
Closed
Posted
Paid on delivery
I’ve thought of a product that springs to life at the tap of a phone or web button, and I need a talented maker to turn that idea into a fully functioning prototype. The core is a pop-up mechanism—whether you favor solenoids, springs, or a tiny geared motor, I’m open—as long as it rises smoothly, reliably, and safely. Control will come from a Raspberry Pi or Arduino (again, whichever you feel best suits the task), with clean wiring and firmware that listens for a remote trigger. Alongside the hardware, I’ll need a very lightweight app or web page that exposes a simple trigger; bonus points if you can add basic status feedback without over-engineering. I’m happy to supply sketches and dimensions. To keep the conversation focused, please share: • Photos, CAD screenshots, or GitHub links that showcase your past electromechanical builds. • A short outline of the pop-up concept you’d pursue and why. • A line-item cost estimate (materials, labor, contingency) and the calendar time you’ll need from parts ordering to a bench-tested unit ready for shipping to me. Deliverables I expect at hand-off: 1. The physical prototype packaged safely for transit. 2. Firmware source and clear wiring diagrams. 3. STL or CAD files for any custom parts. 4. The phone/web trigger app code with brief setup notes. Once I review your proposal, we’ll finalise milestones, sign the NDA, and lock the schedule. I’m aiming for a straightforward, proof-of-concept build rather than a polished production unit, so focus on functionality first. If that sounds like a fit, let’s get building!
Project ID: 40381662
50 proposals
Remote project
Active 25 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
50 freelancers are bidding on average $2,112 USD for this job

As a seasoned Mechanical Design Engineer well-versed in turning concepts into reality, I am confident in my ability to build a fully functional pop-up prototype that aligns perfectly with your project requirements. With over 7 years of experience in the field, I have harnessed my skills in CAD modeling, product development, and engineering analysis, which will play an instrumental role in bringing your idea to life. Notably, my proficiency in SolidWorks and Fusion 360 ensures the generation of precise 3D models, loyal to your sketches and dimensions. Having spearheaded several projects involving challenging electromechanical systems in the past, I am comfortable solving problems related to your pop-up mechanism. My ability to work with various technologies like solenoids, springs or geared motors and platforms such as Raspberry Pi and Arduino makes me adaptable to match your preferences favorably. Additionally, my background in sheet metal design, DFM principles and plastic parts complement my electro-mechanical skillset and further ensure a comprehensive approach for manufacturability considerations in your product.
$1,500 USD in 1 day
8.4
8.4

Hello, I am a design engineer, I am expert in 3D different products designs & Modeling so i can do the required design in the required time. I have finished similar projects before and finished 600+ projects. Please check my portfolio and reviews. Thanks.
$1,500 USD in 7 days
8.3
8.3

Since 2003 I am working in Digital Electronic. So more than 18 years of experience in Electronics. Arduino NANO/UNO/MEGA, ESP32 and Raspberry PI to build a digital device to read sensor data and send it to the web server, motor control, control relay switches and LEDs. More than 5(five) years of experience in Arduino design and build. If you want an excellent and error-free project delivery, then send a message to me, please. Have more than 10(years) years of experience in C/C++ to build Windows/Linux applications and micro-controller firmware building. If you want a good job delivery, then send a message to me, please. Since 1995 I have been working on Analog and Digital Electronics to build any kind of device. I have build lots of devices. So more than 20 years of experience on Electronics. Including power supply design. Any kinds of schematic and PCB design. Expert PCB design in EasyEDA Pro IDE.
$3,000 USD in 30 days
6.6
6.6

With profound skills in both electronics development and firmware programming, I am confident that my abilities align perfectly with your unique pop-up prototype project. My expertise in PCB design and development ensures that your prototype will be of the highest quality, utilizing efficient power supply circuits and multilayer designs for embedded systems. Furthermore, my mastery of communication protocols and wireless technologies lends itself perfectly to the need for clean wiring and Raspberry Pi or Arduino control you specified. In terms of electromechanical builds, I have a diverse portfolio showcased on my GitHub(link provided) that demonstrates a broad range of projects including designing robust LED driver circuits and optimal RF PCB layouts - all attesting to my ability to deliver practical solutions. Drawing from these experiences, I would approach your pop-up concept using either a solenoid or a geared motor mechanism - both ensuring smooth, reliable and safe ascent. With me by your side, you can expect a comprehensive package comprising of a physical prototype ready+s for shipping accompanied with firmware source and clear wiring diagrams as well as any custom STL or CAD files needed; all complemented by an intuitive phone/web trigger app code with brief setup notes. If you are looking for top-notch work with clear accountability at every step while still prioritizing functionality over polish, then I think we've found an ideal partnership!
$2,250 USD in 7 days
6.7
6.7

