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ATmega-Basic: AVR Learning & GPS Tracker Project

Language Platform IDE

A collection of basic input-output programming examples for ATmega AVR microcontrollers, culminating in a Final Project: A standalone GPS Tracker System.

🛰️ Final Project: ATmega GPS Tracker

This project demonstrates a raw implementation of a GPS tracking system using an ATmega16 microcontroller. It parses NMEA sentences from a GPS module via UART and displays the coordinates (Latitude/Longitude) on a 16x2 LCD.

📸 Project Gallery

Hardware Setup LCD Output

⚡ Key Features

  • UART Communication: Reads raw serial data from the GPS Module.
  • NMEA Parsing: Extracts relevant coordinate data from standard GPS strings.
  • LCD Interfacing: Displays real-time location data on a 16x2 Character LCD without using heavy Arduino libraries.
  • Low Level C: Written in pure Embedded C for maximum efficiency.

📂 Source Code

👉 Click here to view the GPS Tracker Source Code

🛠️ Hardware Requirements

To replicate the examples and the final project, you will need:

  1. Microcontroller: ATmega16 / ATmega32 (or compatible Minimum System Board).
  2. Programmer: USBasp (recommended) or Arduino as ISP.
  3. GPS Module: Ublox NEO-6M / NEO-7M (for Final Project).
  4. Display: LCD 16x2 (HD44780 Controller).
  5. Basic Components: LEDs, Push Buttons, Breadboard, Jumper Wires.

💻 Software & Tools

  • IDE: Atmel Studio 7.0 (Microchip Studio).
  • Flasher: Khazama AVR Programmer (or AVRDUDE).
  • Drivers: Zadig (Required to install generic USB drivers for USBasp).

🚀 Getting Started

1. Setting up the Environment

Ensure your USBasp drivers are installed properly using Zadig.

  1. Plug in USBasp.
  2. Open Zadig.
  3. Select libusbK or libusb-win32 driver.
  4. Click "Install Driver".

2. Flashing the Code

You can compile the code in Atmel Studio to generate a .hex file.

  1. Open Khazama AVR Programmer.
  2. Select your chip (e.g., ATmega16).
  3. Load the .hex file generated from the project.
  4. Click Auto Program.

Tip: You can also use an Arduino board as a programmer by uploading the "ArduinoISP" sketch and connecting it via ICSP pins to the ATmega chip.

📚 Repository Structure

  • /Basic Examples - Simple LED blink and Button handling codes.
  • /Final Project - Full source code for the GPS Tracker.

🤝 Contributing

Feel free to open an issue or submit a pull request if you have suggestions to improve the NMEA parsing logic or hardware efficiency.

Created by Abdansb