GND SCK DIO 3V SW BOOT0 NRST C13 PWR KEY 5V G 3.3 B10 B2 B1 B0 A7 A6 A5 A4 A3 A2 A1 A0 R C15 C14 C13 VB 5V 3.3 G B9 B8 B7 B6 B5 B4 B3 A15 A12 A11 A10 A9 A8 B15 B14 B13 B12 Rising Embedded Mx

About me

Octavio Raziel Güendulain Pérez

Electronic engineer with 4+ years of experience in embedded systems development. Linux user since 2008 and a general technology enthusiast. In his free time, he enjoys reading and cycling.

Embedded systems experience

Since 2019, Octavio has been working professionally in embedded systems.

Dextra Technologies a Deloitte business

Jan 2022 to Mar 2024, Software Engineer II Octavio was involved in two projects:

  • Cloud-based Device to Flash Microcontrollers (ECUs or Others)
    Setup and migration of a bootloader to flash a STM32H5 platform,enhancing system reliability and performance.
  • Brake Control ECU Project
    • Developed software for an automotive customer, focusing on optimizing functionality and ensuring compliance with industry standards.
    • Main activities included the implementation and maintenance of automotive software using C and other specific tools like Geny, CANoe, Candela, and Tresos.
    • Collaborated with cross-functional teams to address technical challenges and meet project deadlines effectively.

Dextra Technologies

Dec 2020 to Jan 2024, Embedded Developer Jr

  • BCM (Body Control Module) Project for Lights and Communications ECU
    • Implemented model layers and solutions for new requirements.
    • Worked with CAN and LIN protocols and tools to manage their databases.

CODE Ingeniería

May 2019 to May 2020, Programador Embebido. Research and development of embedded systems, focused on Linux and Android environments. In these projects, Octavio worked with NXP devices such as i.MX8 and i.MX6 SoCs. The main tools used were Yocto Project and Android sources to set up and configure embedded systems for diverse applications and customers. Specific tasks included:

  • Configured and adapted display and touchpad drivers for Sabre SD board-based hardware.
  • Calibrated RAM and Flash memory for an i.MX6-based device.
  • Supported a customer in using and configuring the NXP eCockpit system.
  • Researched and supported customers in using the SCFW (System Controller Firmware) on NXP i.MX8QM and i.MX8QX based development boards.

Professional experience in IT support and maintance.

Comercializadora de equipos de energía Renovables

Dec 2018 to Apr 2019, Photovoltaic Systems Installer.
His main functions were:

  • Conducting technical field studies.
  • Calculating and balancing electric loads.
  • Designing solar panel arrangements.
  • Performing electrical installations (piping, wiring, connections).
  • Installing photovoltaic panels.

Autopista Mitla - Tehuantepec

May 2018 to Dec 2018, Electromechanical Technician.
As a technician, the main functions included:

  • Conducting preventive and corrective maintenance on Traffic Control Equipment, utilizing ATMEGA microcontrollers.
  • Performing maintenance on emergency power systems.
  • Carrying out electrical installations.
  • Repairing electronic devices.
  • Installing telecommunications equipment.
  • Monitoring data servers, video surveillance, and user software systems.

Industrias OLIN

May 2017 - April 2018, Systems Engineer.

  • Conducted repairs and maintenance on computer equipment and various electronic devices.
  • Authored and edited a course for programming ATMEL microcontrollers using assembly language and C.
  • Provided sales and technical consultation on electronic components, primarily modules for Arduino boards.

LaTeX Editor

Sep 2017 to Mar 2018, Freelancer in upwork.

  • Edited and digitized academic documents focused on mathematics education using open-source software tools such as LaTeX, Geogebra, and Inkscape.

