PyQt GUI: Low-Cost Oscilloscope & Signal Generator with Spectrum Analyzer | ESP32, Arduino Tutorial

Introducing a Low-Cost, High-Performance Oscilloscope System

An innovative solution combining a Serial Frequency Generator, Spectrum Analyzer, and Oscilloscope, built with PyQt5, ESP32, and Arduino Uno. Designed for embedded systems development, signal verification, and educational applications in analog electronics.
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🔑 Key Features
Dual-Domain Analysis: Real-time signal visualization in time and frequency domains with FFT for harmonic analysis.
Signal Generation: Create sine, square, and triangular waveforms with adjustable frequencies.
User-Friendly Interface: Interactive controls for pause/resume, save data, FFT toggle, and voltage scale adjustment.
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This project demonstrates how embedded systems can deliver high performance at a low cost. Future plans include exploring DSPs and FPGAs for advanced signal processing capabilities.
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📊 Video Highlights
0:00 - Intro
0:02 - Hardware Components
0:09 - Hardware Overview (ESP32, Arduino Uno setup)
0:30 - Live Simulation (Function Generator in action)
1:23 - Real-Time Analysis (Oscilloscope & Spectrum Analyzer integration)
2:34 - Case Study (FFT Harmonic Analysis)
3:16 - Key Features & Practical Applications
3:22 - Limitations & Future Enhancements
3:28 - Outro: Ask Questions & Subscribe!
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📎 Resources & Links
GitHub Repository: https://salhina.github.io/serial-freq...
Blog Post: http://nabilsalhicv.me.ht/how-i-built...
Tutorials: [In Progress]
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🔧 Materials List
ESP32: [Amazon](https://amzn.to/3Zc2BL5)
Arduino Uno: [Amazon](https://amzn.to/3Ctks8B)
Jumper Wires: [Amazon](https://amzn.to/3Z7Obwn)
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🌟 Stay Connected:
Subscribe for more tutorials:    / @salhi_nabil  
Explore my portfolio and blog: https://salhina.github.io/

🎯 Subscribe for more projects and tutorials on embedded systems, analog electronics, and signal processing!
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📌 Tags
#PyQt5 #Python #Arduino #ESP32 #SignalGenerator #Oscilloscope #SpectrumAnalyzer #signalanalyzer #EmbeddedSystems #AnalogElectronics #FourierTransform #DSP #FPGA #signalprocessing