HI, KINDLY READ THROUGH MY PROPOSAL I will deliver a fully functional pop-up prototype that springs to life instantly at the tap of your phone or web button smooth, reliable, safe mechanism (tiny geared motor or solenoid) powered by Raspberry Pi/Arduino, clean firmware, and a lightweight trigger interface with live status feedback. MY APPROACH ✅ Phase 1: Review your sketches/dimensions, select & build the optimal pop-up mechanism, integrate controller + wiring. ✅ Phase 2: Develop remote-trigger firmware, create simple web/phone app, bench-test full cycle (rise, hold, retract, safe zero). ✅ Deliver complete documentation and ready-to-ship unit. RELEVANT PROJECT EXPERIENCE - Raspberry Pi electromechanical pop-up prototype with web-button trigger & status feedback for interactive exhibit (smooth actuation + firmware delivered on time) DELIVERABLES - Physical prototype packaged safely for shipping - Firmware source + clear wiring diagrams - STL/CAD files for any custom parts - Phone/web trigger app code with setup notes QUESTIONS 1. Can you share your sketches and dimensions now? 2. Any preference for controller (Raspberry Pi or Arduino)? 3. When would you like the Phase 1 intermediate review? Ready to start immediately.
$1,600 USD in 4 days
6.0
6.0

Hello Mate!Greetings , I’ve carefully checked your requirements and really interested in this job. I’m working as a freelance graphic designer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I have rich experienced in Prototyping, 3D Printing, Electronics, Microcontroller, Raspberry Pi, Arduino, Product Design and CAD/CAM. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Eager to hear your feedback
$1,500 USD in 1 day
5.7
5.7

As an experienced and versatile 3D Printable Model Designer with a laser-sharp focus on functionality, I find your project both exciting and tailor-made for my skillset. Over my 6 years-long career, I have had the opportunity to work on numerous prototypes, products, and custom designs, developing accurate and print-ready models that translate ideas into concrete reality. I am well-versed in using slicers like Cura, PrusaSlicer, Simplify3D, and Bambu Studio to optimize settings for reliable prints. Regarding your demand for a pop-up prototype creation, I plan to leverage my CAD/CAM skills to create a design that integrates seamlessly wirings and firmware suited for either Raspberry Pi or Arduino to deliver smooth, safe, and reliable functionality as you requested. My approach is always about ensuring every single part serves a defined purpose efficient;y and effectively. Lastly, on the timeline front - I understand how essential prompt delivery is in some projects. Rest assured that alongside delivering a thoroughly tested physical prototype with clear wiring diagrams and necessary STL or CAD files, I'll provide you with the firmware source code as well as the precise phone/web trigger app code along with brief setup notes needed. With me at the helm of your project, you can expect wickedly optimized functionality without overlooking the core directive of keeping things elegantly simple.
$1,520 USD in 2 days
5.4
5.4

Mechanical Design & Engineering Expertise: Reverse Engineering | Fabrication | DFM | 3D Printing | Concept Design | Product Development / Improvement I am a Mechanical Designer with over 8 years of experience turning complex ideas into functional, manufactured products. I focus on creating designs that aren’t just visually sound, but are technically optimized for real-world performance and efficient production. Software Proficiency: SolidWorks • Autodesk (AutoCAD, Fusion, Inventor) • Maya • Matlab • Rhino • Catia Best Regards, MOHAMED EWAIDA Senior Mechanical Designer
$3,000 USD in 7 days
4.9
4.9

Hello, ✅ Can you confirm required lift force and stroke length for stable pop-up motion? ✅ Should the trigger use local network (WiFi/Bluetooth) or cloud API for reliability? I will design a compact spring-assisted linear pop-up with a solenoid latch, driven by Arduino for fast response and simple control, ensuring smooth and safe actuation. I have experience building electromechanical prototypes with clean wiring, custom CAD parts, and embedded firmware integrated with lightweight web triggers. I will deliver full CAD, STL, wiring diagrams, and a minimal web app with status feedback for reliable remote activation. Please let’s connect to refine specs and proceed with the prototype build. Best regards, Mohand
$2,000 USD in 7 days
4.6
4.6

