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I will design circuit schematic, pcb boards, pcb layout, create gerber and bom files
Electronics and CAD Engineer
Hi, I’m Williams Hold, a Product Design Engineer and CAD specialist helping startups and businesses turn ideas into manufacturing-ready products. I specialize in product design, 3D CAD modeling, PCB d...
About this Gig
Are you looking for professional PCB design, custom PCB layout, or embedded system development? You're in the right place!
With 8+ years of experience in electronics development, I help bring ideas to life through professional PCB circuit design, IoT hardware integration, and firmware development for prototypes and market-ready products.
What I Offer:
- PCB layout & schematic design
- High-speed & power application PCBs
- Embedded systems & hardware prototyping
- Firmware development in C/C++/Python
- Microcontroller programming Arduino, STM32, ESP32
- IoT device development & automation
What You'll Get:
- Clean, professional schematics
- Reliable, tested custom PCB
- Fast turnaround & support
- 100% satisfaction guaranteed
Technologies Used:
Arduino | Raspberry Pi | STM32 | ESP32 | KiCAD |Proteus | Altium | MQTT | Firebase | Python | C/C++
Specialized In:
- IoT development & monitoring systems
- Embedded product design
- Industrial electronics & automation
- ESP32 PCB design & mobile app integration
Deliverables:
- Gerber files for PCB manufacturing
- Schematic and layout files
- Source files
- Firmware
- Assembly Drawings
- 3D models (KiCAD) & PDFs
- BOM with manufacturer part numbers
- Pick and Place file
Contact me
FAQ
I only have an idea or rough sketch. Can you still help me develop the PCB?
Many clients come with just an idea, a hand sketch, or a reference product. I can help translate your concept into a proper electronic design, select the right components, and turn it into a functional PCB ready for prototyping or manufacturing.
Can you help review or improve my existing PCB design?
Yes, I can. If you already have a schematic or PCB layout that needs optimization, debugging, or design improvement, I can review it and suggest changes to improve performance, reliability, and manufacturability.
Will the design be ready for manufacturing and assembly?
Yes. The files I deliver are prepared to meet manufacturer requirements so your PCB can be produced without unnecessary issues. I also ensure the component selection and layout follow practical manufacturing standards.
Can you help me choose the right components for my project?
Of course. Selecting the correct components is a critical part of any electronics project. I can help choose reliable, cost-effective parts that match your performance needs and are readily available from trusted suppliers.
Do you support projects that involve wireless communication or IoT connectivity?
Yes, I regularly work on projects that require WiFi, Bluetooth, or cloud connectivity. If your device needs to communicate with a mobile app, server, or IoT platform, I can help design the hardware and firmware for it.
What if I need revisions or changes after delivery?
I’m happy to make reasonable adjustments if something needs to be refined. My goal is to make sure the final design meets your expectations and works properly for your project.
How do we start working together on my project?
Simply send a message with your project details, idea, or any reference materials you have. I’ll review everything, ask a few questions if needed, and guide you on the best approach before we proceed.
