Logo-ul Freelancer
Conectează-te Înregistrează-te
Postează un proiect

EXPLOREAZĂ

Circuit Design Electrical Engineering Electronics Microcontroller PCB Layout
Fotografia pentru coperta profilului
Avatarul utilizatorului

Cesar S.

@cmsivolella

annual-level-two.svgverified-v2.svg
5,0
17

5,2

5,2

96%

Embedded Systems Engineer | Hardware | Firmware

$15 USD/oră

・

Steagul

Uruguay (2:34 a.m.)

・

S-a alăturat pe decembrie 31, 2020

$15 USD/oră

・

⭐️⭐️⭐️⭐️⭐️ Embedded Systems Engineer with over 4 years of industry experience delivering complete, production-ready solutions in hardware design, firmware development, and product integration. As a freelance engineer, I’ve collaborated with startups and established companies to bring over 20 products to market across the consumer, industrial, and medical sectors. I work across the full product lifecycle — from early specification and prototyping to manufacturing support and field testing. My expertise spans custom PCB design, RTOS-based and bare-metal firmware, and embedded Linux systems, using technologies like Altium, STM32, nRF52, ESP32, FreeRTOS, Zephyr, and more. I also support clients with architecture decisions, hardware/firmware co-design, and design optimization for cost, manufacturability, and reliability. Relevant Skills: ●​ Hardware design and PCB development (Expert) -​ Custom PCB design: Rigid, Flex and Rigid-flex technologies. -​ EDA tools: Altium Designer, OrCAD and KiCAD. -​ System-level design and project planning. -​ Schematic capture and library management. -​ Multilayer layout design following IPC and industry best practices. -​ High-speed digital, mixed-signal, RF/wireless, and power electronics design. -​ Interfaces: DDR, LVDS, HDMI, SATA, USB, Ethernet. -​ Circuitry: DC-DC converters, MCU/MPU/SoCs, ADCs/DACs, sensors, etc. -​ Familiar with PCBA manufacturing/assembly requirements and DFM/DFT rules. ●​ MCU Firmware programming (Advanced) -​ Languages: C, C++, Rust, ARM Assembly. -​ IDEs and tooling: Eclipse-based, VSCode, bare-metal toolchains, Make/CMake. -​ Firmware architectures: Bare-metal, RTOS, HAL/LL APIs. -​ RTOS: FreeRTOS, Zephyr (hands-on experience). -​ Ecosystems: STM32 (HAL/LL), Espressif (ESP-IDF), Nordic (nRF SDKs). -​ Version control: Git and SVN. -​ Familiarity with MISRA C/C++ standards -​ Architectures: ARM Cortex-M/R, Xtensa (ESP32). -​ Driver development: I2C, SPI, UART, ADC, PWM, external ASICs. -​ Protocols & stacks: BLE, LoRaWAN, HTTPS, MQTT. ●​ Embedded Linux development (Intermediate) -​ Linux for custom hardware platforms (MPUs). -​ Yocto Project: Linux distribution configuration and build. -​ Device tree and kernel driver development (sensors, ASICs, etc.).-​ Application development in C, C++, Python, Rust. -​ ARM Cortex-A architecture familiarity. ●​ FPGA & HDL Development (Intermediate) -​ FPGA/SoC development using Verilog, SystemVerilog, and VHDL. -​ Platforms: Xilinx Spartan-7, Zynq-7000; Intel (Altera) Cyclone, MAX series. -​ Custom IP design and hardware/software integration. -​ Familiarity with AXI/AMBA bus architectures. If you’re interested in working with me, I’m available via Freelancer and will always answer your questions or requests promptly. Thank you for your time and have a great day.

