Antenna Design Experts Untuk Diupah
Menunjukkan 17 hasil
Freelancers Ditaja
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Hello. I am an experienced Automation Engineer & Hardware Designer with 10+ years of expertise in PLC programming, industrial controls, embedded systems, and custom PCB development. I bring together both industrial automation and electronics engineering, allowing me to design complete control solutions — from PLC...Hello. I am an experienced Automation Engineer & Hardware Designer with 10+ years of expertise in PLC programming, industrial controls, embedded systems, and custom PCB development. I bring together both industrial automation and electronics engineering, allowing me to design complete control solutions — from PLC logic and HMIs to custom PCBs, sensor interfaces, power electronics, and machine-control hardware. 🧩 Core Competencies 🧩 🔧 PLC & Automation Engineering - Siemens: S7-1200 / S7-1500 / S7-300, TIA Portal, STEP7 - Allen-Bradley: ControlLogix, CompactLogix, MicroLogix (Studio 5000 / RSLogix) - Schneider Modicon, Mitsubishi FX/Q, Omron CJ/CP - HMI/SCADA: WinCC, FactoryTalk View, Ignition, Weintek, Delta - Communication: Modbus RTU/TCP, Profinet, EtherNet/IP, Profibus, OPC-UA - Industrial Controls - VFD/Servo setup (Siemens, ABB, Delta, Rockwell) - Sensor integration (analog, digital, RTD, thermocouple) - PID loops, motion control, interlocks & machine safety 📡 PCB & Electronics Design - PCB Design Tools: KiCad 6/7/8, Altium Designer, Eagle / Fusion 360, - Hardware Expertise: Mixed-signal hardware (analog + digital), High-voltage / low-voltage mixed PCBs, SMPS power stages • DC-DC converters, Motor drivers, relays, MOSFET/PWM control, Microcontrollers: Raspberry Pi Pico, STM32, ESP32, AVR, PIC, Communication hardware: RS-485, CAN, Ethernet, isolated I/O, Sensor conditioning, ADCs, op-amps, filters, EMC/EMI-friendly layout & safety-critical design 🧰 Tools & Platforms - TIA Portal, STEP7, Studio 5000, RSLogix - WinCC, FactoryTalk View, Ignition SCADA - KiCad, Altium, Eagle - AutoCAD Electrical, EPLAN - C/C++ for embedded, MicroPython, FreeRTOS kurang
Upah yaroslavmark
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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. kurang
Upah cmsivolella
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Live Experts® LLC: Experienced Engineers and Developers for All Your Projects. "At Live Experts, we are a team of professional engineers and developers who have a proven track record of delivering high-quality work. Our focus is on transforming your ideas into reality, while ensuring your satisfaction with every...Live Experts® LLC: Experienced Engineers and Developers for All Your Projects. "At Live Experts, we are a team of professional engineers and developers who have a proven track record of delivering high-quality work. Our focus is on transforming your ideas into reality, while ensuring your satisfaction with every project." Research Writing: We specialize in research writing services, including literature reviews, research papers etc Computer Science: Our team is proficient in Machine learning, Deep learning, Artificial intelligence, Algorithms, Linux, Bash, Docker, and Asterisk. Engineering: We offer expertise in electrical, mechanical, civil, chemical, software, petroleum, and structural engineering. Statistics/Data Analysis: Our team has experience in SPSS, Minitab, Weka, and R programming for statistics and data analysis. Big Data Analysis: We offer services in classification and prediction, Hadoop, and Spark for big data analysis. Game/Web Development: Our team specializes in UNREAL, 3D, AR, VR, Unity 3D, and IOS/Android app development. Software Development: We provide software development services using languages such as Matlab and Mathematica, Python, Java, C/C++, C#, Arduino, Raspberry pi, and cloud computing. Engineering Tools: We are proficient in using tools such as 3ds Max, AutoCAD, Solidworks, Revit, Cisco, Simulink, Verilog/VHDL, Ansys, CAD, CAM, Abaqus, Arena, PCB, and hardware. Other Skills: We also have experience in EAGLE, Linux, Unix, Socket, Aspen, Hysys, TensorFlow, Keras, OpenCV, OpenGL, COMSOL and PLC Contact us today to discuss your project and get started! kurang
Upah LiveExperts