Hi, I am a U.S.-based certified electronics and embedded firmware engineer with proven experience delivering reliable electromechanical prototypes that combine precise actuation with clean, maintainable control systems. I have developed solenoid- and motor-driven mechanisms using platforms such as Arduino, Raspberry Pi, and ESP32, always providing complete CAD files, firmware, and validation documentation. For your concept, I propose a spring-assisted pop-up mechanism with a controlled release via a precision solenoid or compact geared motor, selected to ensure smooth motion, repeatability, and safe operation. The system will be built around a Wi-Fi-enabled controller (ESP32 recommended) with a lightweight web interface for remote triggering and optional status feedback, avoiding unnecessary complexity. You will receive a fully assembled and securely packaged prototype, along with firmware source, wiring diagrams, CAD/STL files, and the web trigger application with clear setup instructions, delivered within 2–3 weeks. Best regards, Jared
$2,250 USD in 7 days
4.6
4.6

Best Electromechanical Prototype Developer for Remote-Triggered Pop-Up Systems! ⭐⭐⭐⭐⭐ Dear Client, The biggest risk in this project is not making something pop up. It is building a mechanism that technically moves, but does not rise smoothly, safely, and repeatably enough to feel like a real product. That is what separates a working demo from a dependable prototype. I would approach this by: 1. choosing the right pop-up mechanism first based on motion quality, safety, and repeatability 2. building the control side around a simple, reliable Raspberry Pi or Arduino architecture with clean remote triggering 3. delivering the prototype with wiring, firmware, CAD/STL files, and a lightweight trigger interface that is easy to test and easy to hand off This keeps the first build focused on dependable function rather than unnecessary complexity. Two quick questions: 1. Is your highest priority fastest motion, smoothest motion, or quietest motion? 2. Do you already have fixed travel dimensions and force requirements for the pop-up action? If you message me, I can outline the cleanest concept I would pursue first and how I would keep the prototype practical from build through shipping. Best regards, Prat PCB Must Innovations
$2,000 USD in 7 days
6.3
6.3

✅Hi, Client. I am a senior Micro C Developer✅ I am interested in your project. I am a senior Micro C Developer with over 10 years of rich experience in C/C++/Micro C Programming using PLC/PIC/ATmega/STM32/Arduino and PCB design using Kicad and Altium. So, I can complete it within your timeline. Please send a message to discuss this. I look forward to hearing from you. My main goal is to gain my client's satisfaction by completing a job with 100% accuracy Best regards! From Hien ...
$5,000 USD in 25 days
4.3
4.3

A smooth, reliable pop-up mechanism coupled with clean firmware and simple app control is right in my wheelhouse. Using a geared motor for precision and an Arduino for straightforward integration strikes the right balance for reliability and simplicity. Many overlook the importance of clean, well-documented wiring and firmware for future tweaks or troubleshooting, which I prioritize from the start. It saves time and confusion down the road. I keep projects transparent and on track by breaking deliverables into clear steps and providing frequent, straightforward updates. This makes sure timelines and goals stay aligned without surprises. Reach out for a free consultation, happy to share a clear next step with no expectations. Stefan
$1,800 USD in 14 days
4.0
4.0

As an experienced 3D Modeling and Printing Specialist, I strongly believe in the power of prototyping to bring ideas to life. I'm confident in my skills in using a variety of 3D modeling software - such as Blender, SolidWorks, and Fusion 360 - to create precise and print-ready models like the one you require for this prototype. My expertise extends beyond just design; I have a comprehensive understanding of various materials suitable for printing, including those you mentioned such as PLA, PETG, ABS, TPU, and resin. I particularly enjoy tackling creative challenges like your pop-up concept. My approach would be to start with your provided sketches and dimensions to develop the core mechanism that best meets the required criteria - smooth, reliable, and safe. Incorporating either solenoids, springs or tiny geared motors can all work well depending on numerous factors which I'll be happy to discuss in detail. To make control easy yet effective, I'd propose using Raspberry Pi for robust functionality alongside a lightweight web page for the trigger.
$1,707 USD in 2 days
4.3
4.3

