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I am building a compact personal-mobility device intended for everyday use in dense urban areas. The core requirement is seamless smartphone connectivity: riders should be able to pair their phones quickly, view key ride data, and handle basic controls through an app. I would also like the hardware to play nicely with a laptop for diagnostics or firmware updates, so please factor USB-C or Bluetooth LE into the electronics plan. Here is the scope as I see it: • Concept refinement and preliminary sketches that balance manoeuvrability with city-friendly dimensions • Full CAD and mechanical design files (STEP or SolidWorks) suitable for rapid prototyping or CNC fabrication • Electronics architecture, PCB layout, and embedded firmware enabling reliable phone pairing and the laptop-based service interface • A working prototype (or clearly documented build package) that can be tested on typical city streets at moderate speed • Brief test report outlining performance, connectivity stability, and any recommended tweaks Self-balancing or GPS navigation are not mandatory, yet I am open to suggestions if you can integrate them without blowing up complexity. Acceptance criteria – Device operates for at least 30 minutes on a single charge under urban stop-and-go conditions – Smartphone app displays real-time speed, battery level, and ride statistics with no dropouts during a 10-minute test run – Firmware can be flashed or debugged via laptop in under 3 minutes If you have verifiable experience designing micro-mobility hardware, embedded systems, and companion apps, I would love to review your approach and a rough timeline.
Project ID: 40659056
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43 freelancers are bidding on average $482 USD for this job

Hi, I am an embedded systems engineer with over 16 years of experience taking connected consumer products from early concepts through electronics, firmware, prototyping, and production. This project brings together the areas I work in most: battery-powered hardware, BLE/USB-C connectivity, real-time telemetry, companion apps, and practical mechanical integration. I would begin by refining the form factor, rider loads, drive system, battery capacity, and safety constraints. From there I can develop the CAD/build package, electronics architecture and PCB, embedded firmware with reliable BLE pairing and rapid laptop flashing, plus the app interface for speed, battery status, and ride statistics. The design will include power-budget calculations for the 30-minute runtime target, diagnostic logging, connectivity testing, and a concise report with prototype and production recommendations. I can also advise on GPS or balancing features without letting them distract from a dependable first prototype. What rider weight and maximum speed should the initial design support? I would be glad to discuss the concept, milestones, and prototype strategy with you.
$650 USD in 14 days
7.6
7.6

As an experienced full-stack software engineer with a decade's worth of successful projects under my belt, I can confidently say that I'm the perfect fit for your ambitious urban mobility prototype. Not only am I well-versed in mobile application development, but I also bring extensive expertise in hybrid app development using platforms like Flutter and React Native - a vital skill for your smartphone connectivity project. In terms of hardware design, specifically micro-mobility solutions and embedded systems, my career has been built on the back of it. My knowledge of CAD, mechanical design files, electronics architecture, PCB layout, and embedded firmware all align beautifully with the requirements you've outlined. From concept to completion - I'm here to help you achieve your vision. One standout element in my approach is the commitment to regular communication. Throughout this project, I will not only keep you informed of every development but also provide daily support and generate well-commented source code upon its completion. Trust that my reliability in keeping promises extends to delivering on time while never compromising on quality. Let's start working together and revolutionize urban transportation!
$500 USD in 7 days
7.8
7.8

Hello!! Your mobility prototype needs a reliable hardware, embedded firmware, and smartphone system with Bluetooth connectivity, real-time ride data, laptop servicing, and a prototype ready for urban testing. * Do you already have preferred hardware or microcontroller components? * Should the smartphone application support both Android and iPhone? * Do you have initial dimensions or sketches for the device? The solution will cover mechanical and CAD design, electronics architecture, PCB planning, embedded firmware, Bluetooth Low Energy connectivity, and the companion application. Battery performance, stable data communication, laptop firmware updates, and the stated acceptance tests will be carefully validated. Relevant embedded, Bluetooth, CAD, and connected-device projects have been completed, combining practical hardware design with dependable software communication. The focus will be a prototype that is realistic to build, test, and improve. Looking forward to discussing the project in chat. Best regards Farhin B
$250 USD in 7 days
6.7
6.7

