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I provide PCB design, schematic capture, and PCB layout services using KiCad for ESP32, STM32, IoT, and embedded hardware products. My focus is reliable layouts, stable power delivery, and DFM-aware designs ready for prototyping and manufacturing (Gerbers, BOM, Pick-and-Place / CPL), including JLCPCB and other PCB fabrication / assembly workflows. What I help clients avoid: • Noisy ADC readings caused by poor grounding or poor PCB layout • Unstable regulators, weak power rails, or power supply issues • USB, UART, CAN, RS-485, or communication problems from routing mistakes • Costly PCB re-spins caused by avoidable design errors Recent work includes: • ESP32 boards with USB-UART and auto-programming circuits • STM32 mixed-signal boards with analog / digital grounding and layout separation • Buck converters with filtering and stable power stages • Microcontroller development boards for embedded systems prototyping What I deliver: • Circuit design, schematic capture, and PCB layout • Grounding, decoupling, and power distribution strategy • USB differential pair routing and interface design • 2-layer and 4-layer PCB stackups • Gerbers, BOM, Pick-and-Place / CPL files • Manufacturer-ready outputs for JLCPCB and other PCB fabs I aim to deliver practical, production-ready hardware designs that reduce iteration time and help projects move smoothly into prototyping and assembly.

I help companies turn ideas and electronics designs into fully working and reliable devices. I am a Hardware and Firmware Engineer with 10+ years of experience developing real products, with hardware designed for 70+ successful projects, many of which are currently on the market. Unlike many freelancers who stop at schematic and PCB design, I support projects through board bring-up, firmware integration, and system debugging in a hardware lab, ensuring the device actually works and meets the expected specifications. I also work directly with PCB manufacturers and assembly partners, helping clients avoid production issues and ensuring designs move smoothly from prototype to manufacturing. My approach focuses on building functional systems, validating them through testing, and identifying issues early before they become expensive problems in production. Two client Products I Have Developed: ✅ Smart home devices ✅ Corrosion monitoring sensors ✅ Drone and boat controllers ✅ Gimbal control systems ✅ BLDC motor controller for medical beds ✅ Muscle stimulators ✅ Medical scales ✅ Smart irrigation and weather monitoring systems ✅ Smart camera systems What I Deliver: ✅ Hardware architecture and PCB design ✅ Embedded firmware development ✅ Functional PCB prototypes ready for testing ✅ Board bring-up and hardware validation ✅ Hardware debugging and troubleshooting ✅ Reliability design reviews (ESD protection, thermal stability, power integrity, signal integrity, EMC, UL, CE) Typical Projects I Help With: ✅ Bringing up new PCB prototypes ✅ Debugging boards that are not working or unstable ✅ Hardware and firmware integration ✅ Reviewing schematics and PCB layouts before manufacturing ✅ Reliability audits to improve product lifetime ✅ Fixing power stability, ESD protection, and thermal issues During my career, I have used various technologies and components. Below are some of them: ⭐RF modules: LORA, WIFI, BLE, GPS, GSM, LTE, ZIGBEE, NRF52840, ESP32, SARA-R510, CC2530, CC2538, SIM9001, SIM800, Quectel, Arduino_IOT... ⭐Microcontrollers/Microprocessors: STM32 ( F and L family), ATAMEGA, ESP32, MSP430, MSP432, ATSAM, NFR52840, PIC32, PIC24, NXP, ARDUINO, IMX8... ⭐ Sensors: Temperature, humidity, O2 sensor, PH sensor, Light sensor, motion sensor, water leakage sensor, Nitrate sensor, current sensors, Voltage sensor, distance sensors, corrosion sensor, Scale sensors, accelerometers, Magnetometers, Rain sensor, Air quality sensors... If you are looking for someone who can design, bring up, and debug your hardware until it works as expected, please send me a message, and we can discuss your project.

I am an expert in KiCad and Eagle. I am experienced RF Electrical Engineer. The schematics and layouts are my strong points. I will update the library both schematic and layout and generate the Gerber files. Maintain design rules of PCB broads including track widths, vias, via drills, maintain clearance, pear gaps for main manufacturers. Also, I will recommend suggestions for manufacturers.