Hi there, This is a great electromechanical prototype—simple in concept but needs careful execution for reliability. I’ve built similar actuator-based systems with microcontroller control and web triggers, so I can take this from idea to working unit. Concept approach: I’d use a spring-assisted pop-up with a solenoid latch: • Solenoid releases → spring provides smooth, fast motion • Controlled damping (mechanical or PWM) to avoid harsh impact • More reliable and energy-efficient than driving full motion with a motor Control system: • MCU: ESP32 (preferred over Arduino/Raspberry Pi for built-in WiFi) • Simple REST/web interface (button trigger + status feedback) • Clean wiring + protected driver stage (MOSFET + flyback) What I’ll deliver: • Fully assembled prototype (tested before shipping) • Firmware (documented) + wiring diagrams • CAD/STL for enclosure/mechanism • Lightweight web app (local or cloud trigger) • Setup notes for quick replication Estimated timeline: • Design + parts: 3–5 days • Build + test: 3–4 days → Total: ~1–1.5 weeks Rough cost: • Parts: $40–$80 • Build & design: depends on iteration level I focus on making prototypes that work reliably on first demo, not just look good. If you share dimensions/sketches, I’ll refine the mechanism and start immediately. Best regards
$2,250 USD in 7 days
3.9
3.9

⭐⭐⭐⭐⭐ Really like this concept—simple on the surface, but it needs thoughtful mechanics to feel right and not fail. I’d build this as a spring-loaded pop-up with a motorized latch/release. That gives you smooth motion, low power draw, and better reliability than driving the full lift with a motor or solenoid alone. Arduino (or ESP32 if you want WiFi onboard) keeps control tight and responsive. Approach: • Design pop-up mechanism (spring + guided rails + latch) • Add limit detection for safe travel • Microcontroller + driver + clean wiring • Lightweight web trigger (simple local page/API) • Bench testing for repeat cycles Milestones: Concept + CAD + parts list Mechanical prototype build Electronics + firmware integration Web trigger + testing + docs You’ll receive the full unit, firmware, CAD/STLs, and simple web control code. Quick question: what size/weight does the pop-up element need to handle? Happy to build this out with you.
$1,500 USD in 5 days
2.9
2.9

I have spent more than 7 years on my skills in AutoCAD, CAD/CAM and have successfully delivered intricate and detailed projects for my clients for electronics, mechanical and mechatronics projects. Besides technical know-how, successful problem-solving abilities help in product design using softwares like AutoCad and Solidworks for product design along with 3D Printing them as prototype.
$1,500 USD in 15 days
2.7
2.7

Hi, good day! I would like to apply for this project. I can develop a reliable pop-up mechanism prototype using Arduino or Raspberry Pi, including mechanical design, control firmware, and a simple phone/web trigger interface. I’ll provide complete CAD/STL files, wiring diagrams, and tested firmware to ensure smooth and safe operation of the mechanism. I look forward to this project being awarded to me. Thank you.
$1,500 USD in 4 days
1.2
1.2

Hey, You have a product idea with a pop-up mechanism — solenoid, spring, or small motor. Controlled by Raspberry Pi or Arduino with a remote trigger via phone or web page. I can build that prototype for you. Here is what I will deliver: Physical prototype with smooth, reliable pop-up action Clean wiring and firmware that listens for a remote trigger Lightweight web page or app with a simple trigger button Basic status feedback (optional, not over-engineered) Firmware source code and wiring diagrams STL or CAD files for any custom parts App or web page code with setup notes I will work from your sketches and dimensions. Proof-of-concept first, not polished production. I can share examples of past electromechanical builds. Send me your sketches and dimensions. Thanks, Revival
$1,500 USD in 30 days
2.9
2.9

Hi, I have experience in Arduino, Raspberry Pi, microcontrollers, CAD design, 3D printing, and electromechanical prototyping. For this project, I am going to design a compact pop-up mechanism using a reliable actuator setup (spring-assisted with solenoid or micro geared motor depending on force/space constraints), controlled by Arduino/Raspberry Pi firmware that listens to a simple web trigger, with clean wiring and safe, repeatable motion. I’ve built hands-on hardware + software prototypes before, so I can deliver a working unit with CAD/STL files, clear wiring diagrams, and a lightweight web interface for triggering and basic status feedback, keeping everything simple and functional for a solid proof-of-concept. You can expect clear communication, fast turnaround, and a high-quality result. Best regards, Juan
$2,000 USD in 7 days
0.0
0.0

Orlando, United States
Payment method verified
Member since Sep 17, 2025
$3000-5000 USD
$1500-3000 USD
$750-1500 USD
₹1500-12500 INR
₹1500-12500 INR
$750-1500 USD
₹600-1000 INR
$30-250 AUD
$30-250 USD
$30-250 USD
$10-30 USD
€8-30 EUR
$10-30 USD
₹600-1500 INR
$250-750 USD
₹12500-37500 INR
$250-750 USD
$30-250 USD
$30-250 USD
£20-250 GBP
$30-250 USD
£20-250 GBP
€8-40 EUR