Verificări

La timp

100 %

Conform bugetului

100 %

Rata de acceptare

93 %

Rata de angajare repetată

16 %

Freelancer Electronics Engineers Uruguay
Vezi toate opțiunile pentru Electronics Engineers din Uruguay

Portfoliu

Portfoliu

13622580
Developed a motor controller and power management system for an industrial device, integrating dual power inputs (AC adapter and battery backup), an onboard BLDC motor driver, and an nRF52840-based u-blox BLE module as the main MCU. Designed in Altium Designer, the full hardware lifecycle was covered: specification, architecture, schematic, PCB layout, release files, and fabrication through Eurocircuits, with remote-assisted testing and debugging.

nRF52840-based motor Controller PCB

Developed a motor controller and power management system for an industrial device, integrating dual power inputs (AC adapter and battery backup), an onboard BLDC motor driver, and an nRF52840-based u-blox BLE module as the main MCU. Designed in Altium Designer, the full hardware lifecycle was covered: specification, architecture, schematic, PCB layout, release files, and fabrication through Eurocircuits, with remote-assisted testing and debugging.

nRF52840-based motor Controller PCB

Developed a motor controller and power management system for an industrial device, integrating dual power inputs (AC adapter and battery backup), an onboard BLDC motor driver, and an nRF52840-based u-blox BLE module as the main MCU. Designed in Altium Designer, the full hardware lifecycle was covered: specification, architecture, schematic, PCB layout, release files, and fabrication through Eurocircuits, with remote-assisted testing and debugging.

nRF52840-based motor Controller PCB

Developed a motor controller and power management system for an industrial device, integrating dual power inputs (AC adapter and battery backup), an onboard BLDC motor driver, and an nRF52840-based u-blox BLE module as the main MCU. Designed in Altium Designer, the full hardware lifecycle was covered: specification, architecture, schematic, PCB layout, release files, and fabrication through Eurocircuits, with remote-assisted testing and debugging.

nRF52840-based motor Controller PCB

Developed a motor controller and power management system for an industrial device, integrating dual power inputs (AC adapter and battery backup), an onboard BLDC motor driver, and an nRF52840-based u-blox BLE module as the main MCU. Designed in Altium Designer, the full hardware lifecycle was covered: specification, architecture, schematic, PCB layout, release files, and fabrication through Eurocircuits, with remote-assisted testing and debugging.

nRF52840-based motor Controller PCB

Developed a motor controller and power management system for an industrial device, integrating dual power inputs (AC adapter and battery backup), an onboard BLDC motor driver, and an nRF52840-based u-blox BLE module as the main MCU. Designed in Altium Designer, the full hardware lifecycle was covered: specification, architecture, schematic, PCB layout, release files, and fabrication through Eurocircuits, with remote-assisted testing and debugging.

nRF52840-based motor Controller PCB

Developed a motor controller and power management system for an industrial device, integrating dual power inputs (AC adapter and battery backup), an onboard BLDC motor driver, and an nRF52840-based u-blox BLE module as the main MCU. Designed in Altium Designer, the full hardware lifecycle was covered: specification, architecture, schematic, PCB layout, release files, and fabrication through Eurocircuits, with remote-assisted testing and debugging.

nRF52840-based motor Controller PCB

Developed a motor controller and power management system for an industrial device, integrating dual power inputs (AC adapter and battery backup), an onboard BLDC motor driver, and an nRF52840-based u-blox BLE module as the main MCU. Designed in Altium Designer, the full hardware lifecycle was covered: specification, architecture, schematic, PCB layout, release files, and fabrication through Eurocircuits, with remote-assisted testing and debugging.

nRF52840-based motor Controller PCB

Developed a motor controller and power management system for an industrial device, integrating dual power inputs (AC adapter and battery backup), an onboard BLDC motor driver, and an nRF52840-based u-blox BLE module as the main MCU. Designed in Altium Designer, the full hardware lifecycle was covered: specification, architecture, schematic, PCB layout, release files, and fabrication through Eurocircuits, with remote-assisted testing and debugging.

nRF52840-based motor Controller PCB

Developed a motor controller and power management system for an industrial device, integrating dual power inputs (AC adapter and battery backup), an onboard BLDC motor driver, and an nRF52840-based u-blox BLE module as the main MCU. Designed in Altium Designer, the full hardware lifecycle was covered: specification, architecture, schematic, PCB layout, release files, and fabrication through Eurocircuits, with remote-assisted testing and debugging.

