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Các Freelancer được bảo trợ
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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 ít hơn
Thuê mykolalus
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AI BOTS & AUTOMATION | LLM SYSTEMS, SCRAPING & DATA PIPELINES I help startups and operations-heavy teams build production-ready AI systems and automation that remove manual work and deliver measurable business results. I focus on real systems that run reliably in production—clear scope, fast execution, and clean...AI BOTS & AUTOMATION | LLM SYSTEMS, SCRAPING & DATA PIPELINES I help startups and operations-heavy teams build production-ready AI systems and automation that remove manual work and deliver measurable business results. I focus on real systems that run reliably in production—clear scope, fast execution, and clean handoff. Not research demos or over-engineered experiments. Most engagements start with a small pilot delivered in 1–2 weeks, then scale once value is proven. What I do * 🤖 AI & LLM bots (Telegram, Slack, internal assistants) * 📄 Document / PDF AI systems (search, summaries, data extraction) * ⚙️ Workflow automation (support, ops, CRM, reporting) * 🧠 Internal AI copilots for teams and founders * 🕸️ Web scraping & data pipelines (clean, reliable, scalable) * 🛠️ Automation & control systems (python-based automation) How I work * Clear scope, fast execution * Business-outcome focused (time saved, cost reduced) * Founder-friendly communication * Clean, maintainable, well-documented code * Start small → validate → scale confidently Best fit clients * SaaS & tech startups * Agencies adding AI or automation capabilities * Ops-heavy businesses replacing manual workflows * Teams that value reliability over hype Availability Available for short-term AI automation, scraping, and bot projects, with room for follow-on work after a successful pilot. If you want to automate workflows, turn documents into reliable AI assistants, or build a scraping or data system that actually holds up in production, let’s discuss your project. If you want to automate workflows, turn documents into AI assistants, or launch a useful AI bot before Q1 pressure hits — let’s discuss your project. ít hơn
Thuê goranm16
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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. ít hơn
Thuê deane20
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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. ít hơn
Thuê oleksandrt68
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Phần cứng/Phần mềm AI (Trí tuệ nhân tạo), Tác nhân AI, Phát triển chatbot AI, Phát triển AI, Phát triển mô hình AIAs an experienced embedded engineer, I excel in working with a diverse range of microcontrollers, developing robust and efficient solutions tailored to specific hardware requirements. My hands-on expertise spans various platforms, enabling me to optimize performance, enhance reliability, and troubleshoot complex...As an experienced embedded engineer, I excel in working with a diverse range of microcontrollers, developing robust and efficient solutions tailored to specific hardware requirements. My hands-on expertise spans various platforms, enabling me to optimize performance, enhance reliability, and troubleshoot complex issues effectively. My deep understanding of embedded systems allows me to design and implement innovative solutions that meet demanding technical specifications and real-world applications. In addition to my embedded systems expertise, I bring a strong background in software development as a MERN stack developer. My proficiency with MongoDB, Express.js, React.js, and Node.js enables me to build dynamic, scalable, and user-friendly web applications. I am skilled in crafting seamless front-end and back-end solutions, ensuring cohesive integration between client and server-side functionalities. ít hơn
Thuê drtaimoor
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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. ít hơn
Thuê 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. ít hơn
Thuê cmsivolella
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Professional Engineer (PE) profiles for MEP (Mechanical, Electrical, Plumbing) or Electrical Engineers often break down skills into concise, achievement-focused descriptions tailored for resumes, LinkedIn summaries, or proposals. Core Skills Descriptions Technical Design and Analysis: Develop and evaluate MEP...Professional Engineer (PE) profiles for MEP (Mechanical, Electrical, Plumbing) or Electrical Engineers often break down skills into concise, achievement-focused descriptions tailored for resumes, LinkedIn summaries, or proposals. Core Skills Descriptions Technical Design and Analysis: Develop and evaluate MEP systems using Revit, AutoCAD, and BIM, optimizing HVAC, power distribution, and plumbing layouts for energy efficiency and code compliance in commercial projects. Project Management: Lead multidisciplinary teams on multimillion-dollar builds, managing timelines, budgets, RFIs, and zoning approvals to deliver 50+ projects on schedule across U.S. states like California. Problem-Solving and Troubleshooting: Diagnose electrical faults and system inefficiencies, implementing solutions that reduce downtime by 25% and energy costs by 20% through predictive analysis and retrofits. Advanced Skills Descriptions Regulatory Compliance and PE Licensure: Ensure adherence to NEC, IBC, and state-specific codes as a licensed PE, preparing permit packages and conducting inspections for sustainable, safe installations. System Integration and BIM Coordination: Integrate MEP components with architectural plans via BIM modeling, resolving clashes to streamline construction and enhance building performance. Data Analysis and Energy Modeling: Apply tools like EnergyPlus for simulations, achieving LEED certifications and 15-30% reductions in operational costs through precise load calculations and optimizations. ít hơn
