Radio Frequency Engineers para contratar
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Freelancers patrocinados
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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 menos
Contratar macroenergy
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I am a seasoned Hardware Engineer with a Master’s level depth in Electronics Engineering, offering a unique blend of expertise spanning the digital, analog, and electromagnetic domains. I help deep-tech startups, research labs, and established companies move from architecture to prototype without the common pitfalls...I am a seasoned Hardware Engineer with a Master’s level depth in Electronics Engineering, offering a unique blend of expertise spanning the digital, analog, and electromagnetic domains. I help deep-tech startups, research labs, and established companies move from architecture to prototype without the common pitfalls of hardware development. Unlike generalists who only code microcontrollers, or theorists who only simulate, I provide full-stack hardware engineering. I own the entire process from system architecture and component selection to PCB layout and compliance testing. menos
Contratar dean387
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TheDesignBloke TheDesignBloke
$50 USD / hora
Drafting | CAD | Solidworks | Animations | ContentUnited KingdomHello! I’m Muskan, leading a skilled team of designers and content creators. We specialize in Drafting, CAD, SolidWorks, 3D Modeling, Animations, and Content Writing, delivering professional solutions tailored to your business needs. Our Services Include: * Architectural Designs & Revit Models * SolidWorks Designs,...Hello! I’m Muskan, leading a skilled team of designers and content creators. We specialize in Drafting, CAD, SolidWorks, 3D Modeling, Animations, and Content Writing, delivering professional solutions tailored to your business needs. Our Services Include: * Architectural Designs & Revit Models * SolidWorks Designs, Mechanical Parts & Assemblies * 3D Modeling, Prototyping & Blender Models * Interior Design & Space Planning * Animations & Explainer Videos * Branding, Logos & Marketing Materials * Website & Landing Page Design * Content Writing, Reports & eBooks * Presentations, Infographics & Banners * Packaging & Labels We pride ourselves on timely communication, attention to detail, and on-time delivery, serving clients globally Highlights: * 5-Star Reviews | Trusted by Clients Worldwide * Expert Team | Top-Ranked for Design & Content menos
Contratar TheDesignBloke
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I am a multidisciplinary engineer with over 13 years of experience in the design, development, and integration of advanced electronic systems, embedded firmware, and control algorithms for IoT, aerospace, robotics, and autonomous navigation applications. I have a deep expertise in PCB design, real-time firmware...I am a multidisciplinary engineer with over 13 years of experience in the design, development, and integration of advanced electronic systems, embedded firmware, and control algorithms for IoT, aerospace, robotics, and autonomous navigation applications. I have a deep expertise in PCB design, real-time firmware development, particularly in power electronics and mobile robots (UAV & UGV & FPV Drones). And also I have rich experience in Internet of Things and developed RF/Wireless products used in medical health-care systems and etc for over 5 years. And also I have developed IoT backend & dashboard for device control for medical health care systems and other products for over 5 years. I also have a proven track record of delivering high-reliability systems for both field-deployed robotics and aerospace platforms. ? Core Skills & Expertise: ? Electronics & PCB Design ? Multi-layer PCB layout and design for high-speed, mixed-signal, RF systems, digital & analog electronics and power electronics ? EMC/EMI compliant designs for aerospace and industrial applications ? Schematic capture and board bring-up (Altium, KiCAD, Eagle, OrCAD) ? Embedded Firmware Engineering ? Bare-metal and RTOS-based firmware for ARM Cortex-M, AVR, ESP32, STM32, NXP, TI, and Microchip MCUs ? Firmware architecture for various communication protocols (I2C, SPI, UART, CAN, USB, Ethernet) ? Real-time embedded C/C++, with low-level driver development and bootloader implementation ? Embedded Linux & Custom Kernel & Bootloader & Driver Development, Yocto & BuildRoot & OpenWRT ? Robotics & Autonomy ? Autonomous ground/aerial robot system design (ROS, PX4, ArduPilot) ? Kinematics and dynamics of manipulators and mobile robots ? Sensor Fusion & integration (LIDAR, GPS, magnetometers, cameras) and real-time perception ? IoT Backend & Integration ? REST APIs for device control ? MQTT brokers & dashboards ? Web/mobile interfaces for device monitoring ? Data logging & visualization ? Cloud integration (AWS / custom servers) ? Tools & Technologies: ? Hardware/PCB: Altium Designer, KiCAD, OrCAD, LTspice, Oscilloscopes, Logic Analyzers ? Firmware/Software: C, C++, Python, Embedded Linux, FreeRTOS, Zephy RTOS, STM32Cube, PlatformIO, MCUXpresso IDE, VHDL & Verilog HDL, Vivado & Vitis IDE, Platform.io, ESP-IDF, Arduino ? Simulation/Math: MATLAB/Simulink, ROS/ROS2, Gazebo, Mathematica, Octave, LabVIEW ? Protocols/Interfaces: I2C, SPI, UART, CAN, RS485, USB, TCP/IP, MODBUS ? IoT Backend Development & Integration: MERN/MEAN/MEVN stack, Python & Django, Thingsboard, Node-RED, Tuya IoT Platform, React Native & Flutter, Android Studio, InfluxDB, AWS/Azure/GCP menos
Contratar mykolalus
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redbrickamerica redbrickamerica
$75 USD / hora
