Motorcycle Anti-Theft GPS Tracker

Project Overview

Motorcycle theft is a major concern. This DIY tracker provides commercial-grade security at a fraction of the cost.

Components

• ESP32: Main controller with WiFi/BT
• NEO-6M GPS: Location tracking
• SIM800L: GSM/GPRS for alerts
• MPU6050: Motion detection
• 18650 Battery: 3.7V backup power
• TP4056: Battery charging

Assembly

// Wiring
ESP32 → NEO-6M GPS
VCC → 5V, GND → GND
TX → GPIO17, RX → GPIO16

ESP32 → SIM800L
VCC → 5V (2A capable)
GND → GND
TX → GPIO4, RX → GPIO5

ESP32 → MPU6050
VCC → 3.3V, GND → GND
SDA → GPIO21, SCL → GPIO22

Firmware

#include <TinyGPS++.h>
#include <HardwareSerial.h>

TinyGPSPlus gps;
HardwareSerial gpsSerial(1);

void checkMotion() {
  int16_t ax, ay, az;
  mpu.getAcceleration(&ax, &ay, &az);
  
  if (abs(ax) > THRESHOLD || abs(ay) > THRESHOLD) {
    sendAlert("Motion detected!");
    startTracking();
  }
}

void sendAlert(String message) {
  // Send SMS via SIM800L
  sim800l.print("AT+CMGS=\"+1234567890\"\r");
  sim800l.print(message);
  sim800l.write(0x1A);
}

Mobile App

Use Blynk or ThingSpeak for mobile dashboard:

• Live map with bike location
• Movement history trail
• Geofence setup
• Alert notifications
• Battery status