nRF52840-based motor Controller PCB

Developed a motor controller and power management system for an industrial device, integrating dual power inputs (AC adapter and battery backup), an onboard BLDC motor driver, and an nRF52840-based u-blox BLE module as the main MCU. Designed in Altium Designer, the full hardware lifecycle was covered: specification, architecture, schematic, PCB layout, release files, and fabrication through Eurocircuits, with remote-assisted testing and debugging.

nRF52840-based motor Controller PCB

Developed a motor controller and power management system for an industrial device, integrating dual power inputs (AC adapter and battery backup), an onboard BLDC motor driver, and an nRF52840-based u-blox BLE module as the main MCU. Designed in Altium Designer, the full hardware lifecycle was covered: specification, architecture, schematic, PCB layout, release files, and fabrication through Eurocircuits, with remote-assisted testing and debugging.

nRF52840-based motor Controller PCB

13622588
Designed an ultra low-power, battery-operated digital scale with STM32L051 MCU, achieving up to 3 years autonomy (2×AAA). Supports two simultaneous measurement channels, timestamps via an internal RTC, and transmits data using LoRa and sigfox. Developed in KiCad, the project covered the full lifecycle—specification, schematic, PCB layout, release files, fabrication via PCBWay, firmware development, and remote-assisted testing. Ideal for weight sensing in hard-to-access, low-connectivity environments.

Low-Power Digital Scale with RTC

Designed an ultra low-power, battery-operated digital scale with STM32L051 MCU, achieving up to 3 years autonomy (2×AAA). Supports two simultaneous measurement channels, timestamps via an internal RTC, and transmits data using LoRa and sigfox. Developed in KiCad, the project covered the full lifecycle—specification, schematic, PCB layout, release files, fabrication via PCBWay, firmware development, and remote-assisted testing. Ideal for weight sensing in hard-to-access, low-connectivity environments.

Low-Power Digital Scale with RTC

13622595
Developed a geo-localization device tailored for agriculture and livestock needs, featuring a Telit NE310H2 cellular modem (MQTT/HTTP(S)), Quectel LC76G GPS, ESP32-S3 for Wi-Fi/BLE, battery management, accelerometer, and USB 2.0. Designed in Altium CircuitMaker, the project covered the full product lifecycle—from specification and research to schematic, PCB layout, release files, fabrication, and remote-assisted testing/debugging.

Geo-localization System

13622600
Designed an irrigation system based on the ESP32-S3 SoC for greenhouse and crop automation. The board features 6 independent output channels for pumps, relays, and contactors, with three variants supporting 110–220Vac, 24Vac, and 12Vdc loads. It includes Wi-Fi, BLE, RS485, and I2C interfaces for sensor integration. Developed in KiCad V7, the project spanned the full product lifecycle—from specification, schematic, and PCB layout to release files, fabrication via JLCPCB, and remote-assisted testing/debugging.

ESP32-S3 Based Irrigation System

Designed an irrigation system based on the ESP32-S3 SoC for greenhouse and crop automation. The board features 6 independent output channels for pumps, relays, and contactors, with three variants supporting 110–220Vac, 24Vac, and 12Vdc loads. It includes Wi-Fi, BLE, RS485, and I2C interfaces for sensor integration. Developed in KiCad V7, the project spanned the full product lifecycle—from specification, schematic, and PCB layout to release files, fabrication via JLCPCB, and remote-assisted testing/debugging.

ESP32-S3 Based Irrigation System

Designed an irrigation system based on the ESP32-S3 SoC for greenhouse and crop automation. The board features 6 independent output channels for pumps, relays, and contactors, with three variants supporting 110–220Vac, 24Vac, and 12Vdc loads. It includes Wi-Fi, BLE, RS485, and I2C interfaces for sensor integration. Developed in KiCad V7, the project spanned the full product lifecycle—from specification, schematic, and PCB layout to release files, fabrication via JLCPCB, and remote-assisted testing/debugging.

ESP32-S3 Based Irrigation System

Designed an irrigation system based on the ESP32-S3 SoC for greenhouse and crop automation. The board features 6 independent output channels for pumps, relays, and contactors, with three variants supporting 110–220Vac, 24Vac, and 12Vdc loads. It includes Wi-Fi, BLE, RS485, and I2C interfaces for sensor integration. Developed in KiCad V7, the project spanned the full product lifecycle—from specification, schematic, and PCB layout to release files, fabrication via JLCPCB, and remote-assisted testing/debugging.