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Welcome to PCB Must Innovations, Where Precision Engineering Meets Personal Commitment At PCB Must Innovations, every circuit and PCB isn’t just built; it’s meticulously crafted with an obsession for precision and reliability. Founded by a team of visionary engineers who dreamt of transforming ideas into impeccable...Welcome to PCB Must Innovations, Where Precision Engineering Meets Personal Commitment At PCB Must Innovations, every circuit and PCB isn’t just built; it’s meticulously crafted with an obsession for precision and reliability. Founded by a team of visionary engineers who dreamt of transforming ideas into impeccable electronic solutions, our agency has become a beacon of innovation and trust in the electronics design industry. ⭐Our Philosophy: We don’t just design; we redefine the standards of electronic excellence. Every project is a personal challenge, a chance to push the boundaries further than ever before. With over 1,000 successful projects delivered to more than 300 satisfied clients worldwide, our commitment to quality and precision is evident in every task we undertake. ⭐Our Services Include: ✅Reverse Engineering: We decode existing hardware to uncover and enhance underlying designs, improving performance and integrating modern technologies. ✅Architecture Finalization: We refine product architectures to optimize for manufacturability and marketability, ensuring a seamless transition from concept to production. ✅Technical Feasibility Studies: We assess the practicality of new product ideas, using in-depth analysis to predict market viability and technical hurdles. ✅Electronics Circuit Design: We engineer each circuit to outperform expectations, optimizing every component for superior functionality and energy efficiency. ✅PCB Design and Prototyping: We turn complex designs into high-performance, multi-layer PCBs, achieving a defect rate of less than 0.1% through rigorous precision engineering. ✅Hardware Testing: We validate each prototype with over 100 different tests, ensuring unparalleled reliability and resilience under any conditions. ⭐Industries We Serve: ✅Consumer Electronics ✅Automotive ✅Medical Devices ✅Telecommunications ✅Aerospace ✅IoT (Internet of Things) ✅Solar Energy ✅Drone Technology ✅LED Lighting Why Partner with Us? ⭐Driven by Results: We measure our success by the impact we make — reduced costs, enhanced performance, and accelerated time-to-market for our clients. ⭐Absolute Transparency: From initial sketches to final product, we keep you in the loop with real-time updates and comprehensive reports. ⭐Designed for Innovators: Our services are tailor-made for leaders and pioneers who demand nothing less than perfection. Whether you’re launching a startup or leading a tech giant, we’re here to translate your visions into market-ready innovations. Join us at PCB Must Innovations, where your visions are engineered to perfection. Let’s create something extraordinary together. Start your project with us today by visiting www.pcbmust.com or by reaching out directly for a consultation. kurang
Upah electronicsdone
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Hi, I'm Nadia! As a seasoned Graphic Designer and Web Developer with over five years of experience, I craft compelling visual identities and innovative digital solutions that empower businesses to grow. Committed to excellence, I prioritize client satisfaction by delivering high-quality, tailored results within...Hi, I'm Nadia! As a seasoned Graphic Designer and Web Developer with over five years of experience, I craft compelling visual identities and innovative digital solutions that empower businesses to grow. Committed to excellence, I prioritize client satisfaction by delivering high-quality, tailored results within deadlines. My goal is to transform ideas into impactful designs and seamless web experiences that drive success. My Expertise: Graphic Design ✔ Custom Logo Design & Animation ✔ Banner & Poster Design ✔ Packaging & Label Design ✔ Icons & Illustrations ✔ Leaflets & Flyers ✔ Business Cards & Brochures ✔ Envelope & Letterhead Design ✔ PowerPoint Presentations & Pitch Decks Web Development ✔ E-Commerce Solutions ✔ Mobile-Responsive Websites ✔ Website Redesign & Maintenance ✔ Custom WordPress Themes ✔ Shopify, Wix & Squarespace Sites Mobile App Development ✔ iOS & Android Apps ✔ Cross-Platform Solutions ✔ UI/UX Design & Prototyping ✔ App Maintenance & Support ✔ Custom Feature Integration CRM Development & Management ✔ Custom CRM Solutions ✔ CRM Integration & Automation ✔ Data Migration & Management ✔ Workflow Optimization ✔ Ongoing Support & Training Why Work With Me? ✅ Creative Excellence – I create designs that are visually compelling and perfectly aligned with your brand identity. ✅ Technical Expertise – With experience across multiple platforms, I build websites that are robust, scalable, and easy to manage. ✅ Client-Centric Approach – Your satisfaction is my priority. I work closely with you to provide tailored solutions that exceed expectations. ✅ Timely Delivery – I respect deadlines and ensure on-time delivery without compromising quality. Let’s Work Together! Looking for a reliable and creative partner to bring your vision to life? Let’s chat! I’m currently accepting new projects and would love to discuss how I can help you achieve your goals. Message me today, and let’s get started! Thanks! kurang
