Circuit Documentation

Summary

This document provides a detailed overview of a circuit that integrates various components including Arduino Nano microcontrollers, a GPS module, an MPU6050 sensor, WS2812 RGB LED strips, a SIM 800L GSM module, a Bluetooth module, a power supply unit, and Li-ion batteries. The circuit is designed to perform multiple functions such as GPS tracking, motion sensing, and wireless communication.

Component List

Arduino Nano

• Description: A small, complete, and breadboard-friendly board based on the ATmega328P.
• Pins: D1/TX, D0/RX, RESET, GND, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11/MOSI, D12/MISO, VIN, 5V, A7, A6, A5, A4, A3, A2, A1, A0, AREF, 3V3, D13/SCK

GPS NEO 6M

• Description: A GPS module used for tracking and navigation.
• Pins: VCC, RX, TX, GND

WS2812 RGB LED strip

• Description: An addressable RGB LED strip.
• Pins: DIN, 5V, GND, DO

MPU6050

• Description: A 6-axis motion tracking device that combines a 3-axis gyroscope and a 3-axis accelerometer.
• Pins: vcc, gnd, scl, sda, xda, xcl, AD0, int, 3.3v

SIM 800L V2.0 GSM

• Description: A GSM module for wireless communication.
• Pins: SIM_TXD, VDD, SIM.RXD, 5V/4V, GND, RST

HC-05 Bluetooth Module

• Description: A Bluetooth module for wireless communication.
• Pins: Key, VCC, TXD, RXD, State, GND

5V PSU

• Description: A 5V power supply unit.
• Pins: 5V+, GND, 5V OK, PE, N, L

Li-ion battery 18650-2000mAh 3.7V 7.4WH

• Description: A rechargeable Li-ion battery.
• Pins: +, -

TP4056

• Description: A lithium battery charger module.
• Pins: OUT-, B-, B+, OUT+, IN-, IN+

Wiring Details

Arduino Nano

• D10 connected to MPU6050 sda
• D9 connected to MPU6050 scl
• D8 connected to GPS NEO 6M TX
• D7 connected to GPS NEO 6M RX
• D4 connected to SIM 800L V2.0 GSM SIM.RXD
• D3 connected to SIM 800L V2.0 GSM SIM_TXD
• 5V connected to TP4056 OUT+, GPS NEO 6M VCC, MPU6050 vcc, WS2812 RGB LED strip 5V, HC-05 Bluetooth Module VCC
• GND connected to TP4056 OUT-, GPS NEO 6M GND, MPU6050 gnd, SIM 800L V2.0 GSM GND, WS2812 RGB LED strip GND, HC-05 Bluetooth Module GND

GPS NEO 6M

• TX connected to Arduino Nano D8
• RX connected to Arduino Nano D7
• VCC connected to Arduino Nano 5V
• GND connected to Arduino Nano GND

WS2812 RGB LED strip

• DIN connected to WS2812 RGB LED strip DO
• 5V connected to Arduino Nano 5V
• GND connected to Arduino Nano GND
• DO connected to WS2812 RGB LED strip DIN

MPU6050

• sda connected to Arduino Nano D10
• scl connected to Arduino Nano D9
• vcc connected to Arduino Nano 5V
• gnd connected to Arduino Nano GND

SIM 800L V2.0 GSM

• SIM.RXD connected to Arduino Nano D4
• SIM_TXD connected to Arduino Nano D3
• 5V/4V connected to 5V PSU 5V+
• GND connected to 5V PSU GND

HC-05 Bluetooth Module

• TXD connected to Arduino Nano D0/RX
• RXD connected to Arduino Nano D1/TX
• VCC connected to Arduino Nano 5V
• GND connected to Arduino Nano GND

5V PSU

• 5V+ connected to SIM 800L V2.0 GSM 5V/4V
• GND connected to SIM 800L V2.0 GSM GND

Li-ion battery 18650-2000mAh 3.7V 7.4WH

• + connected to TP4056 B+
• - connected to TP4056 B-

TP4056

• OUT+ connected to Arduino Nano 5V
• OUT- connected to Arduino Nano GND
• B+ connected to Li-ion battery 18650-2000mAh 3.7V 7.4WH +
• B- connected to Li-ion battery 18650-2000mAh 3.7V 7.4WH -

Documented Code

Arduino Nano (Instance 1)

File Name: sketch.ino

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

}

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

}

Arduino Nano (Instance 2)

File Name: sketch.ino

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

}

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

}

This documentation provides a comprehensive overview of the circuit, including the components used, their wiring details, and the code for the microcontrollers.