ESP32-S3 Based Irrigation System

13622609
Designed a CANBUS-controlled dual MOSFET switch board for automotive applications, capable of driving high-power loads such as pumps, motors, and amplifiers. Each channel supports up to 25A / 60V operation. Based on the STM32F042F4 MCU, the system interfaces directly with CANBUS to receive custom on/off commands. Developed in KiCad V7, the project covered the full hardware cycle—specification, schematic, PCB layout, release files, fabrication via PCBWay—meeting AEC-Q automotive standards.

CANBUS-Capable Dual MOSFET PCB

Designed a CANBUS-controlled dual MOSFET switch board for automotive applications, capable of driving high-power loads such as pumps, motors, and amplifiers. Each channel supports up to 25A / 60V operation. Based on the STM32F042F4 MCU, the system interfaces directly with CANBUS to receive custom on/off commands. Developed in KiCad V7, the project covered the full hardware cycle—specification, schematic, PCB layout, release files, fabrication via PCBWay—meeting AEC-Q automotive standards.

CANBUS-Capable Dual MOSFET PCB

Designed a CANBUS-controlled dual MOSFET switch board for automotive applications, capable of driving high-power loads such as pumps, motors, and amplifiers. Each channel supports up to 25A / 60V operation. Based on the STM32F042F4 MCU, the system interfaces directly with CANBUS to receive custom on/off commands. Developed in KiCad V7, the project covered the full hardware cycle—specification, schematic, PCB layout, release files, fabrication via PCBWay—meeting AEC-Q automotive standards.

CANBUS-Capable Dual MOSFET PCB

13622617
Developed a firmware application for a custom ESP32-S3-based automatic door controller. Built with Espressif IDF and FreeRTOS, it manages Wi-Fi communication with a mobile app, reads position sensors via CANBUS, and controls BLDC motors. Using VSCode, CMake, and the Espressif toolchain, the project included research, specifications, architecture, implementation, and debugging. The firmware successfully validated the first hardware prototype, enabling full sensor/actuator testing with robust debug logging.

ESP32-S3 FreeRTOS Application

13622580
Developed a motor controller and power management system for an industrial device, integrating dual power inputs (AC adapter and battery backup), an onboard BLDC motor driver, and an nRF52840-based u-blox BLE module as the main MCU. Designed in Altium Designer, the full hardware lifecycle was covered: specification, architecture, schematic, PCB layout, release files, and fabrication through Eurocircuits, with remote-assisted testing and debugging.

nRF52840-based motor Controller PCB

Developed a motor controller and power management system for an industrial device, integrating dual power inputs (AC adapter and battery backup), an onboard BLDC motor driver, and an nRF52840-based u-blox BLE module as the main MCU. Designed in Altium Designer, the full hardware lifecycle was covered: specification, architecture, schematic, PCB layout, release files, and fabrication through Eurocircuits, with remote-assisted testing and debugging.

nRF52840-based motor Controller PCB

Developed a motor controller and power management system for an industrial device, integrating dual power inputs (AC adapter and battery backup), an onboard BLDC motor driver, and an nRF52840-based u-blox BLE module as the main MCU. Designed in Altium Designer, the full hardware lifecycle was covered: specification, architecture, schematic, PCB layout, release files, and fabrication through Eurocircuits, with remote-assisted testing and debugging.

nRF52840-based motor Controller PCB

Developed a motor controller and power management system for an industrial device, integrating dual power inputs (AC adapter and battery backup), an onboard BLDC motor driver, and an nRF52840-based u-blox BLE module as the main MCU. Designed in Altium Designer, the full hardware lifecycle was covered: specification, architecture, schematic, PCB layout, release files, and fabrication through Eurocircuits, with remote-assisted testing and debugging.

nRF52840-based motor Controller PCB

Developed a motor controller and power management system for an industrial device, integrating dual power inputs (AC adapter and battery backup), an onboard BLDC motor driver, and an nRF52840-based u-blox BLE module as the main MCU. Designed in Altium Designer, the full hardware lifecycle was covered: specification, architecture, schematic, PCB layout, release files, and fabrication through Eurocircuits, with remote-assisted testing and debugging.

