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I have designed 30+ real-world components used in defence systems, DC fans, and kitchen appliances handling everything from design and simulation to fabrication and testing myself, so you get complete, working hardware solutions from one expert. I am an RF, PCB, and Embedded Systems Engineer with strong hands-on experience in building complete hardware products. I have worked on real-world RF systems including high-power amplifiers, transmitter-receiver designs, RF filters, and antenna systems for communication and defence-related applications. I specialize in RF design, antenna design and testing, wireless communication, and high-quality PCB design including multilayer boards using Altium Designer and KiCad. I also work on circuit design, analog electronics, RF filters and amplifiers, and embedded systems using STM32, ESP32, and Arduino. I have successfully delivered reliable, tested, and production-ready designs that perform well in real-world conditions. For large and challenging projects, I collaborate with a trusted team of highly skilled professionals, so we can deliver a complete, fully working product including hardware, software, and mechanical design all in one place. ✅ RF & Microwave Circuit Design ✅ RF System Design (Transmitter & Receiver) ✅ RF Front-End Design ✅ RF Power Amplifier Design (Low, Medium & High Power) ✅ LNA (Low Noise Amplifier) Design ✅ RF Filters Design (Bandpass, Low-pass, High-pass) ✅ Impedance Matching & RF Tuning ✅ Antenna Design (Patch, Monopole, Dipole, Custom) ✅ Antenna Simulation & Optimization ✅ Antenna Testing & Performance Measurement ✅ Wireless Communication System Design ✅ RF Signal Chain Development ✅ Frequency Planning & Spectrum Analysis ✅ PCB Design (Single Layer, Double Layer, Multilayer) ✅ High-Speed PCB Design ✅ RF PCB Layout & Controlled Impedance Design ✅ Schematic Design & Circuit Layout ✅ PCB Design using Altium Designer, KiCad & EasyEDA ✅ Gerber File Generation & Manufacturing Support ✅ Design for Manufacturing (DFM) & Assembly (DFA) ✅ PCB Debugging & Optimization ✅ Electronic Circuit Design ✅ Analog Circuit Design ✅ Amplifiers & Signal Conditioning Circuits ✅ Sensor Interface Circuit Design ✅ Power Electronics Circuit Design ✅ Hardware Troubleshooting & Debugging ✅ Embedded Systems Design ✅ Embedded Hardware Development ✅ Microcontroller-Based System Design ✅ Microcontroller Programming (STM32, ESP32, Arduino, AVR) ✅ Embedded C & C++ Development ✅ Firmware Development ✅ IoT Device Development (WiFi, LoRa, ESP32) ✅ Raspberry Pi-Based Projects ✅ FPGA Design & Development ✅ Verilog / VHDL Based Design ✅ Digital System Design on FPGA ✅ Simulation & Timing Analysis ✅ FPGA Prototyping & Testing ✅ Electromagnetic Simulation (HFSS, CST, ADS) ✅ Circuit Simulation (LTspice, PSPICE, MATLAB) ✅ EM & RF Co-Simulation ✅ Signal Integrity & EMI/EMC Analysis ✅ Hardware Prototyping ✅ Product Development from Concept to Prototype ✅ Functional Testing & Validation ✅ Performance Measurement & Optimization ✅ Test Results Analysis & Reporting ✅ Technical Writing (Engineering Reports & Documentation) ✅ Research Paper Writing (IEEE Format) ✅ Project Documentation & Reports ✅ RF & Electronics Content Writing ✅ Complete Product Design (Hardware + Embedded + RF + FPGA) ✅ Prototype to Production Support ✅ Real-World Testing & Field Validation ✅ Engineering Simulation & Optimization

I help startups and established enterprises develop production-ready PCB designs and embedded hardware systems optimized for manufacturing, scalability, and long-term reliability. With over 10 years of experience delivering 85+ successful hardware deployments, I specialize in high-reliability circuit design, multilayer PCB layout, embedded systems integration, and manufacturing-ready electronics development for IoT, industrial automation, robotics, medical devices, and EV infrastructure. My expertise bridges the gap between schematic development, PCB layout, embedded hardware integration, and scalable mass production. I engineer dense multilayer architectures, optimize high-speed signal pathways, resolve complex power delivery challenges, and reduce costly redesign cycles by applying strict Design for Manufacturing (DFM) and Design for Assembly (DFA) principles from the beginning of development. From compact ESP32 and STM32 embedded systems to wireless IoT devices, BLE communication hardware, industrial control electronics, and high-voltage power infrastructure, I design hardware optimized for first-pass success, manufacturing stability, and real-world operational reliability. 