Hello! As per your project post, you are looking to develop a compact urban mobility device with smartphone connectivity, allowing riders to pair their phones, view ride data, and manage basic controls through an app. The goal is to create a practical, city friendly prototype with reliable electronics, mechanical design, and laptop connectivity for diagnostics or firmware updates. My focus will be on delivering a complete prototype solution covering concept refinement, CAD and mechanical design, electronics architecture, PCB development, embedded firmware, Bluetooth LE or USB C connectivity, smartphone pairing, ride data handling, and a documented prototype build package. I will also include testing focused on connectivity stability, basic performance, and practical usability, while keeping the architecture flexible for future features such as GPS or self balancing. I specialize in mobile applications, Bluetooth connectivity, embedded system integrations, API development, and connected product solutions. My focus will be on creating a reliable communication layer between the mobility device, smartphone, and laptop while keeping the overall solution practical and maintainable. Let’s connect to discuss the device concept, connectivity requirements, and prototype goals so we can define a practical architecture for both the hardware and companion app. Best regards, Nikita Gupta.
$300 USD in 28 days
5.9
5.9

Hello, i am ready exited to work you as i read your job description I am also an expert in making 2d,3d modelling and animating characters 2dautocad drawing ,elevation, solid work, Revit ,FBX ,Unity, Render also interior and exterior design. I have experience in field of more than 5+ years. I can Create Intro and Explainer Videos. for products and companies. Kindly check My Portfolio as well. Hope for your very soon reply. Thank you
$255 USD in 2 days
5.8
5.8

Hello, I am Muhammad Javed, an Electrical Engineer with more than 10 years of experience in embedded systems, PCB design, firmware development, IoT connectivity, and mechatronic product development. I have thoroughly understood your requirement for a compact personal-mobility device with reliable smartphone connectivity and laptop-based diagnostics. I can develop the electronics architecture, PCB, embedded firmware, and mechanical/CAD design required for a functional prototype. I will design a practical BLE/USB-C communication system for fast phone pairing, real-time speed and battery monitoring, ride statistics, firmware updates, and laptop diagnostics. The firmware will be structured for stable communication, low power consumption, and fast flashing/debugging. For the mechanical side, I can develop detailed SolidWorks/STEP CAD files considering compact urban dimensions, manoeuvrability, battery placement, component integration, and manufacturability. I can also prepare a documented prototype build package and test plan covering the 30-minute operating target and 10-minute connectivity test. Self-balancing and GPS can remain optional to avoid unnecessary complexity and cost. I am available to start immediately and can provide a clear development plan, technical documentation, prototype support, and refinement based on testing results.
$500 USD in 7 days
5.9
5.9

Building an urban mobility prototype with smartphone connectivity sounds right up my alley. Not only do I have extensive experience in Electronics and Embedded Systems, but I bring a unique edge to the table with my proficiency in Mobile App Development which would be critical in making your device seamless, lively and ready for urban streets. My strength lies in creating solutions that go beyond prototypes - I am an expert in building production-grade infrastructure, so you can rest assured that my approach is not only meticulously planned but also efficiently executable. In terms of hardware, I have significant expertise in designing and producing custom IoT devices, which will be valuable for developing the electronic architecture for your compact personal-mobility device while ensuring compatibility with USB-C or Bluetooth LE, as you require. I'm also quite experienced at working with micro-controllers such as ESP32/STM32, guaranteeing reliability and seamless connectivity for your smartphone app and laptop diagnostics features.
$500 USD in 7 days
5.2
5.2

Having worked in both the fields of 3D modelling and electronics design, I offer a comprehensive skill set that seems uniquely tailored to your project. My background includes designing and fabricating 3D models optimized for 3D printing or CNC fabrication just as you require. Additionally, I have professional proficiency in CAD tools like SolidWorks which will facilitate the generation of accurate mechanical design files. Not only can I provide you with appealing aesthetic designs, but also guarantee high functionality using my in-depth understanding of embedded systems and electronics architecture.
$254 USD in 1 day
5.1
5.1

hello there I can develop your connected personal-mobility device, combining mechanical design, embedded electronics, firmware, and a companion mobile app into one reliable system. Core Deliverables Concept refinement focused on compact urban dimensions and manoeuvrability Complete CAD/mechanical design in STEP/SolidWorks format Electronics architecture and PCB design Embedded firmware for Bluetooth LE and/or USB-C connectivity Fast smartphone pairing and real-time ride telemetry Mobile app displaying speed, battery level, ride statistics, and device status Laptop service interface for diagnostics, firmware flashing, and debugging Connectivity, battery-runtime, and performance testing Technical test report with recommended improvements I’d design the system around a low-power MCU with Bluetooth LE, battery-management/monitoring, motor/control interfaces, and USB-C service connectivity. The mobile app can be built with Flutter or React Native, while the firmware and communication protocol would be structured for reliable telemetry and future features such as GPS or self-balancing if required. The architecture would be modular so hardware, firmware, and app components can be tested independently and upgraded without redesigning the entire system. I can review your initial concept, target dimensions, motor/battery requirements, and expected payload first, then provide a realistic timeline and development estimate. thanks
$350 USD in 25 days
5.2
5.2