Upah NadiaCrea8weB
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I’m a versatile and detail-driven Hardware Design & Electro-Mechanical Engineer with over 18 years of experience in delivering end-to-end product development, spanning PCB Design, Embedded Electronics, 3D Modeling, Electro-Mechanical Systems, and LiDAR Hardware. My strength lies in combining electrical and mechanical...I’m a versatile and detail-driven Hardware Design & Electro-Mechanical Engineer with over 18 years of experience in delivering end-to-end product development, spanning PCB Design, Embedded Electronics, 3D Modeling, Electro-Mechanical Systems, and LiDAR Hardware. My strength lies in combining electrical and mechanical domains to build reliable, production-ready solutions that work flawlessly in the real world. ✨ Advanced Hardware Design Proficiency ✅ End-to-End Hardware Architecture Development ✅ High-Speed Analog & Digital Circuit Design ✅ Microcontroller/Processor System Design (STM32, ESP32, ARM, etc.) ✅ Power Electronics – LDOs, SMPS, Battery Charging Circuits ✅ Interface Protocols – UART, I2C, SPI, USB, CAN, RS485, RS422, Ethernet ✅ Sensor Integration, Signal Conditioning, and ESD Protection ✅ Hardware Debugging, Testing, and Validation with Real-World Loads ✅ Embedded Peripheral Planning for IoT, Industrial & Automotive Applications ✅ LiDAR-Based Electronics Design & Signal Processing Hardware (ToF, Laser Diodes, Scanning Control) ✨ Core Capabilities ⭐ IPC-7351B Standard-Compliant PCB Footprints ⭐ IPC-2221A-Based PCB Design Rules & Practices ⭐ DFM/DRC Ready PCB Layouts (Up to 36+ Layers) ⭐ Schematic Symbol Creation (Logical & Hierarchical) ⭐ Multi-Layer PCB Stackup Design & Optimization ⭐ Signal Integrity & Power Delivery Planning (Per IPC-2221A) ⭐ 2D/3D CAD Modeling for Industrial & Mechanical Parts ⭐ Mechanical Enclosure Design & 3D Prototyping Support ⭐ Thermal, Clearance & EMI/EMC Considerations (Per IPC Standards) ⭐ Custom BOM Creation & Lifecycle/Obsolescence Management ⭐ High-Quality 3D Renderings & Exploded Drawings ⭐ DIY Kits, Product Development & Prototype Guidance ⭐ 3D Printing-Ready Models (STL/OBJ) for Production ⭐ Cross-Platform File Support (STEP, IGES, DXF, Gerber, ODB++) ⭐ Component Selection Aligned to IPC & Manufacturer Specs ✨ Tools & Platforms ▶️ EDA Tools: Altium Designer, KiCAD, OrCAD, Allegro, Eagle, Mentor Graphics PADS ▶️ CAD Software: SolidWorks, Fusion 360, FreeCAD, AutoCAD ▶️ File Output: STEP, STL, DXF, DWG, IGES, Gerber, ODB++ ✨ Why Choose Me? ✔️ 15+ Years of Cross-Disciplinary Engineering Experience ✔️ Strong Background in LiDAR System Design, Opto-Electronics, Embedded Control, and Scanning Hardware ✔️ Precision-Focused & IPC-Compliant Design (IPC-2221A | IPC-7351B) ✔️ Proven Real-World Prototyping & Testing Background ✔️ Rapid Turnaround with Full Design Documentation ✔️ Flexible Revision & Client Collaboration Support ✔️ Professional, Clear & Responsive Communication kurang
Upah sabarikptm
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guruexpert123 guruexpert123
$35 USD / jam
Industrial Automation & Embedded Systems EngineerUnited StatesAltium Designer, Altium NEXUS, Analog / Isyarat Campuran / Digital, Elektron Analog, Reka Bentuk AntenaI am an Industrial Automation and Embedded Systems Engineer passionate about creating intelligent, automated solutions that improve productivity, safety, and efficiency. My experience covers PLC programming, HMI design, embedded control, and electronic system development for industrial and manufacturing environments....I am an Industrial Automation and Embedded Systems Engineer passionate about creating intelligent, automated solutions that improve productivity, safety, and efficiency. My experience covers PLC programming, HMI design, embedded control, and electronic system development for industrial and manufacturing environments. I develop control systems using Siemens, Allen-Bradley, and Delta PLCs, integrating sensors, drives, and actuators through Modbus, Profibus, and Ethernet/IP. I also design custom embedded controllers based on STM32 and ESP32, writing robust C/C++ firmware for real-time process control. For hardware design, I use Altium Designer and Proteus to create PCBs optimized for noise reduction and durability in harsh conditions. I’ve built solutions such as automated inspection systems, motor control panels, and industrial data loggers. Combining automation logic with embedded intelligence, I deliver systems that bridge traditional control engineering and modern connected technology. kurang
