Circuit Documentation

Summary

This document provides a detailed overview of a circuit that integrates various sensors and modules with an Arduino UNO R4 WiFi microcontroller. The circuit is designed to collect environmental data using sensors such as the BME/BMP280, GPS NEO 6M, ph4502c, Turbidity Sensor, TDS Sensor 2, and MPU6050. Additionally, it includes a solar power management system using a Solar Panel, CN3065 Solar Charge controller, Lipo Battery, and MT3608 voltage booster. The ESP32 CAM module is also included for capturing images or video.

Component List

Arduino UNO R4 WiFi

• Pins: OFF, GND, VRTC, IIC0_SCL, IIC0_SDA, 3V3, GPIO 41, GPIO 0, GPIO 42, GPIO 43, GPIO 44, BOOT, IOREF, RESET, 5V, VIN, A0, A1, A2, A3, A4, A5, RSPCKA, CIPO, COPI, D0/RX, D1/TX, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, AREF, SDA, SCL
• Description: Microcontroller board with WiFi capability.

BME/BMP280

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

GPS NEO 6M

• Pins: VCC, RX, TX, GND
• Description: GPS module for location tracking.

ph4502c

• Pins: VCC, G1, G2, Po, Do, To
• Description: pH sensor for measuring the acidity or alkalinity of a solution.

Turbidity Sensor

• Pins: OUT, VCC, GND
• Description: Sensor for measuring the turbidity (cloudiness) of water.

TDS Sensor 2

• Pins: AIn, GND, 5V
• Description: Total Dissolved Solids (TDS) sensor for measuring water quality.

MPU6050

• Pins: vcc, gnd, scl, sda, xda, xcl, AD0, int, 3.3v
• Description: Accelerometer and gyroscope sensor.

Solar Panel

• Pins: +, -
• Description: Solar panel for generating electrical power.

CN3065 Solar Charge

• Pins: SOLAR +, SOLAR -, BAT +, SYS -, SYS +, BAT -
• Description: Solar charge controller for managing power from the solar panel to the battery.

Lipo Battery

• Pins: VCC, GND
• Description: Lithium polymer battery for energy storage.

MT3608

• Pins: VOUT+, VIN+, VOUT-, VIN-
• Description: DC-DC step-up voltage booster.

2.1mm Barrel Jack with Terminal Block

• Pins: POS, NEG
• Description: Power connector for external power supply.

ESP32 CAM

• Pins: 5V, GND, GPIO12, GPIO13, GPIO15, GPIO14, GPIO2, GPIO4, 3.3V, GPIO16, GPIO0, 3.3V / 5V / P_OUT, GPIO3 / RX, GPIO1 / TX
• Description: Camera module with WiFi capability.

Wiring Details

Arduino UNO R4 WiFi

• 5V connected to:

  • ph4502c (VCC)
  • TDS Sensor 2 (5V)
  • Turbidity Sensor (VCC)
  • GPS NEO 6M (VCC)
  • MPU6050 (vcc)
  • BME/BMP280 (VIN)
  • ESP32 CAM (5V)

• GND connected to:

  • ph4502c (G1)
  • TDS Sensor 2 (GND)
  • Turbidity Sensor (GND)
  • MPU6050 (gnd)
  • BME/BMP280 (GND)
  • GPS NEO 6M (GND)
  • ESP32 CAM (GND)

• A0 connected to:

  • TDS Sensor 2 (AIn)

• A1 connected to:

  • Turbidity Sensor (OUT)

• A2 connected to:

  • ph4502c (Po)

• A4 connected to:

  • MPU6050 (sda)

• A5 connected to:

  • MPU6050 (scl)

• D0/RX connected to:

  • GPS NEO 6M (TX)

• D1/TX connected to:

  • GPS NEO 6M (RX)

• SDA connected to:

  • BME/BMP280 (SDA)

• SCL connected to:

  • BME/BMP280 (SCL)

BME/BMP280

• VIN connected to:

  • Arduino UNO R4 WiFi (5V)

• GND connected to:

  • Arduino UNO R4 WiFi (GND)

• SDA connected to:

  • Arduino UNO R4 WiFi (SDA)

• SCL connected to:

  • Arduino UNO R4 WiFi (SCL)

GPS NEO 6M

• VCC connected to:

  • Arduino UNO R4 WiFi (5V)

• GND connected to:

  • Arduino UNO R4 WiFi (GND)

• TX connected to:

  • Arduino UNO R4 WiFi (D0/RX)

• RX connected to:

  • Arduino UNO R4 WiFi (D1/TX)

ph4502c

• VCC connected to:

  • Arduino UNO R4 WiFi (5V)

• G1 connected to:

  • Arduino UNO R4 WiFi (GND)

• Po connected to:

  • Arduino UNO R4 WiFi (A2)

Turbidity Sensor

• VCC connected to:

  • Arduino UNO R4 WiFi (5V)

• GND connected to:

  • Arduino UNO R4 WiFi (GND)

• OUT connected to:

  • Arduino UNO R4 WiFi (A1)

TDS Sensor 2

• 5V connected to:

  • Arduino UNO R4 WiFi (5V)

• GND connected to:

  • Arduino UNO R4 WiFi (GND)

• AIn connected to:

  • Arduino UNO R4 WiFi (A0)

MPU6050

• vcc connected to:

  • Arduino UNO R4 WiFi (5V)

• gnd connected to:

  • Arduino UNO R4 WiFi (GND)

• sda connected to:

  • Arduino UNO R4 WiFi (A4)

• scl connected to:

  • Arduino UNO R4 WiFi (A5)

Solar Panel

• + connected to:

  • CN3065 Solar Charge (SOLAR +)

• - connected to:

  • CN3065 Solar Charge (SOLAR -)

CN3065 Solar Charge

• SOLAR + connected to:

  • Solar Panel (+)

• SOLAR - connected to:

  • Solar Panel (-)

• BAT + connected to:

  • Lipo Battery (VCC)

• BAT - connected to:

  • Lipo Battery (GND)

• SYS + connected to:

  • MT3608 (VIN+)

• SYS - connected to:

  • MT3608 (VIN-)

Lipo Battery

• VCC connected to:

  • CN3065 Solar Charge (BAT +)

• GND connected to:

  • CN3065 Solar Charge (BAT -)

MT3608

• VIN+ connected to:

  • CN3065 Solar Charge (SYS +)

• VIN- connected to:

  • CN3065 Solar Charge (SYS -)

• VOUT+ connected to:

  • 2.1mm Barrel Jack with Terminal Block (POS)

• VOUT- connected to:

  • 2.1mm Barrel Jack with Terminal Block (NEG)

2.1mm Barrel Jack with Terminal Block

• POS connected to:

  • MT3608 (VOUT+)

• NEG connected to:

  • MT3608 (VOUT-)

ESP32 CAM

• 5V connected to:

  • Arduino UNO R4 WiFi (5V)

• GND connected to:

  • Arduino UNO R4 WiFi (GND)

Documented Code

Arduino UNO R4 WiFi Code

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

}

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

}

This concludes the documentation for the circuit. Each component is described, and