Translating architectural drawings and high resolution imagery into fast loading WordPress templates requires careful image optimization to preserve detail without sacrificing mobile performance. Your content spans diverse project types from school refurbishments to medical fitouts, so the project index needs flexible filtering by sector and location. I would prioritize building the individual project template first since it carries the most complex layout requirements before tackling the homepage. Are there specific plugins already approved for the editing experience? Does your component library include responsive breakpoint specifications for each element?
$350 USD in 7 days
4.9
4.9

I understand you're looking for a prototype with robust smartphone integration, similar to how modern e-scooters provide ride data and control via dedicated apps. My experience developing connected IoT devices, including those leveraging Bluetooth Low Energy for real-time data streaming and control, directly aligns with your need for seamless rider interaction. My approach will focus on a modular electronics architecture. I propose utilizing an ESP32 microcontroller for its integrated Wi-Fi and Bluetooth LE capabilities, enabling fast pairing and efficient data transfer to a mobile app. For diagnostics and firmware updates, I'll incorporate USB-C, offering a reliable wired connection. The firmware will be developed in C/C++ with a focus on low power consumption and real-time responsiveness, ensuring a smooth user experience. To best tailor the connectivity features, could you elaborate on the primary data points you envision displaying on the rider's app (e.g., speed, battery, range)? Additionally, what specific basic controls are you prioritizing for app integration? I'm available to discuss these details further and outline a more precise technical roadmap.
$687 USD in 21 days
4.4
4.4

Hi, I can support the design of your urban mobility prototype with smartphone connectivity, embedded electronics, CAD documentation, firmware, and companion app architecture. My approach will be to first define the mobility requirements, power system, motor/controller interface, safety requirements, enclosure constraints, and smartphone features. Then I’ll design the electronics architecture, Bluetooth LE/USB-C service interface, PCB concept, firmware communication layer, and prototype documentation. I’m comfortable with embedded systems, Bluetooth LE, mobile connectivity, PCB design, battery-powered devices, firmware development, CAD coordination, diagnostics interfaces, and prototype testing workflows. Deliverables: * Concept refinement * Mechanical design support * STEP/SolidWorks-ready CAD package * Electronics architecture * PCB design guidance * BLE smartphone communication * USB-C/laptop diagnostics interface * Firmware structure * App communication plan * Prototype build documentation * Connectivity and performance test report I’ll focus on a practical, reliable mobility platform with stable phone connectivity, serviceability, and a design path toward future production. Hardware fabrication, components, and certification costs can be handled separately based on the final prototype requirements. Best regards Ankit
$250 USD in 4 days
4.2
4.2

Having read through your detailed project description, I believe I can bring significant value to the Urban Mobility Prototype you envision. My 10 years of experience building web and mobile applications, and designing enterprise-grade software platforms positions me perfectly for this task. With a keen eye for seamless user experiences, I'm confident in my capacity to deliver the smartphone app you're seeking - one that would pair riders' phones quickly and display all key ride information accurately and reliably. In addition to my mobile app development skills, I am fluent in designing and building scalable backend systems, RESTful APIs, third-party integrations- all of which will be crucial to ensuring strong smartphone connectivity for your device. My proficiency extends to developing intelligent voice agents and AI-powered chatbots as well. While these may not be mandatory to your project, I can comfortably integrate them if you wish to explore those capabilities without sacrificing complexity management. Lastly, my commitment to clean, scalable, maintainable architecture coupled with my reputation for clear communication and strict adherence to structured project management means you can depend on me to deliver a product that is rigorously tested and optimized with comprehensive documentation. Let us work together to bring your vision of urban mobility into reality.
$500 USD in 5 days
4.5
4.5

Leveraging my over 6 years of experience as a top-rated Mobile App Developer and Designer, I am confident that I can bring your vision for a connected personal-mobility device to life. One glance at my portfolio will assure you of the clean, sleek, yet highly functional designs I regularly produce. I am particularly adept at creating intuitive user interfaces, which is essential for your smartphone connectivity requirement. In addition, I assure you of seamless performance between your hardware and software elements as I excel at both. Notably, I possess strong skills in micro-mobility hardware design and embedded systems development. This guarantees that not only will your users be able to pair their phones quickly and easily, but they will also have full visibility into important ride data in real-time without any dropouts. Furthermore, thanks to my competence in USB-C and Bluetooth LE technologies you mentioned, we can ensure a smooth firmware updates ecosystem through laptop connections.
$250 USD in 7 days
3.4
3.4

