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I help startups, inventors, and product teams turn electronic product ideas into robust, reliable, rugged production-ready hardware. 100% Job Score| 11+ years in electronics development | Top Rated Plus | 500+ assignments | 11,000+ Upwork hours | PCB experience up to 32 layers | IPC-certified PCB capability Idea → Architecture → Circuit Design → PCB Development → Prototype Bring-Up → Validation → Manufacturing Handover I am usually brought in when the hardware is commercially important, technically complex, or expensive to get wrong—whether that means converting a proof of concept into custom electronics, reviewing a design before fabrication, resolving an unstable prototype, or preparing a product for manufacturing. I provide end-to-end product-development support across architecture, electronics, PCB design, prototype validation, firmware coordination, enclosure integration, manufacturing preparation, and production support. Attention to detail is central to how I work. I review architecture, interfaces, power, component selection, grounding, thermal behaviour, RF performance, testability, compliance, sourcing, assembly, and manufacturing constraints before they become expensive physical problems. Clients typically engage me for: 1. Converting Arduino, STM32, ESP32, nRF52/nRF53, NXP, TI, i.MX, Raspberry Pi, other development-platform prototypes into custom electronics 2. Finalizing hardware architecture before major development expenditure 3. Developing complex analog, digital, power, RF, wireless, or mixed-signal hardware 4. Reviewing schematics and PCB layouts before fabrication or production release 5. Correcting noisy, unstable, thermally stressed, or unreliable designs 6. Adding senior electronics capacity to an internal product team 7. Preparing electronics for EMI/EMC testing and manufacturing Core areas of work ✅ Hardware Architecture and Feasibility: I evaluate system architecture, processing platforms, power requirements, interfaces, sensing, protection, component dependencies, enclosure constraints, and development risks before the design becomes expensive to change. ✅ Circuit and Advanced PCB Design: I work across analog, digital, power, RF, wireless, sensing, control, battery-operated, low-power, and mixed-signal electronics. My PCB experience includes up to 32 layers, controlled impedance, differential pairs, length matching, high-speed interfaces, blind and buried vias, HDI, advanced stackups, compact placement, high-current and high-voltage sections, signal and power integrity, grounding, thermal planning, antenna placement, RF keepouts, DFM, DFA, and DFT. Primary tools: Altium Designer, KiCad, EasyEDA, EAGLE, and Proteus. I also create schematic symbols, PCB footprints, and integrated 3D library data. ✅ PCB and Hardware Design Review: I assess circuit correctness, design margins, power-tree stability, protection, component suitability, lifecycle risk, placement, routing, return paths, thermal performance, EMI/EMC exposure, testability, DFM, DFA, DFT, and production readiness. Findings are prioritised by severity. ✅ Prototype Bring-Up and Testing: I maintain an equipped electronics laboratory for prototype bring-up, measurement, debugging, and validation. ✅ Design for Excellence: My process incorporates DFM, DFA, DFT, EMI/EMC-conscious design, component lifecycle planning, debug access, BOM awareness, and structured engineering reviews. ✅Relevant experience includes IoT, wearables, industrial and medical electronics, wireless systems, battery-powered products, automotive hardware, consumer electronics, and reverse engineering. Relevant hardware areas: 🏭 Industrial automation and monitoring 🏠 IoT and connected products ⌚ Wearable and compact electronics ⚕️ Medical and measurement-related electronics 🚗 Automotive and transportation hardware 📡 Wireless, RF, BLE, Wi-Fi, LoRa, and GNSS systems ⚡ Power management, battery systems, and high-current hardware 🛰️ Reverse engineering, design recovery, and product benchmarking ✅Direct accountability: I work directly with clients and remain involved in architecture, critical technical decisions, design reviews, and communication. PCB Must Innovations supports documentation, prototyping, sourcing, and manufacturing preparation through a structured process. No unexplained handoffs. No guesswork hidden behind design files. No disappearance after the first prototype. ✅Global availability: I support clients across the USA, UK, Europe, Australia, Canada, and other markets, with planned overlap for meetings, reviews, and handoffs across major time zones. I am best suited to commercially serious projects where reliability, performance, communication, and production readiness matter more than the lowest initial quotation. Share your product objective, development stage, available files, main technical concern, expected quantities, enclosure constraints, and compliance requirements in the message section or book a call