🔧 Why Clients Partner With Me • 10+ years designing high-performance PCB layouts and embedded electronics systems. • 85+ successful hardware deployments across consumer, industrial, medical, and EV sectors. • Strong expertise in Altium Designer, KiCad, Autodesk Eagle, and production-ready PCB workflows. • Advanced experience with high-speed routing, signal integrity, impedance matching, EMI/EMC mitigation, and power optimization. • Structured execution focused on reducing prototype failures, minimizing respins, and accelerating manufacturing readiness. • Experience delivering scalable embedded hardware systems for startups and production-stage companies. ⚙️ PCB Design & Embedded Systems Expertise - Circuit Architecture & Schematic Design: • Custom schematic capture and electronic system architecture development. • Component sourcing, lifecycle analysis, and BOM optimization. • Embedded system planning for ESP32, STM32, ARM Cortex, sensors, BLE, WiFi, and power management systems. • Analog, digital, RF, and mixed-signal circuit development. - Advanced PCB Layout & Routing: • High-density multilayer PCB layout development (2-layer to 12+ layer architectures). • High-speed routing for DDR memory, USB, differential pairs, RF pathways, and communication interfaces. • Signal integrity optimization, impedance control, crosstalk reduction, and EMI/EMC-aware layout execution. • Rigid-flex PCB architecture optimization for compact and mechanically constrained products. - Embedded Hardware & IoT Systems: • ESP32 and STM32 embedded hardware development. • BLE, WiFi, USB, and wireless communication system integration. • IoT hardware architecture and low-power electronics optimization. • Embedded firmware-ready hardware platform development. - ECAD Tool Proficiency: • Advanced proficiency in Altium Designer, KiCad, and Autodesk Eagle. • Precision footprint and library generation aligned with IPC standards. • Thermal management optimization using copper balancing, stitching vias, thermal reliefs, and heat dissipation strategies. - Manufacturing & Production Deliverables: • Complete DFM/DFA-focused fabrication and assembly documentation packages. • Generation of precise Gerber files (RS-274X / ODB++ format). • CPL/Pick-and-Place files and manufacturing-ready Bills of Materials (BOM). • Prototype-to-production support for PCB fabrication and assembly workflows. 🏭 Industries & Product Categories - IoT & Smart Devices: • ESP32 and STM32-based IoT hardware • Wireless sensor nodes • BLE and WiFi-enabled embedded systems • Smart electronics and connected devices - Medical & Healthcare Electronics: • Biometric monitoring systems • Diagnostic electronics • Medical tracking hardware • Low-noise and high-reliability embedded devices - Robotics & Industrial Automation: • Industrial control systems • Embedded automation hardware • Motor controllers and power distribution systems • Rugged industrial electronics - EV & Power Electronics: • Smart charging systems • Battery management hardware • Energy storage electronics • High-voltage power delivery systems 📩 Let’s Build Reliable, Manufacturing-Ready Hardware If you need a senior PCB design and embedded systems engineer who can transform your concept into a production-ready hardware platform with optimized PCB layouts, scalable architecture, and manufacturing-ready deliverables, click the invite button to discuss your project requirements. Prefer to validate the architecture first? Use the scheduling feature above to book a direct consultation for schematic planning, PCB stack-up strategy, component selection, and manufacturing readiness review.