nRF52840-based motor Controller PCB

Developed a motor controller and power management system for an industrial device, integrating dual power inputs (AC adapter and battery backup), an onboard BLDC motor driver, and an nRF52840-based u-blox BLE module as the main MCU. Designed in Altium Designer, the full hardware lifecycle was covered: specification, architecture, schematic, PCB layout, release files, and fabrication through Eurocircuits, with remote-assisted testing and debugging.

nRF52840-based motor Controller PCB

Developed a motor controller and power management system for an industrial device, integrating dual power inputs (AC adapter and battery backup), an onboard BLDC motor driver, and an nRF52840-based u-blox BLE module as the main MCU. Designed in Altium Designer, the full hardware lifecycle was covered: specification, architecture, schematic, PCB layout, release files, and fabrication through Eurocircuits, with remote-assisted testing and debugging.

nRF52840-based motor Controller PCB

Developed a motor controller and power management system for an industrial device, integrating dual power inputs (AC adapter and battery backup), an onboard BLDC motor driver, and an nRF52840-based u-blox BLE module as the main MCU. Designed in Altium Designer, the full hardware lifecycle was covered: specification, architecture, schematic, PCB layout, release files, and fabrication through Eurocircuits, with remote-assisted testing and debugging.

nRF52840-based motor Controller PCB

Developed a motor controller and power management system for an industrial device, integrating dual power inputs (AC adapter and battery backup), an onboard BLDC motor driver, and an nRF52840-based u-blox BLE module as the main MCU. Designed in Altium Designer, the full hardware lifecycle was covered: specification, architecture, schematic, PCB layout, release files, and fabrication through Eurocircuits, with remote-assisted testing and debugging.

nRF52840-based motor Controller PCB

Developed a motor controller and power management system for an industrial device, integrating dual power inputs (AC adapter and battery backup), an onboard BLDC motor driver, and an nRF52840-based u-blox BLE module as the main MCU. Designed in Altium Designer, the full hardware lifecycle was covered: specification, architecture, schematic, PCB layout, release files, and fabrication through Eurocircuits, with remote-assisted testing and debugging.

nRF52840-based motor Controller PCB

Developed a motor controller and power management system for an industrial device, integrating dual power inputs (AC adapter and battery backup), an onboard BLDC motor driver, and an nRF52840-based u-blox BLE module as the main MCU. Designed in Altium Designer, the full hardware lifecycle was covered: specification, architecture, schematic, PCB layout, release files, and fabrication through Eurocircuits, with remote-assisted testing and debugging.

nRF52840-based motor Controller PCB

Developed a motor controller and power management system for an industrial device, integrating dual power inputs (AC adapter and battery backup), an onboard BLDC motor driver, and an nRF52840-based u-blox BLE module as the main MCU. Designed in Altium Designer, the full hardware lifecycle was covered: specification, architecture, schematic, PCB layout, release files, and fabrication through Eurocircuits, with remote-assisted testing and debugging.

nRF52840-based motor Controller PCB

13622588
Designed an ultra low-power, battery-operated digital scale with STM32L051 MCU, achieving up to 3 years autonomy (2×AAA). Supports two simultaneous measurement channels, timestamps via an internal RTC, and transmits data using LoRa and sigfox. Developed in KiCad, the project covered the full lifecycle—specification, schematic, PCB layout, release files, fabrication via PCBWay, firmware development, and remote-assisted testing. Ideal for weight sensing in hard-to-access, low-connectivity environments.

Low-Power Digital Scale with RTC

Designed an ultra low-power, battery-operated digital scale with STM32L051 MCU, achieving up to 3 years autonomy (2×AAA). Supports two simultaneous measurement channels, timestamps via an internal RTC, and transmits data using LoRa and sigfox. Developed in KiCad, the project covered the full lifecycle—specification, schematic, PCB layout, release files, fabrication via PCBWay, firmware development, and remote-assisted testing. Ideal for weight sensing in hard-to-access, low-connectivity environments.

