Design Engineers Untuk Diupah
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Freelancers Ditaja
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I am a full-stack "Web and Mobile Application Developer" with extensive experience building scalable, high-performance solutions across a wide range of technologies and industries. I specialize in turning complex ideas into reliable, user-friendly products, from early prototypes to production-ready systems. On the...I am a full-stack "Web and Mobile Application Developer" with extensive experience building scalable, high-performance solutions across a wide range of technologies and industries. I specialize in turning complex ideas into reliable, user-friendly products, from early prototypes to production-ready systems. On the web side, I work confidently with "Node.js, React.js, Next.js, Vue.js, Laravel, PHP, Django, .NET, C#", and "Go", designing robust backends, RESTful and real-time APIs, and modern frontend architectures. I place strong emphasis on clean code, performance, security, and long-term maintainability. For mobile development, I build cross-platform and native applications using "React Native" and "Flutter", delivering smooth, responsive experiences on both iOS and Android. I also have experience integrating complex features such as real-time data, payments, authentication, and third-party APIs. I am comfortable working with "C, C++, Python", and low-level logic where performance and system control matter, as well as CMS and e-commerce platforms like "WordPress" and "Shopify", including custom themes, plugins, and advanced integrations. Beyond coding, I have strong experience in system design, database modeling, cloud deployment, and DevOps-friendly workflows. I communicate clearly, work independently, and collaborate effectively with designers, product managers, and distributed teams. My goal is always to deliver clean, scalable, and well-documented solutions that solve real business problems and are easy to extend in the future. kurang
Upah artakharutyun7
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✋ Hi, I’m Mairaj Ali, a verified Electrical/Electronics Engineer and Professional PCB Designer with over 8 years of experience in designing high-quality circuit boards using Eagle, Altium, KiCAD, and EasyEDA. Also I am a professional Certified EasyEDA designer (Certificate is attached in portfolio section). My...✋ Hi, I’m Mairaj Ali, a verified Electrical/Electronics Engineer and Professional PCB Designer with over 8 years of experience in designing high-quality circuit boards using Eagle, Altium, KiCAD, and EasyEDA. Also I am a professional Certified EasyEDA designer (Certificate is attached in portfolio section). My expertise lies in the following areas: ✅ PCB Design & Prototyping using Eagle, Altium, KiCAD, EasyEDA ✅ CAD/Housing Design for PCBs in Fusion360 ✅ MATLAB/SIMULINK & Python programming ✅ Embedded Systems design (Arduino, AutoCAD, Multisim, Proteus, LTspice, PSpice, C/C++) ✅ VHDL/Verilog HDL, Xilinx, and FPGA development ✅ Research & Technical Writing (Plagiarism Removal, Academic Writing, and Thesis Writing) ✅ Advanced Engineering Mathematics (Calculus, Differential Equations, Numerical Methods, Linear Algebra) ✅ Expertise in LaTeX for high-quality document formatting I am a Preferred Freelancer, ranking among the top 1% of skilled professionals. My passion for PCB design and embedded systems drives me to deliver the best solutions on time and within budget. Whether you're looking for custom PCBs, embedded solutions, or writing services, I can help you achieve your goals. Let’s turn your ideas into reality. Feel free to check my portfolio and message me to discuss your project anytime – I’m available 24/7. #PCB #PCB_designing #Electrical #Electronics #ElectricalEngineering #MATLAB #SignalProcessing #Mathematics #Latex #AutoCAD kurang
Upah mairajali11
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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 kurang
Upah macroenergy
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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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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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🔧 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. kurang
Upah oleksandrt68
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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 kurang
Upah Zawiya3
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I am a dedicated and detail-oriented Electronics Engineer with strong expertise in PCB Design, Embedded Systems Development, MATLAB/Simulink Modeling & Simulation, and Machine Learning / Deep Learning applications. I help clients convert their ideas into complete working engineering solutions by providing high-quality...I am a dedicated and detail-oriented Electronics Engineer with strong expertise in PCB Design, Embedded Systems Development, MATLAB/Simulink Modeling & Simulation, and Machine Learning / Deep Learning applications. I help clients convert their ideas into complete working engineering solutions by providing high-quality services in circuit design, PCB layout, simulation, prototyping support, embedded firmware development, and AI-based system solutions. With a strong background in analog and digital electronics, power electronics, control systems, and microcontroller-based designs, I can manage projects from concept to final manufacturing-ready outputs. My goal is always to deliver reliable, optimized, and professional work that meets industry standards. I specialize in developing real-world systems such as IoT devices, sensor-based projects, automation systems, motor control applications, renewable energy systems, power supply designs, and embedded control solutions. Along with hardware and firmware, I also develop MATLAB/Simulink models for engineering applications including control systems, power electronics, and signal processing. Additionally, I provide Machine Learning and Deep Learning solutions for smart engineering applications such as fault detection, predictive maintenance, sensor data classification, intelligent automation, and smart decision-making systems. I can integrate AI models with embedded systems and IoT platforms to build modern smart solutions. 🔧 My Expertise Includes: ✅ PCB Design & Hardware Development • Schematic design, circuit analysis • 2-layer / 4-layer PCB layout • Component selection, optimization • Gerber, Drill, BOM outputs • DRC/ERC checks and documentation ✅ Embedded Systems & Firmware Development • Arduino, ESP32, STM32, PIC • Embedded C/C++ programming • I2C, SPI, UART, ADC, PWM interfacing • WiFi, Bluetooth, LoRa, GSM communication • Debugging and optimization ✅ MATLAB / Simulink Modeling & Simulation • Control systems and power electronics modeling • Motor control simulations • Signal processing and MATLAB scripting • Complete reports with results ✅ Machine Learning / Deep Learning • Regression, classification, prediction models • CNN, RNN, LSTM-based deep learning • Data preprocessing, feature extraction, evaluation • Predictive analytics and automation 🛠 Tools: MATLAB/Simulink, Proteus, Multisim, LTspice, Altium, KiCad, EasyEDA, Arduino IDE, STM32CubeIDE, Python (NumPy, Pandas, Scikit-learn). ⭐ Why Choose Me? ✔ Professional PCB designs ✔ Reliable firmware and simulations ✔ AI/ML integration for smart solutions ✔ Fast communication and on-time delivery ✔ Client satisfaction and long-term support If you are looking for a reliable engineer for PCB design, embedded systems, Simulink modeling, or AI/ML-based engineering solutions, feel free to contact me. Let’s turn your project into a successful product! kurang
Upah engrhasan01
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freelanceravj freelanceravj
$50 USD / jam
Experienced electronics engineer (PCB/FPGA Design)United KingdomSeasoned electronics engineer with 8+ years of experience in mixed signal circuit design and prototyping. Skills include, circuit design, PCB layout, Firmware development, Circuit prototyping and Documentation.Seasoned electronics engineer with 8+ years of experience in mixed signal circuit design and prototyping. Skills include, circuit design, PCB layout, Firmware development, Circuit prototyping and Documentation. kurang
Upah freelanceravj