I’m an experienced Embedded Systems and Electronics Engineer with a strong background in PCB design, firmware development, and product prototyping. I specialize in building reliable, cost-effective IoT and consumer electronics hardware, from concept to production. 🔧 Core Skills & Platforms PCB Design & Hardware Engineering • Tools: Altium Designer, KiCad, EasyEDA and Eagle Cad • Capabilities: o Electronics circuit Schematics Desinging o Rigid and flex PCBs o Experience with flex/FPC PCBs, High Speed and high-current and RF layout o EMI/ESD protection, ground plane optimization, RF shielding techniques o BOM preparation and cost-effective component sourcing o Reverse engineering of hardware/firmware for legacy or competing products o In-house prototyping, testing, troubleshooting, and validation • Microcontrollers: o ESP32 (including S2, S3, C3 and all other variants) o STM32 (F0/F1/F4 series) o nRF52/nRF5340 (Nordic BLE SoCs) o ATmega/ATtiny series (AVR family) o Raspberry Pi (Zero, 3, 4, CM4) • Communication Protocols: o UART Communication o I2C communication o I2S communication o SPI Communication o Can Bus Communication o Mod Bus Communication o WIFI-Communication o Bluetooth Communication o RF Communications • Wireless Hardware Skills: o Cellular (GSM/LTE/NB-IoT): Quectel (e.g., EC200U, BG95), SIMCOM (e.g., SIM800, SIM7678SA, SIM7600) – applied in vehicle tracking systems with GPS and cloud integration. o LoRa: EBYTE E22/E32 modules for motion tracking in local mesh networks up to 5KM. o Wi-Fi/Bluetooth: Advanced development with ESP32 for WIFI-Meshing, Wi-Fi sniffing, BLE advertising, and geofencing applications. o Optical Communication: Long-range MCU-to-MCU communication using modulated IR/LED systems for reliable data transfer in isolated environments. ________________________________________ 🧠 Sensor Integration & Interfaces • Motion & Environmental: o Accelerometers (LIS3DH, MPU6050), gyroscopes, and ultrasonic sensors for obstacle detection, fall detection, and gesture control. o IR sensors, flame sensors, and ultrasonic modules for object detection and safety systems. o Humidity, pressure, smoke, gas, and temperature sensor for environmental control. • Biometric & Weight Measurement: o Fingerprint modules (R502, AS608), optical pulse sensors (MAX30100/30102) o Load cells with HX711 for weight measurement • Optical communication: o Light sensors, photoresistors, and optical data transmission between MCUs over long-range using custom protocols ________________________________________ ⚡ Power System Design • Battery Management: o Lithium-ion/polymer charging circuits with fuel gauges o Low-power modes, deep sleep implementation, and wake-on-interrupt designs o Priority-based power distribution for shared charging between multiple devices • DC/DC Converters & Power Paths: o Buck, boost, and buck-boost converters for 12,9V, 5V, 3.3V, and custom rails o Reverse polarity protection, TVS diodes, inrush current limiting ________________________________________ 🔌 USB Hub Development • USB 2.0 and 3.1 Hub Designs: o High-speed routing with proper impedance matching o Switchable data lines for host/device switching o USB-PD charging with smart current limiting and role negotiation o USB power control with load switches and fault detection 🧩 One-Stop Hardware Solution I offer a complete hardware development service, including: • Component selection and sourcing from trusted Chinese and global vendors • BOM optimization for cost and lead time • Ordering PCB & PCBA from vetted manufacturers with fast turnaround • Testing, QA, and verification of assembled hardware • Troubleshooting & field debugging • Firmware reverse engineering and porting ________________________________________ If you're looking for a highly versatile embedded systems expert with hands-on experience in both firmware and hardware — from an idea to working Product — I'm ready to support your product from prototype to production.