Low-Power Digital Scale with RTC

13622595
Developed a geo-localization device tailored for agriculture and livestock needs, featuring a Telit NE310H2 cellular modem (MQTT/HTTP(S)), Quectel LC76G GPS, ESP32-S3 for Wi-Fi/BLE, battery management, accelerometer, and USB 2.0. Designed in Altium CircuitMaker, the project covered the full product lifecycle—from specification and research to schematic, PCB layout, release files, fabrication, and remote-assisted testing/debugging.

Geo-localization System

13622600
Designed an irrigation system based on the ESP32-S3 SoC for greenhouse and crop automation. The board features 6 independent output channels for pumps, relays, and contactors, with three variants supporting 110–220Vac, 24Vac, and 12Vdc loads. It includes Wi-Fi, BLE, RS485, and I2C interfaces for sensor integration. Developed in KiCad V7, the project spanned the full product lifecycle—from specification, schematic, and PCB layout to release files, fabrication via JLCPCB, and remote-assisted testing/debugging.

ESP32-S3 Based Irrigation System

Designed an irrigation system based on the ESP32-S3 SoC for greenhouse and crop automation. The board features 6 independent output channels for pumps, relays, and contactors, with three variants supporting 110–220Vac, 24Vac, and 12Vdc loads. It includes Wi-Fi, BLE, RS485, and I2C interfaces for sensor integration. Developed in KiCad V7, the project spanned the full product lifecycle—from specification, schematic, and PCB layout to release files, fabrication via JLCPCB, and remote-assisted testing/debugging.

ESP32-S3 Based Irrigation System

Designed an irrigation system based on the ESP32-S3 SoC for greenhouse and crop automation. The board features 6 independent output channels for pumps, relays, and contactors, with three variants supporting 110–220Vac, 24Vac, and 12Vdc loads. It includes Wi-Fi, BLE, RS485, and I2C interfaces for sensor integration. Developed in KiCad V7, the project spanned the full product lifecycle—from specification, schematic, and PCB layout to release files, fabrication via JLCPCB, and remote-assisted testing/debugging.

ESP32-S3 Based Irrigation System

Designed an irrigation system based on the ESP32-S3 SoC for greenhouse and crop automation. The board features 6 independent output channels for pumps, relays, and contactors, with three variants supporting 110–220Vac, 24Vac, and 12Vdc loads. It includes Wi-Fi, BLE, RS485, and I2C interfaces for sensor integration. Developed in KiCad V7, the project spanned the full product lifecycle—from specification, schematic, and PCB layout to release files, fabrication via JLCPCB, and remote-assisted testing/debugging.

ESP32-S3 Based Irrigation System

13622609
Designed a CANBUS-controlled dual MOSFET switch board for automotive applications, capable of driving high-power loads such as pumps, motors, and amplifiers. Each channel supports up to 25A / 60V operation. Based on the STM32F042F4 MCU, the system interfaces directly with CANBUS to receive custom on/off commands. Developed in KiCad V7, the project covered the full hardware cycle—specification, schematic, PCB layout, release files, fabrication via PCBWay—meeting AEC-Q automotive standards.

CANBUS-Capable Dual MOSFET PCB

Designed a CANBUS-controlled dual MOSFET switch board for automotive applications, capable of driving high-power loads such as pumps, motors, and amplifiers. Each channel supports up to 25A / 60V operation. Based on the STM32F042F4 MCU, the system interfaces directly with CANBUS to receive custom on/off commands. Developed in KiCad V7, the project covered the full hardware cycle—specification, schematic, PCB layout, release files, fabrication via PCBWay—meeting AEC-Q automotive standards.

CANBUS-Capable Dual MOSFET PCB

Designed a CANBUS-controlled dual MOSFET switch board for automotive applications, capable of driving high-power loads such as pumps, motors, and amplifiers. Each channel supports up to 25A / 60V operation. Based on the STM32F042F4 MCU, the system interfaces directly with CANBUS to receive custom on/off commands. Developed in KiCad V7, the project covered the full hardware cycle—specification, schematic, PCB layout, release files, fabrication via PCBWay—meeting AEC-Q automotive standards.

