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Cesar-8A/README.md

👋 Hi, I'm Cesar Ochoa

I'm an Engineer with a strong background in electronics, embedded systems/firmware, and AI/Data Science. I enjoy building end-to-end solutions. Here you'll find more about my projects and experience.

📍 Guadalajara, Mexico · Spanish/English · ✉️ cesaralbertoochoaavila1@hotmail.com · 🔗 LinkedIn


🧭 Quick Navigation


⚡ Electronics

Focus: power management, analog/digital circuits, schematic capture, PCB layout, prototyping, and testing.

Highlights

  • Power Analysis on PCBs (Impedance analysis, DC analysis, Board modeling thorugh HSpice)
  • Validation of VRs (buck, LDO) and power distribution networks (PDN): efficiency, DC regulation, load transients.
  • Testing on the Intel Data Center Xeon platform.
  • Design and validation of electronic instruments (multimeter) and measurement systems.

Sample Projects

  • Electronic Multimeter Design — firmware (bare-metal C) + hardware on PIC16F887.
  • Greenhouse Control (A/D) — I²C/UART (RS‑232) drivers and modular design.
  • PCB for general purpose — Altium Designer + STM32C031C6T6 MCU considerations

Tech stack Allegro CAD · Allegro CAD · Matlab · Oscilloscopes/SMU · PDN/VR validation · I²C · SPI · UART

View all Electronics repos → https://github.com/Cesar-8A?tab=repositories&q=topic%3Aelectronics


🔧 Embedded Systems / Firmware

Focus: C/C++, bare-metal, RTOS, communication protocols, MCU bring‑up (STM32, PIC).

Key Projects

  • Arcade Game (STM32F429I-Disc) — RTOS-based arcade game using the integrated accelerometer for motion control.
  • Greenhouse Embedded Drivers — Control and telemetry via I²C and UART.

Skills C / C++ · Bare-metal · RTOS · STM32CubeIDE · Keil uVision · VHDL/Verilog (basic) · Git

View all Embedded repos → https://github.com/Cesar-8A?tab=repositories&q=topic%3Aembedded


🤖 AI / Data Science

Focus: medical computer vision, biosignal classification (ECG), RAG for document synthesis, feature engineering, and optimization.

Key Projects

  • Surgical Assistance AI for Transpedicular Screw Fixation (2024) — U‑Net‑like model for segmentation/planning; validated with the Neurosurgery department at Hospital Civil Fray Antonio Alcalde (Guadalajara).
  • Skin Cancer (HAM10000) — CNN with augmentation, standardization, and balancing.
  • Arrhythmia (PhysioNet) — CNN with ECG segmentation, noise filtering, and normalization.
  • House Prices — Random Forests for regression.

Skills Python · TensorFlow/Keras · R · SQL · MongoDB · Data Pipelines · Optimization · RAG

View all AI/DS repos → https://github.com/Cesar-8A?tab=repositories&q=topic%3Aai-data-science


💼 Experience

Intel — Guadalajara Design Center Talent Development • Power Integrity Engineer Apr 2024 – Apr 2025

  • Simulated PDNs and validated voltage regulators (buck, LDO) with design adjustment goals.
  • Multiphase and point-of-load testing: efficiency, DC regulation, transient response.
  • Power validation on first silicon for the Data Center Xeon platform.

🎓 Education

CUCEI, University of Guadalajara — B.Sc., Biomedical Engineering Aug 2020 – Dec 2024

All academic requirements completed. Degree conferral in progress. Official documentation available upon request.


📄 Publications

  • Design and Implementation in FPGA a Random Number Generator of 10 bits validated by NIST Maurer’s “Universal Statistical” and Binary Matrix Rank tests. ICMEAE 2022. Role: VHDL design, FPGA debugging, schematics. Paper Link

🧰 Skills (summary)

  • Languages: C/C++, Python, R, VHDL, SQL, MongoDB
  • Tools: Matlab, STM32CubeIDE, Keil uVision, Git, Allegro CAD, Jira
  • Protocols: I²C, SPI, UART (RS‑232, RS485)
  • Languages: Spanish / English

✉️ Contact


Popular repositories Loading

  1. PIC16F887-MODULE-DRIVERS PIC16F887-MODULE-DRIVERS Public

    I2C, PWM, EUSART. Also a driver for using: LCD 16x2 display, RTC DS1307, 4x4 matrix Keyboard in PIC16f887. No extern libraries used.

    C 2 1

  2. DL-2022 DL-2022 Public

    Jupyter Notebook

  3. Skin-Cancer-CNN-Model-HAM10000 Skin-Cancer-CNN-Model-HAM10000 Public

    Creating a CNN model with HAM10000 dataset.

    Jupyter Notebook

  4. Arrythmia_CNN_Pytorch Arrythmia_CNN_Pytorch Public

    A simple Arrythmia model using Physionet MIT-BIH Arrhythmia Database

    Jupyter Notebook

  5. GREENHOUSE-WITH-LOW-POWER-MICROCONTROLLER GREENHOUSE-WITH-LOW-POWER-MICROCONTROLLER Public

    this is a greenhouse using pic16f887 (no extern libraries or drivers used)

    C

  6. microsoft_learn microsoft_learn Public