Struggling with PCB issues, noise, or failed prototypes? I fix designs and deliver production-ready hardware — no guesswork, no costly re-spins. If your PCB fails in real-world testing, EMI, or manufacturing — I’m the engineer you bring in to get it right. I specialize in solving complex PCB design problems that others couldn’t — from mixed-signal noise to high-speed layout challenges. With over 14 years of experience, I have delivered result oriented, tangible outputs to my clients. and helped companies worldwide build robust, production-ready solutions in fields like FPGA/DSP design, IoT devices, audio electronics, power systems, and high-speed PCB layouts. 📌 My Core Expertise 📌 FPGA & DSP: RTL design, Verilog/VHDL, MATLAB/Simulink modeling, signal processing algorithms. MCUs & Development Boards: ESP32, STM32, Arduino, ARM Cortex, PIC, and custom board bring-up, break out board, development kits Embedded Systems & C Programming: Firmware development, driver-level coding, Free RTOS, hardware–software integration. 📌 PCB Design (Altium Designer / KICAD / EasyEDA / DIP TRACE) 📌 High-speed multilayer PCB design (DDR, USB 3.0, PCIe, Ethernet, RF). Impedance controlled routing, EMI/EMC considerations, design-for-manufacturing (DFM) and design-for-assembly (DFA). From schematic capture to Gerber release for production. 📌 Analog RF & Digital Circuit Design 📌 Power electronics, op-amp circuits, ADC/DAC interfaces, signal conditioning, piezo electric transducer driver, flyback converter, buck boost converter, laser diode driver, LED light driver, constant current and PWM control of LED lights, Switch Mode Power Supply (SMPS) design, linear power supply design, switching transformer magnetics design, AC load control using TRIAC, DC load control using SCR, H-Bridge driver for BLDC motor control using high power MOSFETS, gate driver circuit, multivibrator circuit using 555 timer, counter circuits, relay control, IGBT circuit for DC to AC inverter, bridge rectifier circuit for AC to DC converter Temperature, humidity, weight, pressure sensors circuit design for instrumentation electronics, data logging, real time telemetry monitoring, signal conditioning circuit, feedback control circuits, robotics and actuator control, solenoid valve for flow control, PLC, DCS, SCADA for industrial automation, X-Band and S-Band microwave RF power amplifier using GaN and GaAs devices, preamplifier, Directional coupler, band pass filter, Wilkinson divider, diplexer, microstrip transmission lines impedance matching, Low Noise Amplifier (LNA), mixer, microstrip patch antenna, electronic beam steering T/R modules, I/Q modulator, phased array circuits Audio Electronics: Amplifiers, filters, DSP-based audio processing, low-noise analog design, analog crossover network, equalizer, stereo and mono dual channel amplifier, phono preamplifier, hydrophone amplifier, MEMS based microphone array design, electret microphone amplifier, CODEC, RCA to XLR converter, phantom power supply, audio power amplifier for 8 and 4 ohm loud speakers, Digital logic circuits using discrete integrated circuits, sequential circuit, NAND Flash memory circuit, mixed signal circuit using RF transceiver blocks with SMA connectors, FMC HPC connectors, high speed signaling with FPGA SPI, I2C, CAN bus, RS422, RS485, RS232, UART, JTAG, SERDES interfaces, FPGA from Polar Fire microchip, Actel, Xilinx, DSP controller from microchip, microcontrollers from Silabs, PIC, ATMEL, ATMEGA, ESP32-C5, ESP32-S3, STM32, RPI, ARDUINO 📌 Simulation Tools 📌 SPICE-based circuit simulation, LTspice, pspice, Proteus, Multisim, Keysight ADS, Ansys HFSS, MATLAB 📌 3D Mechanical Design 📌 SolidWorks, PTC Creo for enclosures and electromechanical integration. 