CANBUS-Capable Dual MOSFET PCB

13622617
Developed a firmware application for a custom ESP32-S3-based automatic door controller. Built with Espressif IDF and FreeRTOS, it manages Wi-Fi communication with a mobile app, reads position sensors via CANBUS, and controls BLDC motors. Using VSCode, CMake, and the Espressif toolchain, the project included research, specifications, architecture, implementation, and debugging. The firmware successfully validated the first hardware prototype, enabling full sensor/actuator testing with robust debug logging.

ESP32-S3 FreeRTOS Application

5.0 · 17 recenzii
Recenzii
A

SD card writing issue solving • $490 USD

I recently had the pleasure of working with Cesar S on a custom PCB design project, and I couldn't be more satisfied with the results. From start to finish, Cesar S demonstrated exceptional skill, professionalism, and a deep understanding of PCB design principles. Cesar S possesses a remarkable level of expertise in PCB design. Their ability to translate complex requirements into a cohesive and efficient design is truly impressive.

Adrian A.

@AdrianAchim01

•

Steagul

Montreal, Canada

•

2 ani în urmă

Trimite

Avatarul utilizatorului

Arduino Library Development for BQ34110 • £15 GBP

Working with Cesar has been great. Cesar has delivered a working solution, within budget and on time. I would have no hesitation recommending Cesar and look forward to working with him again.

Kenneth J.

@jewelltech0

•

Steagul

Deeside, United Kingdom

•

2 ani în urmă

Trimite

B

Kicad 7.02 Project Create Fills and Traces • $50 USD

Awesome no problems.

Vincent L.

@bigvinny

•

Steagul

Rochester, United States

•

3 ani în urmă

Trimite

Avatarul utilizatorului

BLE Observer -- 2 • $180 USD

Great at what he does and I had no issues communicating and getting the project done. Highly recommend him and his services

Yudhish K.

@Yudinz

•

Steagul

Auckland, New Zealand

•

3 ani în urmă

Trimite

Avatarul utilizatorului

PCB from Schematic (archived) • ₹11.000 INR

I had clearly asked for assurance that he would complete the project. Which he gave. But then quit the project midway.

Mohit M.

@m0h1tm

•

Steagul

Delhi, India

•

3 ani în urmă

Trimite

Experiență

Embedded System Engineer

mar., 2021 – Prezent

•

4 ani, 10 luni

Electronics Design Services

mar., 2021 - Prezent

•

4 ani, 10 luni

●​ Led and contributed to 20+ embedded product designs for clients in consumer, medical, and industrial sectors, from concept to market release. ●​ Designed hardware and firmware for microcontroller and SoC-based systems, using tools like Altium, KiCad, FreeRTOS and Zephyr. ●​ Participated in all product lifecycle stages, including specification, prototyping, manufacturing support, and final testing.

mar., 2021 – Prezent

•

4 ani, 10 luni

Integrated Circuits Layout Engineer

feb., 2020 - feb., 2021

•

12 luni

Allegro Microsystems LLC

feb., 2020 - feb., 2021

•

12 luni

●​ Joined the Analog Sensors Division layout team, contributing to magnetic sensor and power IC layout design using Cadence Virtuoso. ●​ Designed and verified analog and mixed-signal IC layouts, including placement, routing, and DRC/LVS verification. ●​ Collaborated closely with IC Designers, System Engineers, and Project Leads to define layout constraints, priorities, and review milestones.

feb., 2020 - feb., 2021

•

12 luni

Teaching Assistant – BBC micro:bit Outreach Program

aug., 2019 - feb., 2020

•

6 luni

Facultad de Ingeniería, UdelaR

aug., 2019 - feb., 2020

•

6 luni

●​ Guided and assisted undergraduate students in teaching school children how to use the BBC micro:bit for hands-on programming and electronics projects. ●​ Led and supervised multiple BBC micro:bit-based projects developed by undergraduate teams. ●​ Supported high school teachers in designing and executing electronic and microcontroller-based classroom projects.