💡 Embedded Systems & PCB Design Expert | 10+ Years of Industry Experience I am an Electronics Engineer with over 10 years of experience in electronic product development, embedded firmware design, PCB layout, and production support. I specialize in delivering reliable, optimized, and production-ready embedded solutions for both industrial and consumer products. ________________________________________ 🔧 Core Expertise ✅ Embedded Systems Development • Custom firmware for microcontrollers • Device drivers & peripheral integration • Low-power and real-time applications ✅ PCB Design & Circuit Development • Schematic capture and multi-layer PCB layout • EMI/EMC-aware design practices • DFM/DFT-oriented hardware design for mass production ✅ Product Engineering • Prototyping to final production support • Testing, debugging, and validation • Component selection and cost optimization ________________________________________ 🛠 Tools & Technologies 🔹 Circuit Design Software: • Altium Designer • KiCad EDA • Eagle PCB 🔹 Microcontroller Platforms: • STMicroelectronics: STM8, STM32 • Microchip: PIC16, PIC32 • Renesas: RL78 Series • Espressif: ESP32, ESP8266 • Raspberry Pi • Arduino (ATmega328) • 8051/8052 • Quectel & SIMCOM GSM/GPRS/GPS modules • LoRa gateways and nodes • Nordic: NRF52, NRF53 🔹 Communication Protocols: • UART, SPI, I2C, I2S • RS232, CAN, MODBUS 🔹 Programming Languages: • C, C++, Python 🔹 Development Environments (IDEs): • IAR Embedded Workbench • ESP IDF with VS-CODE • Keil uVision (MDK-ARM, 8051) • STM32CubeIDE • Code Composer Studio (TI) • CS+ (Renesas) 🔹 Project & Version Control Tools: • JIRA, Trello, Atlassian Suite • Microsoft Teams • GitHub ________________________________________ 🚀 Why Work With Me? • In-depth knowledge of embedded hardware-software integration • Strong debugging and problem-solving skills • Quick prototyping and production-ready solutions • Clear communication, reliable delivery, and quality-focused development Let’s collaborate to bring your ideas to life—from concept to working product.

15+ Years Experience with more than 5000+ PCB design delivered. A Top Rated Plus freelancer with 100% Job success score. I help to develop stable, repeatable, manufacturable design for Startups, Individuals and product manufacturing teams. Following things are my expertise - -Schematic design and multi-layer PCB design in Eagle, KiCAD, Autodesk Fusion360, Altium and Easyeda. -Power Electronics in DC-DC, battery charging systems, PoE, Motor drivers, AC-DC converters - All ESP32 chipsets along with Rokchip, i.MX. RPI CM5, CM4, nRF52 series, STM32 and others - Compliance check like FDA, AEC for Automotive, Consumer Electronics RoHS, CE and FCC - High speed PCIE, DDR4, DDR5, CSI, MIPI, HDMI and display driver protocol. - Low power connected devices that runs on battery and requires extreme battery backup. - RF Boards having 2.4Ghz Bluetooth or WiFi to 20Ghz Doppler boards . - Have experience of very small micro devices that requires HDI stack up and different FAN OUT protocols for Microprocessors. I worked in Medical devices, Automotive Electronics designs, wearables and measurement RF devices. My design takes consideration of thermal behaviors, easy and trouble free Manufacturing support. Work wise - clear and steady communication, no disappearance after you make prototype. File delivery includes Design source file in all cases with Gerber, pick n place, BOM, 3D files. The BOM and Pick n place file generally done in a way that common manufacturer like JLCPCB or PCBWay will provide the PCB from single upload of my file which will be available at your doorstep. I also have own lab to support prototype bring ups and testing facility in my location from all over the world via Fedex and DHL channel. If you are looking for clear, straight forward person who can support you in all phases of product development and work flawlessly to design the hardware where you can concentrate in other aspect, Here I am. Do ping me for any issues.

👑TOP RATED Plus | 70+ happy clients | 4500+ Hrs 💬 "Pramil is an excellent communicator. We have worked together on many projects, he is thorough, thoughtful and is very open to constructive criticism and feedback. He also ensures he's always available to discuss your project when needed. He's a pleasure to work with." ⭐⭐⭐⭐⭐ — CTO @ Able Innovations Inc 💬 "Pramil was extremely well-versed with the requirements of the job and was comfortable working with minimal prior documentation. He went beyond the requirements at every stage to provide suggestions and improvements." ⭐⭐⭐⭐⭐ — COO @ eLogicTech Solutions ⚒ Key Services: ✅ Circuit and PCB design from scratch (Altium / KiCAD / EasyEDA ) ✅ Circuit Simulation (NI Multisim / LTspice ) ✅ BOM optimization ✅ Prototyping ✅ PCB mass production and assembly management ✅ Design consulting for reliable and Cost-effective electronics hardware Hello, As an industrial designer, my areas of expertise include PCB design, schematic capture, BOM optimization, PCB fabrication, and PCBA. My diversified experience in the PCB design field allows me to quickly understand and optimize products for long run, low cost, DFM, and DFT. If you have to solve your design problem, I can help you. I'm on your design team until you are satisfied with the job. Contact me or save my profile link to come back when needed. I am looking forward to building the best product of my life with you. Best Regards Pramil W. ********************************************* Scope of work in past experience 💪 I build hardware for ultra-low power, renewable energy, energy harvesting, wireless and wearable High power high Voltage (AC)Automobile Power Distribution, Motor Drivers, Input Protections, BMS, chargers, home automations, industrial sensor and controller Controller/Processors I used STM32, ESP32, NRF52xx, ESP8266, AVR, MSP430, RP2040, Raspberry pi etc. 📱📶📡 Wireless communication technology hardware I build and test: 4G LTE CAT-1, WiFi, BLE, LoRa, GPS, RFID, NFC 🔧📦 Tools I love Altium Designer, KiCad Designer, EasyEDA, LTspice, Multisim, Blender