📌 PCB Design Software 📌 Altium Designer, KiCAD, EasyEDA, DIP TRACE 📌 Programming 📌 C, Embedded C, Python for scripting/automation. 📌 Prototyping & Testing 📌 Oscilloscopes, spectrum analyzers, network analyzer, debugging with JTAG/SWD, power measurements. 📌 Industries I Have Served 📌 ✅ IoT & Smart Devices (ESP32/STM32-based). ✅ Industrial Automation & Control. ✅ Consumer Electronics (Audio, multimedia). ✅ Telecom & Networking Hardware. ✅ Power Systems & Renewable Energy Electronics. ✅ Research & Development Prototyping. ✅ Military & Aerospace ✅ Medical and Pharmaceutical ✅ Universities, Institutions, Academia ✅ Research and Development Organizations 📌 Why Clients Choose Me 📌 ✅ End-to-End Capability — from concept → schematic → PCB → firmware → prototype. ✅ High-Speed PCB Specialist — DDR, USB 3.0, PCIe, Ethernet with impedance control. ✅ Strong Communication — clear documentation, regular updates, and fast responses. ✅ Proven Track Record — 14+ years of hands-on design experience. ✅ Client Satisfaction — long-term Upwork client relationships, repeat contracts, and 5★ feedback. ⭐⭐⭐⭐⭐⭐ CLIENTS SATISFACTION IS MY TOP PRIORITY ⭐⭐⭐⭐⭐⭐

I am an experienced Electrical Engineer and Double Gold Medalist with strong expertise in PCB design, power electronics, and applied research. I have worked on multiple academic and industry-level projects, including circuit design, embedded systems, and power applications. My strength is turning complex ideas into practical, working designs with accuracy and efficiency. Alongside engineering, I also work as an Educational Scholarships Consultant. I guide students in securing international scholarships for undergraduate, master’s, and PhD programs. I have personally secured multiple funded opportunities and understand the full process, from selecting the right program to preparing strong applications. 🟢 Core Services 🟢 ✔ Professional PCB Design (Proteus, Eagle CAD) 🟢 ✔ Circuit Design & Simulation (LTSpice, Multisim, PSIM) 🟢 ✔ Power Electronics & Electrical Systems Support 🟢 ✔ Embedded Systems (STM, FPGA-based designs) 🟢 ✔ Scholarship Guidance & Application Strategy 🟢 ✔ SOP, Proposal & Academic Document Review 🔵 Key Projects 🔵 ✔ Energy Saver PCB Design (Proteus) 🔵 ✔ 120 kVA Online UPS System 🔵 ✔ High Voltage & High-Frequency Testing Supply 🔵 ✔ Self-Balancing & Light-Following Robots (STM) 🔵 ✔ FPGA-Based Digital Stopwatch 🔵 ✔ IEEE 50-Bus Power System Analysis (PSSE, PWS) 🔵 ✔ Nanofluids & Insulation Research Projects 🟣 Tools & Software 🟣 ✔ Eagle CAD, LTSpice, EasyEDA, KiCAD, Altium 🟣 ✔ Protues, Multisim, PSIM, PLECS 🟣 ✔ MATLAB, PSCAD, ETAP 🟣 ✔ PSIM, PSpice, FEMM, COMSOL 🟣 ✔ PSSE, QuickField 🟣 ✔ Visual Studio, Dev C++ 🟣 ✔ Microsoft Office 🟡 I focus on clear communication, practical solutions, and reliable delivery. Whether you need PCB design support or guidance for studying abroad, I can provide structured and effective help. Looking forward to working with you. MF Hameed

Passionate about designing Embedded devices, power electronics, battery operated systems, Raspberry Pi HATs, Arduino Shields. I turn your ideas into market ready products. Expertise in KiCAD, Eagle, Altium and EasyEDA. I have fully functional electronics lab where I offer prototype testing services. I can manage production runs from any PCB manufacturer. On firmware side, I can program in Arduino IDE, stm32Cube IDE and others... With customer satisfaction a priority. I let my work profile speak for myself. Proudly boost my top rated status and 100% happy clients...