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I’m building a compact outdoor monitoring unit that runs from a 12 V supply and houses a USB-based noise sensor inside a sealed enclosure. The board I need should accept the 12 V input, regulate it to a stable 5 V for USB, and expose two USB-A ports: • Port 1 keeps the noise sensor powered at all times so it can log data even when no computer is present. • Port 2 is reserved for a laptop connection; as soon as I plug the laptop in, it must be able to read live data from the sensor on Port 1 without interrupting power or communications. In practice this means the circuit must behave like a tiny, reliable USB switch or self-powered two-port hub: one downstream device (the sensor) is always powered, while the upstream laptop can be hot-plugged for data retrieval. All power comes from the 12 V line, so please include an efficient buck stage, reverse-polarity and surge protection suitable for outdoor installations. Deliverables: 1. Schematic and PCB layout (Altium, KiCad, or similar) ready for fabrication. 2. Complete BOM with part numbers, availability notes, and suggested enclosure connectors. 3. Brief design note outlining current budget, USB data routing strategy, and any microcontroller or hub IC configuration required. 4. Test procedure I can follow to confirm the board powers the sensor solo and streams data when the laptop is attached. No fancy extras are needed—robust power regulation, reliable USB data integrity, and outdoor-friendly design are the priorities.
Projekt-ID: 40245357
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52 freelancere byder i gennemsnit £15 GBP/time på dette job

Hello, As an accomplished engineer and developer at Live Experts, my extensive experience in electrical engineering and embedded systems perfectly aligns with the requirements of your project. I’ve successfully executed multiple projects in designing PCBs, offering high-efficiency power regulation for outdoor installations, and ensuring data integrity in USB-based systems. Having worked with Altium and KiCad extensively, I can deliver a well-structured schematic and PCB layout from which you can efficiently fabricate the circuit board. My offer includes a complete BOM that not only specifies part numbers but also highlights their availability for your convenience. I believe excellent communication is key to success, so along with a design note outlining budget considerations and microcontroller/hub IC configuration options for your specific requirements, I'll provide a detailed test procedure to verify that the board powers the noise sensor solo, as well as when the laptop is attached. Lastly, let me reassure you that delivering efficient systems while keeping things simple yet robust is not just a forte of mine, but also a passion. Emphasizing on robust power regulation, reliable USB data streams integrity, and adapted surge protection - all tailored for outdoor use - is exactly what you need and precisely what I can provide. I look forward to working with you on this exciting project. Thank you for considering my candidacy! Thanks!
£37 GBP på 1047 dage
8,5
8,5

With your project's specific requirements in mind, I can confidently say I am the right professional for the job. My core expertise in electrical engineering, embedded systems, and PCB design is an excellent match for your dual-port 12 V USB switch board. I am well-versed in relevant skills such as C Programming, Electronics, Microcontrollers, and PCB Design, so I assure you the process of going from concept to market-ready product will be handled smoothly and effectively. Moreover, my previous projects involving various microcontrollers and embedded systems reflect my ability to deliver ingenious IoT solutions like the one you demand. My dedication goes beyond designing the hardware: I will provide clear design notes outlining budgetary constraints as well as test procedures for seamless integration with your monitoring unit. It's worth noting that my meticulous approach to testing guarantees that every aspect of the design is confirmed and reliable. Lastly, my resourcefulness extends beyond electrical engineering; I'm capable of developing helpful software tools such as cloud dashboards and mobile applications for convenient real-time monitoring.
£13 GBP på 40 dage
8,1
8,1

Hello, I’m Muhammad Awais. I’ll design a compact outdoor 12 V to 5 V USB switch board that powers a USB noise sensor continuously (Port 1) while allowing a laptop (Port 2) to hot-plug and read live data without interrupting power or data paths. My approach is to implement a robust buck regulator with reverse-polarity and surge protection, plus a software-friendly USB data routing scheme that keeps Port 1 always powered and uses a USB hub/self-powered topology to route data to the laptop on Port 2. I’ll provide a complete schematic and PCB layout in Altium or KiCad, a detailed BOM with part numbers and enclosure suggestions, a concise design note on current budget, USB data routing, and microcontroller/hub configuration, and a repeatable test procedure to verify standalone sensor power and live data streaming when the laptop is connected. Please share the expected data rates, sensor interface details (noise sensor USB class or custom), and whether the laptop will be Windows/macOS/Linux so I can tailor the USB hub controller and microcontroller firmware accordingly. What enclosure size and IP rating are required for outdoor use? Do you have a preferred USB hub or microcontroller family? Is space at a premium for the buck regulator and transformer isolation? Should I assume a 12 V nominal with a potential 11–14 V range? What is the maximum current budget for the sensor and for the USB ports combined? Any existing schematic or reference design to align with? Will you require isol
£18 GBP på 36 dage
7,8
7,8