Thuê brians565
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manojachanta7172 manojachanta7172
$20 USD / giờ
Embedded | Software | PCB | China MFG & SourcingIndiaI am a professional Embedded Hardware & Firmware Engineer with hands-on experience across the full product development cycle — from concept and schematic design to firmware, FPGA logic, and production-ready PCB layouts. My expertise spans embedded firmware, digital/analog electronics, FPGA development, and PCB...I am a professional Embedded Hardware & Firmware Engineer with hands-on experience across the full product development cycle — from concept and schematic design to firmware, FPGA logic, and production-ready PCB layouts. My expertise spans embedded firmware, digital/analog electronics, FPGA development, and PCB design, allowing me to deliver complete, reliable, and manufacturable solutions rather than isolated code or schematics. In addition to engineering services, I provide China MFG & Sourcing support, helping clients move from prototype to mass production efficiently. 🔧 Core Expertise 🎖️Embedded Firmware - STM32, TI, ESP32, nRF, Arduino, PIC - Bare-metal & RTOS (FreeRTOS) - Drivers (I2C, SPI, UART, CAN, USB, Ethernet) - Low-power optimization & bootloaders 🎖️ PCB Design - Altium Designer / KiCad - Up to 24 layer boards - High-speed interfaces, impedance control - DFM/DFA support for manufacturing 🎖️Embedded Hardware & Electronics - Analog & digital circuit design - Power management (DC-DC, LDO, battery chargers) - Sensor integration, motor control, HMI - EMI/ESD and reliability considerations 🎖️ FPGA Development - Verilog / VHDL - Xilinx & Intel (Altera) - Interface logic, timing closure, debugging - FPGA + MCU co-design 💪Additional Support: China MFG & Sourcing (PCB, PCBA, BOM, production coordination) 🧠 What I Bring to Your Project - Clear communication and structured documentation - Practical, production-focused engineering - Strong debugging and root-cause analysis skills - Experience working with global clients and remote teams Design decisions based on cost, reliability, and scalability 🚀 Typical Projects - Custom embedded controllers - IoT devices and gateways - Motor control & power electronics - Industrial automation hardware - FPGA-based data acquisition systems - Prototype → mass production support If you need an engineer who understands both hardware and firmware deeply, and can take ownership of your product from idea to working hardware — let’s talk. ít hơn
Thuê manojachanta7172
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Rashid Tech Solutions is a systems-focused engineering and development practice with over 5 years of hands-on experience delivering reliable, production-ready solutions across software, cloud, automation, and embedded systems. We specialize in projects where multiple technologies must work together seamlessly —...Rashid Tech Solutions is a systems-focused engineering and development practice with over 5 years of hands-on experience delivering reliable, production-ready solutions across software, cloud, automation, and embedded systems. We specialize in projects where multiple technologies must work together seamlessly — software with hardware, cloud with automation, and logic with real-world operational constraints. Our work is driven by solid architecture, clean implementation, and solutions designed for long-term use, stability, and growth. 🔧 Core Capabilities Systems & Full-Stack Development End-to-end design and development of web platforms, backend services, APIs, dashboards, and mobile applications, built for scalability, security, and maintainability. Cloud, DevOps & Infrastructure Architecture and operations across AWS, Azure, and Google Cloud, including CI/CD pipelines, deployments, monitoring, performance optimization, and production hardening. Automation & Integrations Custom automation, workflow optimization, system integrations, bots, and backend processes to reduce manual work and improve operational reliability. Embedded Systems & Industrial Automation Development and integration of embedded systems, IoT devices, electronics, PCBs, PLCs, SCADA, and hardware–software interfaces for industrial and automation use cases. AI & Data-Driven Features Practical AI and machine-learning integrations such as computer vision, OCR, analytics, and intelligent system enhancements — applied where they deliver real, measurable value. Specialized & Custom Solutions Blockchain systems, trading tools, telephony platforms, and other domain-specific solutions when projects require deeper technical customization. 👥 Team & Delivery Model For larger or time-critical projects, I work with a small, trusted technical team, while personally managing and reviewing all work. This ensures clear communication, consistent quality, and a single point of accountability for the client. 🤝 Post-Delivery Support Delivery does not end at handover. We provide clear documentation, support, fixes, and ongoing assistance when required, ensuring systems remain stable, understandable, and easy to maintain over time. Our approach is reflected in consistent positive feedback from previous clients, who value technical ownership, clear communication, and dependable delivery. If you’re looking for a technical partner who thinks long-term and takes responsibility beyond launch, Rashid Tech Solutions is ready to support your project. ít hơn
Thuê rashidamjad