The challenge here is ensuring seamless smartphone connectivity while keeping the design compact and user-friendly. If the pairing isn’t smooth, riders might get frustrated, losing interest in the device. This could lead to costly redesigns or worse, poor market reception. I'd start with the electronics architecture first, as it needs to support quick phone pairing and diagnostics via USB-C or Bluetooth LE. This lays a solid foundation and makes it easier to refine the physical design around it. I’d ensure everything is modular, making future tweaks straightforward. I’ve worked on similar projects, balancing hardware and firmware for personal mobility devices. Revisions are standard in my process, ensuring we stay on track and aligned with your vision. What’s your timeline for the prototype? Do you have existing sketches or design elements to build from?
$350 USD in 7 days
2.4
2.4

Hi There!!! i understand you are seeking an experienced engineer to design a compact urban mobility prototype with Bluetooth LE smartphone connectivity, custom CAD files, PCB electronics, and laptop diagnostic interface. I HAVE EXTENSIVE EXPERIENCE DEVELOPING HARDWARE PROTOTYPES, EMBEDDED BLE FIRMWARE, CAD DESIGNS, AND COMPANION MOBILE APPLICATIONS. Your urban mobility project will receive full mechanical CAD modeling, PCB layout design, embedded firmware with fast USB-C diagnostic capability, companion smartphone app integration, and a complete prototype build package with testing. Would you be open to a quick chat so we can discuss your preferred motor specifications and target build timeline? Best Regards, Hussain Ahmed
$250 USD in 2 days
1.5
1.5

Hi, I am a professional web developer and I can do this project "Urban Mobility Prototype with Smartphone Connectivity", I have 5 years of experience in web development. I have done many projects like this. I can do this job for you. I can start right now. Please contact me. Thanks
$250 USD in 2 days
2.0
2.0

As an AI-focused full-stack developer and AI SaaS expert, I'm extremely versatile in my skills and aligning them with your needs. I've not only built AI-powered mobile applications but also designed the complete tech stack from embedding AI, backend engineering to deploying it on the cloud, something that would benefit your project's integrated tech requirements. My focus has always been on creating clean and scalable architectures meeting clients' long-term goals. Significantly, my expertise in NLP, OCR, Recommendation Systems can help integrate additional functionalities like self-balancing or GPS navigation that you mentioned being open to suggestions for. This extends your project's value proposition without complicating the urban mobility prototype’s core requirement - seamless smartphone connectivity. Lastly, having worked extensively on end-to-end product development for startups and businesses aiming for long-term growth, I understand not just the technicalities but also the commercial aspects behind it. I ensure a robust delivery accompanied by open communication and continuous improvement to exceed your expectations. Choose me – Geetam – and let's build an innovative personal-mobility device ensuring exceptional user experience in-sync with the urban lifestyle.
$500 USD in 7 days
0.0
0.0

The part about basic controls through an app tells me this is about the Bluetooth connection, making it stable and responsive, so I will build the electronics around an nRF52840 for that, it handles BLE well and also has enough processing power for what you need. The CAD work will be done in SolidWorks so you get native files, and I will focus on designs that fit through standard doorways and can be easily ridden on sidewalks, balancing stability with being compact. I will not be using a cloud backend for this prototype, that adds complexity and cost when all you need is local control and diagnostics through the app and direct USB-C or Bluetooth LE connection to the device. What material are the primary chassis components intended to be? 8 reviews on here, everything delivered on time and on the agreed price so far, plus Preferred Freelancer status. Send me the dimensions you are aiming for and I will send back the initial concept sketches and a breakdown of the electronics components I propose.
$687 USD in 21 days
0.0
0.0

? I FOUND THE PART OF YOUR PROJECT THAT WILL DETERMINE WHETHER IT SUCCEEDS OR STRUGGLES. A key challenge here is ensuring the seamless smartphone connectivity while maintaining the compact design. Many projects overlook the potential for connectivity dropouts due to hardware constraints in tight spaces, which can compromise user experience. I recently completed a similar project for a personal electric scooter, where I integrated smartphone connectivity that led to a 30% increase in user satisfaction through reliable performance and ease of use. I understand your goal is to create a practical mobility device that enhances urban commuting with robust connectivity. My approach would involve iterative prototyping, user testing, and tight integration of the electronics to ensure a smooth user experience, all while keeping the design compact and efficient. Focusing on these solutions will not only ensure immediate functionality but also pave the way for future enhancements. I am confident that my expertise can help bring your vision to life. The difference between an average result and an exceptional one is usually decided before the work even begins. Regards Willdene
$400 USD in 7 days
0.0
0.0

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