Should be a pretty straight forward job. One information is missing, does your laptop directly interact with the sensor or do you need some kind of middleware that will read the sensor and push it back to the laptop when connected? If the middleware is used, does it need to read and store all the sensor data to produce it to laptop when connected ?
£15 GBP på 25 dage
7,1
7,1

Hi, I’ve read your dual-port USB switch board needs carefully. I’ll design a compact, outdoor-ready 12 V input to 5 V buck regulator with robust reverse-polarity and surge protection, feeding a self-powered USB hub that always powers the sensor while offering a separate upstream path for a laptop. The approach uses a microcontroller or USB hub controller with clear USB data routing, and I’ll keep the BOM practical with automotive/industrial parts and a sealed enclosure-friendly layout. Deliverables will include schematic, layout, BOM, a concise design note, and a go-to test procedure. What enclosure size and IP rating do you require for outdoor operation, and is a specific USB hub/controller preference important for you? Best regards, Marko Aleksic
£29 GBP på 30 dage
6,7
6,7

Hi there, ★ As a seasoned embedded systems engineer with deep expertise in PCB design (Altium, KiCad), USB data architectures, and robust power management, I’m excited to design your Dual-Port 12 V USB Switch Board. My approach aligns precisely with your outdoor-ready, self-powered two-port hub concept: a continuous 5 V buck-regulated rail powering the sensor on Port 1, while Port 2 supports a hot-pluggable laptop with uninterrupted data readout from Port 1. Why I’m a strong fit: I’ve delivered compact, rugged enclosures, reliable USB data routing, and power architectures for remote sensing and IoT deployments. I will deliver a complete schematic and PCB layout ready for fabrication, a thorough BOM with availability notes, a design note detailing current budgets, USB routing strategy, and microcontroller/hub IC configuration, plus a repeatable test procedure for validation in outdoor conditions. Design approach (highlights): - Efficient buck regulator from 12 V to 5 V with input protection (reverse polarity, surge protection) suitable for outdoor use - USB data plane implemented with a dedicated hub/microcontroller approach to guarantee uninterrupted sensor data while laptop hot-plugging - Isolated power domains and robust ESD/EMI considerations - Clear routing for two downstream USB-A ports, with Port 1 always-on and Port 2 upstreamed to the host - Documentation deliverables: schematic, PCB layout, full BOM, a concise design note, and a practical test procedure What you’
£37 GBP på 35 dage
6,8
6,8

As an experienced electrical engineer and PCB designer with over 8 years in the field, I am confident in my ability to effectively tackle your dual-port 12 V USB switch board project. Having worked extensively with Eagle, Altium, KiCAD, and EasyEDA, I am proficient in delivering top-notch designs ready for fabrication. My previous projects include crafting designs similar to the one you require, complete with efficient buck stage, reverse-polarity and surge protection - perfect for outdoor installations. My knowledge extends beyond just PCB design. As an expert in C programming and embedded systems and having a solid understanding of electrical engineering, I can effortlessly integrate microcontrollers or hub IC configuration into the design if needed. Moreover, my skills in MATLAB/SIMULINK & Python programming prove useful when crafting test procedures - rest assured that the tests will be thorough and effective. Finally, what sets me apart is my commitment to comprehensive solution delivery; providing you with not only a detailed schematic and PCB layout, but also a complete BOM and a brief design note to simplify further processes. I am enthusiastic about transforming your innovative idea into reality and ensuring your project's success. Choose me for a professional execution within budget and even better on time. Let’s do this!
£13 GBP på 40 dage
6,7
6,7

As a seasoned and diligent PCB Design Engineer with over six years of professional experience, I have built my career on transforming innovative ideas into robust, commercial-ready electronic hardware. Having successfully delivered designs for diverse domains including IoT devices, power electronics, RF/ high-speed communication circuits and more, I am confident of my ability to provide you with a solution that adheres to your specific requirements. My wealth of experience extends to using tools like Altium Designer, KiCad, amongst others, that are essential for creating the schematic and PCB layouts needed for your project. I understand the need for precise power regulation and reliable data integrity in an outdoors-oriented project like yours. Over the years, I have developed proficiency in creating robust solutions enriched with smart system design aspects such as efficient buck stage, reverse polarity and surge protection. Moreover, my skills in microcontroller-based PCB design and previous work experience in integrating multiple analog and digital sensor components align well with your requirement of housing a USB-based noise sensor. When you choose me, you're getting more than just PCB design skills; you're getting a dedicated partner who ensures that all elements from efficient design, choice of components and sourcing knowledge through to testing procedures are optimized. Time is one of the most crucial factors in any project.
£12 GBP på 40 dage
6,2
6,2

