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$20 USD / hour
Flag of COLOMBIA
medellín, colombia
$20 USD / hour
It's currently 8:29 AM here
Joined June 6, 2014
0 Recommendations

Maryam Del Mar C.

@mardelmariam

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$20 USD / hour
Flag of COLOMBIA
medellín, colombia
$20 USD / hour
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PCBs, Embedded systems, Firmware & Computer vision

Hi! My name is Maryam. I'm a seasoned embedded systems engineer with a rich background in signal processing, firmware development, hardware architectures and computer vision. I've honed my skills in both academic and practical settings. I've contributed to academic papers, patent applications, partnerships and commercial products, underscoring my capability to participate in projects from conception to marked-ready products. These are my core skills: ⭐ Design of PCBs, with emphasis on analog and digital signal processing ⭐ Hardware and firmware debugging ⭐ C/C++/Python for embedded systems ⭐ Computer vision algorithms As a freelancer, I provide the following services: ❇️ Schematic design, tailored to analog and digital signal processing ❇️ PCB Design (1/2/4 layers) ❇️ FPGA prototyping and programming ❇️ C/C++ programming for microcontrollers and microprocessors ❇️ C implementation of complex algorithms ❇️ Signal and image processing on embedded systems ❇️ Image patterns and object detection algorithms Why you might want to hire me: ✴️ Assistance on PCB fabrication ✴️ Unique hardware design methodology to minimize workflow frustation and issues ✴️ Support after project completion ✴️ Proven experience that has contributed to successful results in the form of tangible products ✴️ Have you turned to others in order to solve any hardware and firmware issues? Was the outcome unsuccessful? I can help you to solve your issue! Here's my current technology stack: ? Hardware description languages: VHDL, Verilog ? EDA Tools: EagleCAD, KiCad, NI Multisim ? Programming languages: Assembly, C, C++, Python ? FPGAs: Xilinx Spartan, Xilinx Arty SoCs ? Microcontrollers and microprocessors: Microchip PIC and PIC32, Texas Instruments, ESP32 ? Reduced computer boards: Raspberry Pi 3/4 ? Communication protocols: RS232, RS485, I2C, SPI, WiFi, Bluetooth ? Electrical equipment: Multimeters, oscilloscopes, signal generators, logic analyzers, serial and JTAG debuggers ? Computer vision: Python, OpenCV, Scipy, Sklearn, Numpy, Tensorflow ? Operating systems: Windows, Linux, Embedded Linux, Zephyr RTOS ? CI/CD processes: Git, Docker, Github Actions Check my Github at @mardelmariam and my Linkedin at @mdelmarcorrea

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Portfolio

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Experience

Data Engineer

Incolmotos Yamaha
Mar 2023 - Feb 2024 (11 months, 1 day)
Development and mainteinance of scheduled tasks related to ETL processes implemented with Python, many of them belonging to the data ingestion processes. Elaboration of an electronic board with an Espressif ESP32-S3 microprocessor to measure and monitor electrical variables from equipment operating with 110 V power supply lines, as a part of a project about energy efficiency. Code refactorization of data processing algorithm that encapsulates the motorcycles dispatches algorithm.

Electronics Technology Expert

Servicio Nacional de Aprendizaje (SENA)
Sep 2020 - Dec 2022 (2 years, 3 months)
Consulting and co-development of projects related to prototypes and minimum viable products that required: * Design, fabrication, assembly and testing of printed circuit boards * Programming Espressif ESP32 microprocessors and Raspberry Pi boards * Image pattern detection and feature extraction * Making scripting and driver assets for Unity 3D For entrepreneurs, startups and established companies.

Embedded Systems Engineer

VTSAS
Sep 2019 - Sep 2020 (1 year)
Leaded a team for the elaboration of two electromagnetic human computer interfaces that capture dynamic hand gestures, by using the scaling of electric field arrays of capacitive electrodes. One of them is targeted to short range moves and touch detection, whereas the other is targeted to long range moves. During this project, a machine learning project was developed. The detection of dynamic hand gestures was achieved with hidden Markov models and feature extraction techniques.

Education

Master in Engineering, Optics Area

Universidad Pontificia Bolivariana, Colombia 2014 - 2016
(2 years)

Electronics Engineer

Universidad Pontificia Bolivariana, Colombia 2005 - 2011
(6 years)

Qualifications

DeepLearning.ai Tensorflow Developer

Coursera
2021
https://www.coursera.org/account/accomplishments/specialization/certificate/3ZLEGSG3XUX6

Deep Learning Program

DeepLearning.ai
2019
https://www.coursera.org/account/accomplishments/specialization/7X82E55LZ28D

Publications

My experience as both an Eagle Cad and a KiCad user

Linkedin
https://www.linkedin.com/pulse/mi-experiencia-como-usuaria-de-kicad-maryam-del-mar-correa/

Quantitative approach in iron oxides and oxyhydroxides by vibrational analysis

Óptica pura y aplicada
https://doi.org/10.7149/OPA.45.3.269

Characterization and optimization of an optical and electronic architecture for photon counting

IOP Publishing
https://iopscience.iop.org/article/10.1088/1742-6596/1002/1/012002

A time domain pulse amplitude and width discrimination method for photon counting

Metrology and measuring systems
https://journals.pan.pl/dlibra/publication/119557/edition/104023/content

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