Top-Tier American Engineers, Proven ExpertiseBangladeshWe are a team of top-rated American Engineers and Architects with over two decades of experience, based in the USA and operating since 2007. Our team is composed of highly skilled professionals specializing in a wide range of engineering and construction disciplines, ready to deliver exceptional service. Our expertise...We are a team of top-rated American Engineers and Architects with over two decades of experience, based in the USA and operating since 2007. Our team is composed of highly skilled professionals specializing in a wide range of engineering and construction disciplines, ready to deliver exceptional service. Our expertise spans across: ● Architecture Engineering ● Civil Engineering ● Structural Engineering ● Mechanical Engineering ● General Construction ● M.E.P. Engineering ● HVAC System Design ● Electrical Engineering ● 3D Modeling & Rendering With licensed engineers on board, we offer stamped and sealed drawings ready for permit submission across multiple states, ensuring full compliance with local building codes. Our Services Include: Architectural Design: We deliver comprehensive architectural plans, including detailed drawings, floor plans, elevations, and construction details, tailored to meet state-specific building codes. Structural Engineering: Specializing in wood, concrete, and steel structures, we provide complete structural designs, calculations, and analysis to ensure the integrity of your construction projects. Civil Engineering: From site plans to utility layouts, we cover grading, drainage, and land development designs, optimizing space and ensuring efficient infrastructure planning. MEP Engineering: Expertise in Mechanical, Electrical, and Plumbing designs, we ensure your building systems are both energy-efficient and code-compliant. HVAC System Design: We design state-of-the-art heating, ventilation, and air conditioning systems to ensure comfort and sustainability in any environment. 3D Modeling & Rendering: Utilizing advanced tools, we bring your visions to life through detailed 3D modeling and high-quality renders, providing immersive project visualizations. Our team is well-versed in U.S. building codes such as IRC, IBC, ASCE, and others, ensuring that every project we handle meets the highest industry standards. ● Available 24/7 ● We are always here to assist with your project needs. Contact us today to discuss how we can contribute to your project's success. Get in touch with us to discuss your next project. We are committed to delivering excellence and ensuring your success. menos
Contratar redbrickamerica
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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. menos
Contratar joaquinc48
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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. menos
Contratar leonidye
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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. menos
Contratar cmsivolella
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Diseño de Antenas, Bluetooth de baja energía, Ingeniería de Control, Diseño de Sistemas de Control, Ingeniería eléctricaGot an idea for an automation system, IoT device, or RF product? I help turn complex electronics into reliable, real-world solutions. With 7+ years in electronics engineering, I design, develop, and deploy everything from PLC-driven industrial automation to custom microcontroller hardware and RF systems. What I Can...Got an idea for an automation system, IoT device, or RF product? I help turn complex electronics into reliable, real-world solutions. With 7+ years in electronics engineering, I design, develop, and deploy everything from PLC-driven industrial automation to custom microcontroller hardware and RF systems. What I Can Help You With 🔹 Industrial Automation PLC programming, HMI/SCADA integration, smart factory solutions, and custom control panels. 🔹 Embedded Systems Firmware for STM32, ESP32, AVR, ARM boards. Real-time control, communication protocols, and production-ready embedded devices. 🔹 RF & Antenna Design RF circuits for BLE, LoRa, GSM, Wi-Fi, ISM. Custom antennas and impedance tuning with real-world testing. 🔹 Electronics & Power PCB design, DC-DC converters, battery systems, IoT hardware, and cloud-connected devices. Why Clients Work With Me Strong cross-domain expertise (Automation + Embedded + RF) Practical, scalable designs Compliance-aware engineering Clear communication from concept to deployment If you need electronics that are reliable, efficient, and ready for market — let’s build it. menos
Contratar ericl106
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Hello,My name is Jawad.I have proficiency in several programming languages, including Python, C, and C++. My experience encompasses a wide range of tasks such as: C++, Troubleshooting installer errors, developing screen and audio messaging systems, facial recognition, image processing, and motion detection.C#:...Hello,My name is Jawad.I have proficiency in several programming languages, including Python, C, and C++. My experience encompasses a wide range of tasks such as: C++, Troubleshooting installer errors, developing screen and audio messaging systems, facial recognition, image processing, and motion detection.C#: Conducting seismic analysis and designing media players. As a data scientist, I leverage Python for web scraping, data processing, GUI development, machine learning, deep learning, Kubernetes, Docker, and AWS architecture. By using R and MATLAB, I perform tasks related to regressive and predictive processing, as well as solving the Monty Hall problem. My skills also include mathematical modeling with limited data. In the realm of graphic design, I am adept at creating logos, stationery, mobile app designs (both iOS and Android), responsive web designs, wireframing, prototyping, interaction designs, web applications, dashboards, SaaS and CRM software, high-fidelity user interfaces, and animated prototypes. My expertise in full-stack development includes front-end and back-end technologies such as HTML (4 and 5), CSS3, JavaScript, Laravel, Yii, CodeIgniter, CakePHP, Zend, Ruby on Rails, Java, Python, ASP.NET, Node.js, PHP, SCADA, and HMI applications, as well as PLC programming. For content management systems, I am experienced with WordPress, Joomla, Drupal, Django, Magento, OpenCart, PrestaShop, Zen Cart, and Shopify. I assist clients in utilizing Amazon Web Services (AWS) and advanced analytics to tackle complex business challenges. As an AWS-certified Professional Solution Architect, I specialize in designing and deploying scalable, cost-effective serverless solutions. My notable projects span industries such as fintech and healthcare. I possess hands-on experience and solid knowledge in a wide range of areas, including: Design of both analog and digital circuits Schematic capture and circuit design PCB layout and development Circuit simulation and analysis FPGA development using Verilog and VHDL Prototyping and testing of electronic circuits menos
Contratar Zawiya3
