İşe Alınmak Üzere Radio Frequency Engineers
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I am a dedicated Electronic Hardware and Firmware Engineer with over 15 years of experience in electronic engineering. My expertise encompasses designing and developing complex PCB layouts, embedded systems, and IoT solutions tailored to client needs. Throughout my career, I've led projects from concept to production,...I am a dedicated Electronic Hardware and Firmware Engineer with over 15 years of experience in electronic engineering. My expertise encompasses designing and developing complex PCB layouts, embedded systems, and IoT solutions tailored to client needs. Throughout my career, I've led projects from concept to production, ensuring compliance with industry standards and delivering high-quality, reliable products. My approach combines technical proficiency with clear communication, ensuring that clients are informed and involved at every stage. Technical Skills: -PCB Design: Altium Designer, KiCAD, Eagle -Embedded Systems: ARM Cortex, STM32, AVR, ESP32 -Programming Languages: C/C++, Python -Communication Protocols: I2C, SPI, UART, CAN, Ethernet -IoT Platforms: AWS IoT, Azure IoT Hub, MQTT -Simulation Tools: LTspice, MATLAB/Simulink Industries Served: -Consumer Electronics -Automotive -Medical Devices -Industrial Automation -Aerospace I am committed to delivering solutions that meet and exceed client expectations. Let's collaborate to bring your electronic projects to life with precision and efficiency. daha az
tetianam8
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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 daha az
macroenergy
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I am a Mechanical, Structural, Software, and Electrical Engineer. I can work in various fields, such as Automotive, Aerospace, Industrial, Civil Engineering, Automation lines, and more. I have 5 years of experience in design, programming, and simulation, along with proficiency in many software programs, including...I am a Mechanical, Structural, Software, and Electrical Engineer. I can work in various fields, such as Automotive, Aerospace, Industrial, Civil Engineering, Automation lines, and more. I have 5 years of experience in design, programming, and simulation, along with proficiency in many software programs, including AutoCAD, SolidWorks, Inventor, CATIA, MSC Adams, VBA, MATLAB, Ansys, Abaqus, PLC, C++, and more. daha az
Ryan15222
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As a proactive electronic engineer with ten years of experience in the industry, I offer complete solutions to bring your ideas to life. Working alongside a team of engineers and industrial designers, we can guide you through the design process from the initial concept to the final product. Our extensive experience...As a proactive electronic engineer with ten years of experience in the industry, I offer complete solutions to bring your ideas to life. Working alongside a team of engineers and industrial designers, we can guide you through the design process from the initial concept to the final product. Our extensive experience in working with PCB manufacturers, component suppliers, and PCBA services ensures a smooth process and high-quality results. Our communication style is professional, yet casual, ensuring a positive working experience for all parties involved. With a focus on precision engineering and attention to detail, we are committed to delivering solutions that meet your requirements. While my Ph.D. and position as a professor at the Mar del Plata National University are important components of my expertise, our focus is on providing complete solutions for your electronic design needs. Let us help you engineer success. Analog/Digital electronics design PCB layout (IPC related) Firmware development for ESP32, STM32, PIC, Atmel, Silabs. nRF RTOS, FreeRTOS, Zephyr Low, Medium and high-level programming: Python, C, C++, ASM, Matlab, Arduino Signal conditioning and processing, analog and digital filtering Fuzzy logic & machine learning 3D modeling and printing Product design daha az
chuledeco
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🔧 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. daha az
oleksandrt68
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MADAlphaDesigns MADAlphaDesigns
50$ USD / saat
Drafting • Animations • SolidWorks • CAD • ContentUnited StatesMAD Alpha Designers is a premier design and creative agency delivering precision driven solutions that bring ideas to life. Specializing in drafting, SolidWorks, 2D and 3D modeling, animation, graphic design, and content creation, MAD Alpha Designers offers end to end services that ensure projects are executed with...MAD Alpha Designers is a premier design and creative agency delivering precision driven solutions that bring ideas to life. Specializing in drafting, SolidWorks, 2D and 3D modeling, animation, graphic design, and content creation, MAD Alpha Designers offers end to end services that ensure projects are executed with the highest standards of quality and professionalism. Trusted by startups, brands, and enterprises worldwide, MAD Alpha Designers combines technical expertise with creative vision to transform concepts into impactful, market ready solutions Services: - Drafting & Technical Drawings - CAD Design (SolidWorks) - 2D & 3D Modeling - Product & Industrial Design - 2D / 3D Animations & Motion Graphics - Web Design & Development - Graphic Design & Branding - UI/UX Design - Content Writing & Creative Copy daha az
