Here you will know about A9G Module and how to make a Low Power SMS Based Vehicle Tracking System with A9G GSM+GPS Module and Arduino.

Features 🔴🟢 Two-channel LED control: One pin for red LEDs, one for green 💡 High-luminance output using 5mm or SMD 3528 LEDs 📟 Pattern customization via Arduino IDE (strobe/fade/blink) 🔌 USB ...