Universidad Del Mar, Campus Puerto Escondido

Aug 2015 to Mar 2017, Computer Network Technician.
During this time, the work involved providing technical support in the area of Networks at the University of the Sea, Puerto Escondido campus, performing activities such as:

  • Installation of operating systems and software.
  • Installation and maintenance of hardware.
  • Diagnosis and repair of printers, plotters, lighting fixtures, and various electronic devices.
  • User assistance on various topics.
  • Writing manuals and support guides.
  • Administration of Linux and Windows servers for email, cache, databases, IPTables, and performing backups.

Education

Universidad Tecnológica de la Mixteca

Huajuapan de León, Oaxaca - Electronic Engineer Bachelor’s degree. AUGUST 2010 - JULY 2015

Skills

Programmin Languages

Since 2009, when Octavio started coding in C, he has worked with various languages:

  • C/C++: 4 years as a professional.
  • Python: 1 year with personal projects and modification of scripts in some projects like python-can.
  • Bash: 3 years automating routines in Linux in his technician jobs and configuring Linux running on embedded systems.
  • Java: 2 years as a student, creating simple applications for personal projects.
  • LaTeX: 5 years for student and personal documentation, and 1 year professionally as a part-time freelancer.
  • Markdown: 8 months, used for writing this site and documenting GitHub projects.

Automotive tools

  • Autosar: 1 year adding ports and managing can databases (messages and signals), Diagnostic trouble codes (DTC), and gateways.
  • Vector tools
    • CAN-DB and LDF management: 3 years.
    • Geny: 2 years.
    • CANoe: 3 years.
    • CANdela: 2 years.
  • Tresos: 1 years.
  • Unit testing (using SWATT), 2 years.
  • MISRA, 2 years.
  • UDS Diagnostic Services, 2 years.

Linux, distros and tools

  • Linux distrubutions
    • Ubuntu: 10 years as user.
    • Fedora: 12 years as user.
    • Mint: 3 years.
    • Debian: 3 years.
    • Raspberry Pi OS/ Raspbian: 1 year.
  • Linux related software
    • Docker: 6 monts
    • Linux terminal: 10+ years
    • Vi: 5 years
    • Meld
    • FileZilla
  • Yocto Project
    • Construct systems for NXP, TI, and Rapberry Pi 4 devices.

Debugging tools

  • J-link: 1 year. Used with NXP devices
  • GDB, GNU Debugger: 3 years. Running in Eclipe environments with STM, TI and Atmel/microchips IDEs
  • WinIdea: 3 years. To debug ECU devices.

Control version and administrative tools

  • Git, 3 years
  • Jira, 3 years
  • SVN, 1 year
  • IBM IMS tool, 3 years

Integradet Development Environment (IDE)

  • Eclipse (IDEAS, STMCubeIDE, Code Composer Studio, Microchip Studio)
  • VS Code
  • KDevelop
  • TEXMaker, TeXstudio

Network & IT services

  • Hardware
    • Network architecure Wiring, RJ45 & RJ11.
    • Routers and witches configuration.
    • Building and maintaining PCs and laptops
      • Checking requirements to buils a PC.
        • Motherboard
        • RAM
        • Hard disks
        • Graphics cards
      • Laptop hardware maintenance and repair.
    • Printers installation and maintenance.
  • Software
    • Wireshark software.
    • Mount Asterisk servers.
    • Secure Shell Protocol (SSH).
    • Mount SFTP servers and clientes.
    • Mount HTTP servers with Apache .
    • Jekyll (this blog is developed with it).

Mechanical and electrical tools

  • Electronic/Lab tools: Soldering iron, moto tool (Dremel), microscopes, oscilloscopes, logic analyzers, power source, electronic load.
  • Electric tools: Hammer drill, Jigsaw, vacuum cleaner, grinder.
  • Mechanical tools: Hammer, Screwdrivers, pliers, wrenches, crowbars, machetes, axes and anothers.

Courses

From edX.org

  • UT.6.10x: Embedded Systems - Shape The World: Microcontroller Input/Output, THE UNIVERSITY of TEXAS SYSTEM.
    Certificate of Achievement: 2cd21b17d58e454baa5489e40c4d088f

From Udemy

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