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I hold the provisional patent for a new electronic lock and now need a tangible, working prototype that demonstrates the concept end-to-end. Your role spans the full journey from engineering the electronics and firmware to shaping a robust outer casing and shipping a fully assembled unit I can test in real-world conditions. The core idea is already locked into the patent drawings and claims; what’s missing is the practical build. You’ll translate my sketches and legal diagrams into detailed CAD files, select and source components, lay out the PCB, write the control firmware, and integrate everything inside a sleek, durable enclosure. I am open on final materials—metal, plastic, or a hybrid—so long as the finishing feels premium and stands up to daily use. While the patent text outlines baseline behaviour, I’m willing to explore value-adding features such as fingerprint recognition, keypad or app-based remote access if they can be delivered within a single prototype iteration. I’m relying on your experience to recommend the best microcontroller, sensors, and power strategy to keep the lock compact yet secure. Deliverables • Complete mechanical CAD of the lock body and internal mounts • Production-ready PCB layout, Gerber files, and BOM • Firmware source code with inline documentation • Assembled, fully functioning prototype shipped to me • Short video demo and a test report confirming the lock’s main functions match the patent description Acceptance criteria: once the prototype arrives, it must power on, actuate reliably, and respond to the chosen authentication method at least 50 consecutive times without failure. If you’ve taken similar concepts from patent to prototype before—especially in consumer security devices—let’s talk timelines and the best way to break the work into milestones.
Project ID: 40626986
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Active 7 days ago
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7 freelancers are bidding on average $700 USD for this job

⭐⭐⭐⭐⭐ Your project is exactly the type of end-to-end product development I specialize in. Taking a patented concept from drawings to a fully functional prototype requires seamless integration of mechanical design, electronics, firmware, and manufacturing—and that's where my experience adds value. As a Professional Engineer with 15+ years of experience, I can develop your lock from concept to working prototype, including CAD design, PCB development, embedded firmware, enclosure engineering, component sourcing, assembly support, and functional testing. Proposed milestones: Review patent package and define system architecture. Design mechanical enclosure, internal mounts, and electronics. Develop PCB, firmware, and authentication system. Assemble, test, and validate the prototype. Deliver production-ready files, documentation, demo video, and the assembled unit. I'm also happy to evaluate value-added features like fingerprint access, keypad, or Bluetooth/app control while keeping the design compact and reliable. A few questions: Which authentication method is essential for the first prototype? Do you have size or power constraints? Is this prototype intended for proof-of-concept only or future production? I'd be excited to help transform your patented idea into a reliable, premium-quality prototype.
$750 USD in 7 days
5.1
5.1

I am a perfect fit for this requirement. I have already completed similar product development projects and bring 17 years of experience in mechanical product design and prototype engineering. I can deliver complete CAD, enclosure design, PCB integration support, DFM, component packaging, and prototype-ready documentation while working closely on the electronics integration. Have the patent drawings and functional sequence been finalized? Do you have a preferred authentication method (fingerprint, keypad, BLE, or NFC) and target lock dimensions? It would be my pleasure if you give me the opportunity to show my capabilities. Thank you for your valuable time and consideration.
$750 USD in 7 days
4.5
4.5

Okay, I got what you want exactly. I am a Full Stack Engineer Embedded Engineer and PCB Designer with 10 years of experience, providing smart lock development, embedded firmware, custom PCB design, motor control, wireless authentication, battery-powered IoT systems, and prototype product development. In my opinion, this project requires a complete hardware and mechanical approach to transform the patent concept into a reliable working product. I would focus on creating a compact architecture with secure authentication, efficient power management, reliable locking mechanics, and a premium enclosure design suitable for future manufacturing. This project is very similar to my previous works. I have developed IoT security devices, motor-control systems, battery-powered embedded products, and custom electronics from concept through prototype validation. My experience includes schematic design, PCB layout, firmware development, wireless connectivity, sensor integration, and preparing complete production documentation. ✅ So, I will divide your project into three major steps. 1️⃣ Analyze the patent concept, define the system architecture, select components, and design the mechanical structure. 2️⃣ Develop the PCB, firmware, authentication features, enclosure CAD, and assemble the prototype. Via private chatting or meeting, I will provide the creative idea and good tech solution for your project. Best regards. Maksym
$750 USD in 7 days
0.0
0.0

Hi, taking a patented lock concept to a working prototype is exactly the kind of hardware project we handle end-to-end — CAD, PCB, firmware, and enclosure under one roof. Approach: translate your patent drawings into mechanical CAD sized around the electronics from the start, build the PCB around a compact low-power MCU (ESP32 if you want app/remote access), write firmware built to hit your 50-cycle reliability requirement by design, and finish in an enclosure material chosen for both fit and premium feel. Honest note: the $500-1,000 range covers design/dev labor well, but PCB fab, components, enclosure manufacturing, and shipping typically run as a separate materials cost — happy to break that out clearly so there's no surprise. Deliverables: full CAD, PCB/Gerbers/BOM, documented firmware, assembled unit shipped to you, demo video, and test report against your patent claims. Happy to talk milestones and optional fingerprint/keypad/app features once scope is confirmed.
$600 USD in 7 days
0.0
0.0

Hi, I carefully reviewed your project for Prototype Patented Electronic Lock Design. I understand you need a working prototype that demonstrates your electronic lock concept end-to-end. Here’s how I would approach it: • Translate your patent drawings into detailed CAD files. • Source components and lay out the PCB to ensure compactness and security. • Develop firmware and integrate everything into a premium enclosure. Although I’m new on Freelancer and don’t have reviews yet, I have solid experience with electronics prototyping and have successfully taken similar concepts from patent to prototype. I can send examples of my work from other platforms. I’m offering a competitive rate and can start right away. You’ll receive clear updates and on-time delivery. Would you like me to prepare a small free sample related to your project so you can see the quality first? Looking forward to working with you. Best regards, danielpeters146
$500 USD in 7 days
0.0
0.0

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