Circuit Documentation

Summary

This circuit integrates multiple sensors and modules with an Arduino Mega 2560 microcontroller to perform various sensing and communication functions. The sensors include an MPU-6050 for motion tracking, a BMP280 for atmospheric pressure and temperature measurements, an Adafruit GUVA-S12SD UV Light Sensor for detecting UV light intensity, and a GPS NEO 6M module for location tracking. Additionally, an NTC thermistor is used for temperature sensing, and a LoRa Ra-02 SX1278 module is included for long-range communication. The circuit is powered through a USB connection that is linked to a Solar Charger Power Bank, ensuring a renewable energy source.

Component List

• MPU-6050: A motion tracking device that includes a gyroscope and an accelerometer.
• Arduino Mega 2560: A microcontroller board based on the ATmega2560, with numerous digital and analog I/O pins.
• Adafruit GUVA-S12SD UV Light Sensor: A sensor for measuring ultraviolet light intensity.
• GPS NEO 6M: A module for receiving GPS signals and determining geographical location.
• BMP280: A sensor for measuring atmospheric pressure and temperature.
• NTC Thermistor: A temperature-sensitive resistor used for measuring temperature.
• USB Male 2 Pin Connection: A connector for providing power through a USB interface.
• Solar Charger Power Bank: A device that stores energy from solar panels to power the circuit.
• LoRa Ra-02 SX1278: A long-range communication module based on LoRa technology.

Wiring Details

MPU-6050

• VCC: Connected to Arduino Mega 2560 5V.
• GND: Connected to Arduino Mega 2560 GND.
• SCL: Connected to Arduino Mega 2560 D21/SCL.
• SDA: Connected to Arduino Mega 2560 D20/SDA.
• INT: Connected to Arduino Mega 2560 D45.

Arduino Mega 2560

• 3V3: Connected to LoRa Ra-02 SX1278 3.3V.
• 5V: Connected to MPU-6050 VCC, Adafruit GUVA-S12SD UV Light Sensor 5V, BMP280 VCC, and GPS NEO 6M VCC.
• GND: Common ground for MPU-6050, GPS NEO 6M, NTC Thermistor, Adafruit GUVA-S12SD UV Light Sensor, BMP280, and LoRa Ra-02 SX1278.
• A0: Connected to NTC Thermistor A1.
• A1: Connected to Adafruit GUVA-S12SD UV Light Sensor Out.
• D21/SCL: Connected to MPU-6050 SCL and BMP280 SCL.
• D20/SDA: Connected to MPU-6050 SDA and BMP280 SDA.
• D19/RX1: Connected to GPS NEO 6M TX.
• D18/TX1: Connected to GPS NEO 6M RX.
• D2 PWM: Connected to LoRa Ra-02 SX1278 DI00.
• D52: Connected to LoRa Ra-02 SX1278 SCK.
• D50: Connected to LoRa Ra-02 SX1278 MISO.
• D22: Connected to LoRa Ra-02 SX1278 RST.
• D51: Connected to LoRa Ra-02 SX1278 MOSI.
• D23: Connected to LoRa Ra-02 SX1278 NSS.

Adafruit GUVA-S12SD UV Light Sensor

• 5V: Connected to Arduino Mega 2560 5V.
• Out: Connected to Arduino Mega 2560 A1.
• GND: Connected to Arduino Mega 2560 GND.

GPS NEO 6M

• VCC: Connected to Arduino Mega 2560 5V.
• RX: Connected to Arduino Mega 2560 D18/TX1.
• TX: Connected to Arduino Mega 2560 D19/RX1.
• GND: Connected to Arduino Mega 2560 GND.

BMP280

• VCC: Connected to Arduino Mega 2560 5V.
• GND: Connected to Arduino Mega 2560 GND.
• SDA: Connected to Arduino Mega 2560 D20/SDA.
• SCL: Connected to Arduino Mega 2560 D21/SCL.

NTC Thermistor

• A0: Connected to Arduino Mega 2560 GND.
• A1: Connected to Arduino Mega 2560 A0.

USB Male 2 Pin Connection

• Positive +: Connected to Solar Charger Power Bank +.
• Negative -: Connected to Solar Charger Power Bank -.

Solar Charger Power Bank

• +: Connected to USB Male 2 Pin Connection Positive +.
• -: Connected to USB Male 2 Pin Connection Negative -.

LoRa Ra-02 SX1278

• 3.3V: Connected to Arduino Mega 2560 3V3.
• GND: Connected to Arduino Mega 2560 GND.
• SCK: Connected to Arduino Mega 2560 D52.
• MISO: Connected to Arduino Mega 2560 D50.
• RST: Connected to Arduino Mega 2560 D22.
• MOSI: Connected to Arduino Mega 2560 D51.
• NSS: Connected to Arduino Mega 2560 D23.
• DI00: Connected to Arduino Mega 2560 D2 PWM.

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 should be populated with initialization code in the setup() function and operational code in the loop() function to interact with the connected sensors and modules.