Embedded Engineers zum Anheuern
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Gesponserte Freelancer
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DearSir, My background is related with: -Digital Motor Control -Analog Design -Electronic Design -PowerElectronics -Renewable energy -PCB design -Embedded system -Matlab -Simulation of hardware For each concept descriptions are as follows: Digital Motor Control: -3-phase induction motor vector control drive -Flux...DearSir, My background is related with: -Digital Motor Control -Analog Design -Electronic Design -PowerElectronics -Renewable energy -PCB design -Embedded system -Matlab -Simulation of hardware For each concept descriptions are as follows: Digital Motor Control: -3-phase induction motor vector control drive -Flux estimation algoritm generation -DSP(TMS320) implementation on motor drive -Low speed application -Torque and speed loop generation -Control algoritms -BLDC motor -Step motor -DC motor Analog design -Low power distribution -Noissless special opamp based analog circuits -Analog filters -Orcad simulation of several circuits Electronic Design -RF transmitter and receiver -Bluetooh reade rand transmitter -Magneticreader PowerElectronics -Implementation motor drive -AC/DC converter -DC-DC converter -Battery charger -Solar inverter -Renewable Energy -Uninterruptle power supplies PCB design -Schematic design by Altium -PCB design by Altium -Power board design -SMPS board design -Easyeda -CAD files of manufacturers Embedded system -ESP32,ESP8266,modules -Bluetooth and Wifi -PIC18,PIC24,PIC30 and dsPIC applications -Ardino -MSP430 -Atmel -DSP(Texas Instruments) -Renesas -STM32 -C2000 Matlab -Power Electronics simulation -Motor drive -WindEnergy -Solar Energy -Control applications Simulation of Hardware -Orcad Simulation (TI,National, LinearTech, Maximlibraries) -LTI -National -Matlab -Easyeda weniger
macroenergy
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oleksandrt68 oleksandrt68
$45 USD / Stunde
Electronics | Embedded Systems | IoT | RF&AntennaUkraine🔧 Electrical & Electronics Engineer | Embedded Systems | Power & Control | IoT | PLC | RF & Antenna I help companies/individuals design, develop, and deploy robust electrical and embedded solutions—from PCB design and firmware development to power systems, IoT integration, and compliance-ready documentation. With 8+...🔧 Electrical & Electronics Engineer | Embedded Systems | Power & Control | IoT | PLC | RF & Antenna I help companies/individuals design, develop, and deploy robust electrical and embedded solutions—from PCB design and firmware development to power systems, IoT integration, and compliance-ready documentation. With 8+ years of experience in electronics engineering and embedded systems, I bring deep technical expertise and a hands-on approach to every project. ✅ Core Services PCB Design & Circuit Development Schematic capture, multi-layer PCB layout, signal integrity, and manufacturing-ready Gerber files. Tools: Altium, KiCad, Eagle, EasyEDA. Embedded Systems & Firmware Custom firmware for STM32, ESP32, Arduino, and ARM Cortex-based boards. RTOS, interrupt handling, I2C/SPI/UART/ADC, BLE & Wi-Fi protocols. Power Electronics & Battery Management DC-DC converters, BMS (Battery Management Systems), inverter designs, and charger integration for Li-ion, LFP, and solar-powered systems. IoT & Wireless Solutions Sensor-based systems with real-time wireless data transmission via LoRa, BLE, Wi-Fi, and GSM. Cloud integrations with MQTT, Firebase, and REST APIs. RF circuit design for BLE, LoRa, Wi-Fi, GSM, ISM band devices Custom antennas (patch, dipole, monopole, fractal) Matching networks, impedance tuning, VNA testing, EMI/EMC compliance Automation & Control Systems Custom control panels, PLC alternatives, smart switching circuits, motor drivers, and analog/digital feedback control loops. Simulation & Analysis Circuit simulation (LTspice, PSpice), power analysis, EMI/EMC considerations, and thermal management. 🧰 Tech Toolbox Design Tools: Altium Designer, KiCad, Eagle, OrCAD, EasyEDA Simulation & Modeling: LTspice, PSpice, MATLAB/Simulink Microcontrollers: STM32, ESP32, AVR, TI MSP430, Arduino Communication Protocols: BLE, Wi-Fi, LoRa, MQTT, Modbus, RS232, I2C, SPI, UART, UDP Programming Languages: C, C++, Embedded C, MicroPython Testing & Measurement: Oscilloscope, Logic Analyzer, Multimeter, Signal Generator Standards & Compliance: DFM, EMI/EMC Best Practices, ISO/IEC Specifications I will be happy to help translate your ideas into reality. weniger
oleksandrt68