aug., 2019 - feb., 2020

•

6 luni

Educație

Universidad de la República

2016 - 2023

•

7 ani

Bachelor of Engineering (BEng), Electronic engineering

Steagul

Uruguay

2016 - 2023

•

7 ani

Calificări

Mixed-Signal Hardware Design with KiCad

2025

Fedevel Academy

Course duration: 5h 20min Software used: KiCad V6 Course content: 1) System-Level Design 2) Part Selection 3) Understanding Datasheets 3) Power Supply Design 4) MCU and USB Circuitry 5) ADCs, DACs, and Analogue Circuitry 6) Symbol and Footprint Creation 7) Circuit Simulation with LTSpice 8) PCB Design, Layout, and Routing 9) Product Manufacturing.

2025

Advanced Hardware Design

2025

Fedevel Academy

Course duration: 10h 50min Software used: Altium Designer Course content: 1) Starting a new project 2) Schematic design 3) Selecting components and creating libraries 4) Footprints, 3D models, starting a new PCB 5) Variants & BOMs 6) Checking libraries and schematic 7) PCB layout & Placement 8) PCB layout & Impedances, stackup 9) Stackup, finishing PCB, length matching 10) Generating output documentation.

2025

Advanced PCB Layout

2025

Fedevel Academy

Course duration: 14h 55min Software used: Altium Designer Course content: 1) Placement 2) Basic Rules & Basic Stackup, Fanout under CPU, DDR3 preliminary layout 3) Board fanout, Planning Layout, Crosstalk, Impedances & Stackup 4) High Speed Design Rules & Routing, Layer ordering 5) Number of layers, Layout 6) Length matching, About memory routing, Polygons & Power Planes 7) Checking PCB, Length tuning, Finishing PCB, Generating & Checking gerber files.

2025

Publicații

Wirelessly programmable class-E

2023

IEEE

L. Díaz, M. Sivolella, P. Pérez-Nicoli, et al., “Wirelessly programmable class-E GaN-based 13.56 MHz transmitter for wireless power transfer,” in Proc. 2024 IEEE 15th Latin America Symposium on Circuits and Systems (LASCAS), Punta del Este, Uruguay, Feb. 27–Mar. 1, 2024, pp. 1–5. [Online]. Available: https://hdl.handle.net/20.500.12008/47577

2023

Patient imperceptible WPT

2020

IEEE

P. Pérez-Nicoli, M. Sivolella, N. Gammarano, et al., “Patient imperceptible WPT for wearable/implantable medical devices,” in Proc. XXXIVth URSI General Assembly and Scientific Symposium (URSI GASS), Rome, Italy, Aug. 28–Sep. 4, 2021. doi:10.23919/URSIGASS51995.2021.9560413

2020

Limits for increasing the WPT distance

2019

IEEE

P. Pérez-Nicoli, M. Sivolella, N. Gammarano, et al., “Limits for increasing the WPT distance in AIMDs,” in Proc. XXXIIIrd URSI General Assembly and Scientific Symposium (URSI GASS), Rome, Italy, Aug. 29–Sep. 5, 2020. doi: 10.23919/URSIGASS49373.2020.9232383

2019

Certificări

P

Preferred Freelancer Program SLA

Analog Electronics - Level 1

Analog Electronics

Logo-ul Freelancer Romania / Română
Ajutor și asistență

Freelancer

Categorii Proiecte Concursuri Freelanceri Programul Enterprise Provocări pentru inovare Dezvoltare pe bază de inteligență artificială Abonament Programul Freelancer preferat Gestionarea proiectului Proiecte locale Photo Anywhere Galeria de prezentare API-uri pentru dezvoltatori Solicită efectuarea unei verificări

Despre

Despre noi Ce presupune Securitate Investori Harta site-ului Relatări Știri Echipă Premii Comunicate de presă Cariere

Termeni

Politica de confidențialitate Termeni și condiții Politica privind drepturile de autor Cod de conduită Taxe și comisioane

Parteneri

Escrow.com LoadshiftWarrior Forum

Aplicații

Sigla Apple App StoreLogo-ul Google Play

Utilizatori înregistrați

Totalul proiectelor postate

Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)

Copyright © 2026 Freelancer Technology Pty Limited (ACN 142 189 759)