Bringing innovative mechanical products to market is no easy feat. It's a journey filled with challenges and potential pitfalls. As a seasoned founder, I've raised over $2M in funding and reduced product costs by 64% though supply chain / design improvements in my own appliance manufacturing venture. Now it's my goal to help Entrepreneurs and SMEs accelerate their product to the next stage of growth. Particularly with clients in the renewable energy and consumer appliance industries. Specializations include: • Product Launch: Flexible guidance for entrepreneurs through all stages of growth including product market fit, research, rapid prototyping, operations planning, venture capital and exit strategy. • Mechanical Engineering: Product specification, CAD modeling, prototyping, product testing, design for manufacturing, product certification, product support, and patent development. • Supply Chain: Manufacturer sourcing, supplier relationship management, production planning, product protection strategy and design for manufacturing. I see my clients as partners in a shared journey to success. Let's connect and take your product to the next level together!

Do you need help with your next hardware project ? Here is what I can do for you: *Hardware & PCB design: -From simple MCU boards with sensors and actuators to complex circuits containing RF blocks, CPUs, SoCs, FPGAs, PMICs and DDRx memory. -High-speed digital design and routing (Ethernet, HDMI, USB, PCIe, LVDS, SATA, MIPI, CAN). -Power electronics: battery management systems and BLDC drivers. -Signal integrity, power integrity, DFM, EMC and thermal considerations. *What you can expect -Clear and consistent communication. -Professional documentation and organized schematics. -Fast, reliable turnaround. -Support from idea - block diagram - schematics - PCB layout - Fabrication My hourly rate is flexible, it depends on your project's complexity and the level of support required. If this sounds good to you, feel free to send me a message so we can discuss more details. I am looking forward to working with you. Kamal

I am an experienced Electronics Engineer with a wide range of skills specifically tailored to PCB and PCB related designs. My formal education is in Computer Engineering from the University of Illinois at Chicago where I focused my studies on system level programming, microcontroller based designs, and semiconductor physics. The majority of my career has been spent working with start-ups in a number of different industries and filling talent gaps that are beyond that of your typical electronics design engineer, which make me a valuable asset for all your electronics needs. Below are a few of my capabilities, feel free to send me a message asking about any of these skills or if there is something you don't see listed here. Keep in mind, I am new to UpWork and still working on building my profile, but that does not mean I am new to PCB design or electronics development. That is my bread and butter and something I do quite well. I hope you find what you are looking for. Thank you, and I hope to learn more about your project!   Key Points - 8 years of Electronics Engineering experience - Experience designing for commercial, automotive, and industrial sectors. - Wide range of engineering and design related skills related to electronics, electronics product design and electronics manufacturing - PCB design, 3D modeling, embedded programming, electronics manufacturing and assembly, factory automated test fixture design, embedded MCU development fixture design Skills and Capabilities **Custom PCB Design** ----------------------------- o Schematic capture and PCB layout o Embedded microcontroller o Analog circuits o Digital circuits including differential and impedance matching o Power delivery and regulation o Sensor implementation including analog transducers and MEMS o Multilayer including High Density Interconnects (HDI) o EDA usage including Altium, OrCad, and KiCad **Design for Manufacturing (DFM)** ------------------------------------------- o Component count and cost analysis o Form factor manufacturability including PCB shape and component clearance o In contact with distributor representatives for component sourcing **Testing and Troubleshooting** -------------------------------------- o Power consumption profiling o Digital and analog signal interpretation o Prototype reworking **In-House Electronics Manufacturing** ------------------------------------------------ o Framed and frameless stencil paste application for SMD o Fully automatic Pick and Place  Components size down to 0201  Top and bottom vision for 0.1mm placement accuracy  Dual nozzle pick head for component placement up to 750 CPM  Tray, cut tape, and reel compatibility  All tape sizes accepted  Single board or panel array configuration  180mm x 220mm maximum PCB or panel size o Hot air reflow  High temperature lead-free SAC305 capable  180mm x 220mm maximum PCB or panel size  Double sided PCB capable o RoHS compliant **Custom 3D modeling** ------------------------------ o Test fixtures o PCB enclosures o Potting and PCB encapsulation molds o Additions and alterations to existing designs o CAD tools including FreeCAD and Fusion360 **In-House 3D Model Prototyping** ------------------------------------------ o Benchtop CNC mill and router  Machining materials include wood, plastics (acetol, ABS, acrylic, nylon, PTFE), aluminum, copper, steel o FDM printing  Printable materials include PLA, ABS, TPU, PETG  Print volume: 220mm x 220mm x 220mm o gCode interpolation and programming knowledge **Firmware and Embedded Programming** --------------------------------------------------- o Embedded C and python o Timers, interrupts, and DMA driven applications o Digital peripheral drivers including SPI, I2C, UART, PWM, CANBus o Analog peripheral drivers including ADC, DAC, opamp, comparator o Familiar with RTOS scheduling and threaded computing o Code size optimizing and memory usage o JTAG debugging and MCU register interpretation o Text based or IDE based environments