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DOMO Integral Solutions has the main purpose to integrate solutions created by a multidisciplinary team to completely fill the client's needs. Our activities include development, testing, manufacturing, and prototyping. We combine almost 25 years of experience in different areas of industry, such as automotive...DOMO Integral Solutions has the main purpose to integrate solutions created by a multidisciplinary team to completely fill the client's needs. Our activities include development, testing, manufacturing, and prototyping. We combine almost 25 years of experience in different areas of industry, such as automotive development, PCB manufacture, drone design, telecommunications, business management, etc. Nowadays our job consists of combining both sides (technical and management), being responsible for people, and achieving goals for projects, always maintaining high standards of quality. weniger
A5Alberto
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⭐️⭐️⭐️⭐️⭐️ 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...⭐️⭐️⭐️⭐️⭐️ 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. weniger
cmsivolella
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Thank you for visiting my profile. I am a Japanese senior software engineer. I work across IoT, embedded systems, firmware, web, and mobile. I like simple plans, small milestones, and steady delivery. My style is calm and precise. I do not overpromise. I design and ship real products end-to-end ( IoT + Firmware +...Thank you for visiting my profile. I am a Japanese senior software engineer. I work across IoT, embedded systems, firmware, web, and mobile. I like simple plans, small milestones, and steady delivery. My style is calm and precise. I do not overpromise. I design and ship real products end-to-end ( IoT + Firmware + Apps. From sensor to dashboard, clean and reliable. ) : * Firmware – ESP32/STM32/Arduino, FreeRTOS, BLE/Wi-Fi, sensors, OTA * Embedded Linux – Raspberry Pi setup, services, device I/O * Electronics bring-up – pin assignment, drivers, test firmware, basic PCB tweaks * Web dashboards – React/Next.js, charts, auth, APIs * IoT backends – Node.js, MQTT, AWS IoT/Azure IoT, alerting * Mobile apps – React Native/Flutter with BLE/Wi-Fi device control * QA & Docs – test plans, acceptance criteria, handover training # Tech Stacks I will provide : * Firmware: C/C++, ESP-IDF, STM32 HAL/LL, FreeRTOS, OTA, drivers * Embedded Linux: Raspberry Pi, Python/C++, systemd, Bash * Protocols: BLE, Wi-Fi, MQTT, Modbus, CAN (basic), REST/WebSocket * Web: React, Next.js, TypeScript, Node.js, Express, PostgreSQL * Mobile: React Native, Flutter, Bluetooth integrations * Cloud/DevOps: AWS IoT, Azure IoT, GCP, Docker, GitHub Actions * Tools: Git, JIRA, Zephyr (basic), Altium/KiCad (review & handoff) I write clean, tested code and clear README. I document pins, protocols, and build steps. I share short demos often. Time zones: PST/UK friendly. Languages: Japanese (native), English (Fluent). If you have a device to connect, data to visualize, or a prototype to turn into a stable product, I will help. Please send a short brief. I will reply with a simple plan, estimate, and timeline. weniger
Taiga0420
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Hello! I'm Fraj, an embedded systems developer and PCB designer with hands-on experience in designing smart electronics using ESP32, STM32, and sensor integration. Whether you're launching a new IoT device, prototyping a product, or need a reliable engineer for your PCB layout—I'm here to deliver clean, efficient, and...Hello! I'm Fraj, an embedded systems developer and PCB designer with hands-on experience in designing smart electronics using ESP32, STM32, and sensor integration. Whether you're launching a new IoT device, prototyping a product, or need a reliable engineer for your PCB layout—I'm here to deliver clean, efficient, and production-ready designs. weniger
CHAPAPPA
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dcornelius7 dcornelius7
$13 USD / Stunde
Firmware developer, Circuit design, PCB layoutSouth AfricaI have 10 years experience designing and developing PCBs and 4 years experience designing and developing firmware for custom made PCBs with a focus on GSM based communication utilising Telit Quectel and Fibocom modules. Recent projects are as follows: GSM based AC energy & power measurement • Quectel M66 GSM...I have 10 years experience designing and developing PCBs and 4 years experience designing and developing firmware for custom made PCBs with a focus on GSM based communication utilising Telit Quectel and Fibocom modules. Recent projects are as follows: GSM based AC energy & power measurement • Quectel M66 GSM module • ADE7945 energy measurement IC • STM32F072 M0 Cortex controller GSM based temperature and humidity measurement • Fibocom G510 GSM module • R5F100RCASP MCU • DHT11 temperature/humidity sensor GSM based asset tracker • Telit G865 GSM module • STM32F103RC M3 Cortex MCU • Ublox Neo8 GPS module MCU experience: AVR atmega range STM M0, M3 and M4 Silicon labs 8051 based IDE experience: Atmel studio STM Cube IDE Simplicity STM workbench Keil uVision SES PCB CAD experience: Altium Orcad Eagle Modules: ESP32 ESP8266 nRF51822 Arduino Uno DHT11 weniger
dcornelius7
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