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Full 8-bit Logic Analyzer

Overview

This project presents a Full 8-bit Logic Analyzer with USB interfacing, utilizing an AVR ATMega32 microcontroller and a Python-based GUI application using Custom Tkinter. Designed to capture and analyze digital signals in real-time, this tool is essential for electronics enthusiasts and professionals who require detailed signal analysis.

Features

  • Real-Time Signal Plotting: Captures digital signals from a signal generator and plots them on a Python GUI application.
  • Microcontroller-Based Sampling: Utilizes the AVR ATMega32's PORT A to input 8 digital signals, which are then analyzed and timestamped.
  • Serial Communication: Employs UART for data transmission between the microcontroller and the PC.
  • Dynamic Sampling Rate: The GUI application can adjust the sampling rate, providing two-way communication with the hardware for time scaling.
  • Frequency and Pulse Width Calculations: Ensures accurate representation of signals by calculating average frequency and pulse width.

How It Works

  1. A Signal Generator outputs a square wave to 8 channels.
  2. The microcontroller continuously receives this output through PORT A.
  3. It monitors, samples, and timestamps the signal states.
  4. Data is sent to the PC via a Serial UART Module (USB to TTL).
  5. The USB to TTL converter adjusts logic levels for USB compatibility.
  6. The PC application plots the signals and calculates relevant metrics.