Upah guruexpert123
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With over 10+ years of experience specializing in hardware design and firmware development, I have a solid foundation in electrical engineering and a passion for innovation. I offer full-stack embedded hardware design and development solutions utilizing embedded microcontrollers, microprocessors, and digital signal...With over 10+ years of experience specializing in hardware design and firmware development, I have a solid foundation in electrical engineering and a passion for innovation. I offer full-stack embedded hardware design and development solutions utilizing embedded microcontrollers, microprocessors, and digital signal processors. I’ve successfully created cutting-edge hardware solutions and embedded systems across various industries, including consumer electronics, IoT, medical devices, and automotive. PCB fabrication and assembly are handled through trusted partners based in the U.S. and China, ensuring reliability and efficiency. Key Skills: ✔️Hardware Design ✔️Firmware Development ✔️Prototyping & Testing Notable Projects: ✔️Embedded IoT Device for Environmental Monitoring Led the development of a low-power IoT device for real-time environmental monitoring, designing the sensor interface, power management system, and wireless communication protocols. Implemented energy-efficient firmware algorithms to extend battery life and enhance reliability. ✔️High-Speed Data Acquisition System for Aerospace Designed a high-speed data acquisition system for aerospace testing, creating custom PCBs with high-speed interfaces and integrating FPGA-based signal processing. Developed firmware for real-time data acquisition and processing, meeting stringent performance requirements. ✔️Medical Device Prototype for Remote Patient Monitoring Collaborated with a startup to develop a prototype for remote patient monitoring, designing the hardware platform for physiological signal acquisition and integrating wireless connectivity. Developed firmware for real-time signal processing and secure data communication, ensuring compliance with regulatory standards. Additional Expertise: ✔️PLC System Integration Control logic using ladder diagrams, structured text, and function block programming in environments such as Siemens TIA Portal, Allen-Bradley Studio 5000, and Mitsubishi GX Works. ✔️RF Circuit Design Proficient in designing high-power amplifiers, antennas, low-loss filters and mixers up to Ka-Band. ✔️Radar Signal Processing Expertise in radar system design and dynamic simulation using MATLAB. ✔️Battery Design & Systems Experience with Li Battery design, EV systems, solar hybrid power controllers, and more. kurang
Upah deane20
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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. kurang
Upah leonidye
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Thank you for visiting my profile. My name is Marko Aleksic, a dedicated electronic hardware and firmware engineer specializing in creating innovative and high-quality solutions for electronic product development. I am passionate about transforming ideas into reality through meticulous design and development -Core...Thank you for visiting my profile. My name is Marko Aleksic, a dedicated electronic hardware and firmware engineer specializing in creating innovative and high-quality solutions for electronic product development. I am passionate about transforming ideas into reality through meticulous design and development -Core Competencies: -PCB Design & Development: Expert in designing reliable, high-performance printed circuit boards (PCBs). Specialization in power supply circuits (DC-DC, AC-DC conversions) and multilayer designs for embedded systems. Proven track record in developing efficient LED driver circuits and RF PCB layouts. -Firmware Development: Extensive experience programming microcontrollers including STM32, DSPIC, ESP32 and ESP8266. Mastery of communication protocols such as UART, SPI, Ethernet, USB, CAN, and MODBUS for seamless integration. Proficient in implementing wireless technologies including Wi-Fi, Bluetooth, and ZigBee. -RF Design & Analysis: Strong capabilities in RF circuit design, antenna optimization, and simulation for applications like WiFi, Bluetooth, and RFID. Expertise in developing RF filters, splitters, transceivers, and power amplifiers tailored to specific application needs. I am committed to delivering cost-effective, high-quality solutions without compromising performance or deadlines. I welcome the opportunity to connect and discuss how I can contribute to your projects. kurang
Upah markoa7