MADAlphaDesigns
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I am an RF and electronics design engineer from Ukraine with strong experience in antenna design, RF PCB layout, and general electronic hardware development. I focus on practical, manufacturable designs with predictable performance. Core expertise: - RF PCB layout (impedance control, grounding, isolation, EMI...I am an RF and electronics design engineer from Ukraine with strong experience in antenna design, RF PCB layout, and general electronic hardware development. I focus on practical, manufacturable designs with predictable performance. Core expertise: - RF PCB layout (impedance control, grounding, isolation, EMI reduction) - High-speed and mixed-signal PCB design (impedance and length matching) - Schematic & PCB layout and BOM for production-ready hardware - Power supply and filtering design - Antenna design and tuning (GNSS, Wi-Fi, ISM bands...) Typical work: - Wi-Fi, BLE, LoRa, and custom RF hardware - Compact and embedded antennas - Multilayer PCBs optimized for performance and cost - Design review, layout correction, and RF/EMI troubleshooting Tools: - RF design and simulation tools (ADS, CST, and HFSS) - PCB design tools (Altium, KiCAD, OrCAD, PADS, and EasyEDA) - Others (NI Multisim, Proteus, Matlab...) Thanks for visiting my profile. daha az
leonidye
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Hello, I am Joaquin, a Professional Electronics and Electrical Engineer with strong hands-on experience in PCB design, embedded systems, IoT, and firmware development. I am specialized in RF & antenna design, wireless communication systems, and power electronics, including DC-DC converters and power management...Hello, I am Joaquin, a Professional Electronics and Electrical Engineer with strong hands-on experience in PCB design, embedded systems, IoT, and firmware development. I am specialized in RF & antenna design, wireless communication systems, and power electronics, including DC-DC converters and power management circuits. I also have experience in mechanical design and CAD modeling, including enclosures, thermal management, and integration of electronic systems into mechanical structures. I have a proven ability to take products from concept and schematic through PCB layout, firmware integration, prototyping, testing, mechanical integration, and production support. I am experienced in working with multidisciplinary teams and delivering reliable, manufacturable designs for commercial and industrial applications. daha az
joaquinc48
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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. daha az
cmsivolella
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I am an electronic engineer (Master's Degree) with over ten years of experience in designing power electronic systems and embedded systems. I worked for important Italian companies as a Hardware Designer, as you can see on my Linkedin profile https://www.linkedin.com/in/manuel-chiumarulo-2048083a. I have also...I am an electronic engineer (Master's Degree) with over ten years of experience in designing power electronic systems and embedded systems. I worked for important Italian companies as a Hardware Designer, as you can see on my Linkedin profile https://www.linkedin.com/in/manuel-chiumarulo-2048083a. I have also experienced with schematic, layout, and simulation of electronic circuits with KiCAD, OrCAD, ALTIUM, and PROTEUS. Generally, I route boards up to 8 layers with a CPU unit onboard that controls signal actuation, receives signals from sensors, and communicates with different peripherals. We are talking about boards ranging from 50 to 200 components both SMD and PTH, and connectors of various types. I have experience in programming on STM32 and ARDUINO, ESP32 platforms, and smart displays. I have been dealing with communication protocols such as I2C, UART, SPI, RS232, USB, etc. I have experience in MATLAB and MATHEMATICA programming. I worked in pack battery development, fuel gauge fine-tuning, and wireless charger station for embedded portable devices. I worked on developing a wireless charger platform for handheld devices up to 50 Watts ( inductive and resonance coupling). I have experience in RAMS Analysis (FMEA, DFMEA, PHA, FTA, LCC, etc) in the railway and automotive field. Experience in Montecarlo simulations and WCA electronic circuits. Experience with MATLAB, Simulink, and Mathematica. Experience in drafting technical and scientific documentation. I am a co-author of 4 scientific publications. daha az
ManuelChiumarulo
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