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ricsrdocasro/README.md

Hi there! 👋 I'm Ricardo de Castro

🚀 Master's Student in Electrical Engineering | FPGA & Embedded Systems Researcher | Hardware Designer

I am currently a Master's Student in Electrical Engineering in a Double Degree program between IPB (Portugal) and UTFPR (Brazil).

My research focuses on Biomedical Instrumentation, Analog Front-Ends, and Hardware-Level Signal Processing. I specialize in bridging the gap between analog sensors and digital processing, with a strong background in FPGA design (Verilog), PCB layout, and Low-Power IoT architectures.

Currently, I am working on my thesis: "High-Resolution 12-Lead ECG Acquisition Device", designing a custom hardware architecture for portable, clinical-grade biopotential monitoring.

💻 Technical Toolkit

Hardware Description & Firmware:

Verilog VHDL C C++ Python

Embedded Systems & IoT:

FPGA ESP32 RTOS LoRaWAN

Signal Processing & Connectivity:

MATLAB Node.js MQTT PCB Design

🔬 Current Research & Focus

  • Master's Thesis: Developing a portable, high-resolution 12-lead ECG system using the ADS129x Analog Front-End, focusing on signal integrity and wireless transmission[cite: 1].
  • FPGA & Digital Logic: Exploring hardware accelerators for signal pre-processing (Edge Computing) to reduce power consumption in wearable devices.
  • Low-Power IoT: Optimizing firmware for energy-constrained environments using LoRaWAN and deep-sleep algorithms.

📚 Selected Publications

🛠 Featured Projects

  • FPGA Digital Oscilloscope
    • Verilog implementation of a real-time oscilloscope on DE10-Lite. Features custom VGA driver logic, ADC interfacing, and waveform rendering.
  • ESP32 Universal IR Controller
    • IoT Smart Home device capable of capturing, decoding, and re-transmitting Infrared signals for legacy appliance automation.

🤝 Let's Connect!

Pinned Loading

  1. FPGA-Oscilloscope FPGA-Oscilloscope Public

    FPGA Oscilloscope using VGA output for a monitor built into a DE-10 Lite board

    Verilog

  2. ESP32-Universal-IR-Controller ESP32-Universal-IR-Controller Public

    This project enables an ESP32 to capture and replicate infrared (IR) signals from various remote controls. Utilizing the Arduino-IRremote library, the system can learn IR signals and retransmit the…

    C 1

  3. video-transcription-bot video-transcription-bot Public

    Bot originally created for Twitter that gathers video urls from mentions and tweets that the bot was mentioned in

    Python 1

  4. analysis-of-blood-types-data analysis-of-blood-types-data Public

    This is a notebook made for an analysis of blood types separated by country, the data here is completely for educational purposes and although official, are nevertheless insufficient for scientific…

    Jupyter Notebook

  5. selection_marquee selection_marquee Public

    A Flutter package for drag-to-select functionality with auto-scrolling and custom border styles.

    Dart 2

  6. C.R.I.S C.R.I.S Public

    C.R.I.S is a system made by César Oliveira Cohen that stores database of all the information of the Ordo Realitas agents, occultists, and documents for investigations.

    HTML