BME/BMP280 SCL
• 2SDA: Connected to BME/BMP280 SDA

Soil Moisture Interceptor

• VCC: Connected to Arduino UNO 5V
• AO: Connected to Arduino UNO A0

Arduino UNO

• 5V: Connected to Soil Moisture Interceptor VCC
• Vin: Connected to TCS3472 COLOR LIGHT-TO-DIGITAL CONVERTER with IR FILTER VIN
• A0: Connected to Soil Moisture Interceptor AO
• SCL: Connected to Adafruit TCA9548A INPUTSCL
• SDA: Connected to Adafruit TCA9548A INPUTSDA
• D13: Connected to L298N DC motor driver IN4
• D12: Connected to L298N DC motor driver IN3
• D11: Connected to MG996R SIG
• D10: Connected to MG996R SIG
• D9: Connected to MG996R SIG
• D8: Connected to L298N DC motor driver IN2
• D7: Connected to L298N DC motor driver IN1
• D6: Connected to MG996R SIG
• D5: Connected to MG996R SIG
• D3: Connected to ESP32 Devkit V1 RX2
• D2: Connected to ESP32 Devkit V1 TX2

Rocker Switch

• pin 1: Connected to L298N DC motor driver 12V
• pin 2: Connected to 12v5ah Battery 12v +

12v5ah Battery

• 12v +: Connected to Rocker Switch pin 2

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 concludes the detailed documentation of the circuit, including the component list, wiring details, and embedded code.