Wassam A.

I am a PCB Design Engineer specializing in Altium Designer, KiCad, embedded hardware, RF PCB design, and complete electronics product development. I help startups, engineering teams, and product developers transform concepts, prototypes, and existing hardware into reliable, manufacturable electronic products. From system architecture and circuit design to PCB layout, prototyping, testing, debugging, firmware integration, and manufacturing preparation, I support the complete hardware development lifecycle. My expertise includes: 🔧 PCB Design & Electronics Hardware Development • 2–16+ layer PCB design for analog, digital, mixed-signal, high-speed, RF, and power applications • Professional schematic capture and circuit design • High-speed PCB layout and controlled-impedance routing • RF PCB layout, wireless hardware, and PCB antenna design • Power integrity, signal integrity, EMI/EMC-aware design • Component selection, BOM optimization, and design reviews • DFM/DFA/DFT optimization for manufacturing readiness • Gerber, NC Drill, Pick-and-Place, CPL, and fabrication documentation Tools: Altium Designer, KiCad, EasyEDA, Proteus 🔍 PCB Reverse Engineering & Hardware Analysis I can analyze and recreate existing electronic hardware from physical PCBs, images, Gerber files, legacy designs, or prototypes. Services include: • PCB schematic reconstruction • Component and IC identification • Net tracing and circuit analysis • BOM creation and optimization • Connector and pinout analysis • PCB layout recreation • Design verification and improvement recommendations 💻 Embedded Systems & Hardware Integration I design and integrate embedded hardware using: STM32 | ESP32 | ESP32-S3/C3 | Nordic nRF52/nRF53 | AVR | PIC Experience includes: • Embedded C/C++ development • Bare-metal programming • FreeRTOS applications • Peripheral drivers • Sensor and communication interfaces • Hardware–firmware debugging Protocols: UART, SPI, I²C, CAN/CAN FD, USB, Ethernet, BLE, Wi-Fi, LoRa, MQTT, RS-232, RS-485, and Modbus. 📡 RF & Wireless Hardware I work on RF PCB design, antenna integration, controlled-impedance routing, and wireless electronics including: • BLE devices • Wi-Fi products • LoRa systems • LTE/5G hardware • PCB trace antennas I use CST Studio Suite for antenna modeling and RF analysis. ⚡ Power Electronics My experience includes: • DC/DC converters • Battery charging and protection circuits • BMS-related hardware • Power management systems • Motor controllers • High-current electronics • Protection and monitoring circuits • Renewable energy and inverter-related hardware I focus on efficiency, thermal performance, component reliability, grounding, protection, and manufacturable PCB layouts. 🧪 Simulation & Design Validation I use simulation tools to identify issues before fabrication and reduce prototype iterations: • LTspice • PSpice • MATLAB/Simulink • PLECS • Multisim • Proteus • CST Studio Suite 🏭 Product Development & Manufacturing Support I can take your product through the complete engineering process: Requirements → Architecture → Circuit Design → PCB → Simulation → Prototype → Firmware → Testing → DFM → Manufacturing Deliverables can include: ✔ Schematics ✔ PCB source files ✔ BOM ✔ Gerber files ✔ NC Drill files ✔ Pick-and-Place/CPL files ✔ 3D PCB models ✔ Firmware files ✔ Manufacturing documentation Why clients choose me: ✔ Professional PCB and electronics engineering experience ✔ Strong Altium Designer and KiCad expertise ✔ Mixed-signal, RF, and high-speed PCB knowledge ✔ Embedded hardware–firmware integration ✔ Manufacturing-focused design approach ✔ Clear communication and engineering documentation Whether you are building a new electronic product, improving an existing PCB, reverse engineering legacy hardware, or preparing a design for production, I can help you develop a reliable engineering solution from concept to manufacturing.