Hi, how are you doing? I went through your project description and I can help you in your project. your project requirements perfectly match my expertise. We are a team of Electrical and Electronics engineers, we have successfully completed 1000+ Projects for multiple regular clients from OMAN, UK, USA, Australia, Canada, France, Germany, Lebanon and many other countries. We are providing our services in following areas: Embedded C Programming. VHDL/Verilog, Quartus/Vivado, LABView/ Multisim/PSPICE/VLSI MATLAB/SIMULINK Network Simulator NS2/NS3 Microcontroller like Arduino, Raspberry Pi, FPGA, AVR, PIC, STM32 and ESP32. IDEs like Keil MDK V5, ATmel studio and MPLab XC8. PLCs / SCADA PCB Designing Proteus, Eagle, KiCAD and Altium IOT Technologies like Ethernet, GSM GPRS. HTTP Restful APIs connection for IOT Communications. Also, we have good command over report writing, I can show you many samples of our previous reports. Kindly consider us for your project and text me so that we can further discuss specifically about your project's main goals and requirements.
£13 GBP på 40 dage
6,1
6,1

Hello mate, When i seen the details "Dual-Port 12 V USB Switch Board" which you are searching. I am super exited to start it ASAP! I have many software's & tools for make it- Ki Cad, Autodesk EAGLE, Altinum, Circuit board design, Autodesk fusion 360 etc. Make 2d & 3d both I will share update within it in 1-2 Hours. Best regards, Manu R.
£10 GBP på 2 dage
5,3
5,3

Dear , We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time. We are 25 years in this business and our technical specialists have strong experience in C Programming, Electronics, Microcontroller, Electrical Engineering, Embedded Systems, PCB Design and Layout, Prototyping and other technologies relevant to your project. Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews. Please contact us via Freelancer Chat to discuss your project in details. Best regards, Sales department Tangram Canada Inc.
£22 GBP på 5 dage
5,1
5,1

Hi, I'm very glad to have an opportunity to help you with PCB design. This job is very appealing to me because I have a lot of experience in PCB design of various kinds of the electronic devices. Especially, IoT devices I also have enough experience in high speed multi-layer routing and RF impedance control. I'm very familiar with Altium, Eagle and KiCAD. I have my own Altium license and Eagle license. So if you hire me, I can start work immidiately. Also, I have 5+ years experience in developing an FW for various MCU such as STM, PIC, Atemga, ESP etc. I'll provide you all design files and manufacturing files (part library, schematic, layout, BoM, pnp, ODB++, assembly document, gerber, DRC document, and 3d model) Also, I can support you for PCB manufacturing and PCBA from our local company(READA company) in Shenzhen, China if you want. We will provide high-quality in PCB manufacturing and PCBA, reliable part sourcing, functional test according to customer's specifications, and quick shipping. Also, I can help you to order PCBs from JLCPCB, PCBWay and SEEEDStudio if you want. I'm confident my skills and experience in PCB design make me a good candidate for your job. Looking forward to hearing from you soon. Kind Regards. Ting
£25 GBP på 40 dage
4,9
4,9

Good afternoon, I can design a robust, compact USB hub board tailored for your outdoor monitoring unit. This design requires a "Self-Powered" configuration where the 5V rail is derived from your 12V supply rather than the laptop (VBUS), ensuring your noise sensor never loses power or data-logging continuity. How I will address your requirements: * USB Data Integrity: I will integrate a dedicated USB 2.0 Hub Controller IC (such as a Microchip USB251x series) to manage the data switching between the sensor and the laptop seamlessly. * Power Architecture: I will design a high-efficiency buck stage (12V to 5V) with a focus on low ripple and noise, which is critical for high-quality audio/noise sensors. * Outdoor Protection: The design will include industrial-grade protection: reverse-polarity protection, a TVS diode for surge suppression, and an LC filter to ensure clean power delivery in outdoor settings. * Layout & Signal Integrity: I will implement controlled-impedance differential pair routing (90Ω) for the USB lines to ensure reliable data streaming during laptop hot-plugging. I have delivered several similar "Always-On" industrial interfaces and can provide a clean, manufacturing-ready KiCad or Altium project with a JLC-optimized BOM. I would be happy to schedule a meeting or chat to discuss the current draw of your specific noise sensor and your preference for the enclosure connectors. Best regards, Martin Sivolella Embedded Systems Engineer
£13,89 GBP på 40 dage
5,1
5,1

This is essentially a self powered USB hub design where the sensor stays powered 24 7 and the laptop can hot plug as the upstream host without ever dropping VBUS or breaking data. Well, what I can do for you is design the full schematic and PCB with a protected 12V input stage, an efficient 5V buck sized for your current budget, proper USB ESD and surge protection, and a two port USB architecture using a proven hub or switch IC so Port 1 stays powered while Port 2 provides the upstream laptop connection cleanly. In fact, I’ve built compact outdoor ready power and interface boards where reliability came from conservative power design, reverse polarity and transient protection, and disciplined USB routing with controlled impedance and correct port power switching.
£10 GBP på 40 dage
4,8
4,8

Hi, I’m an electronics, embedded firmware, and RF engineer with strong experience designing rugged mixed-signal boards that combine efficient power conversion and reliable USB data routing for embedded systems. For your outdoor monitoring unit, I will design a robust 12 V input stage with reverse-polarity protection, surge suppression (TVS + filtering), and a high-efficiency synchronous buck regulator to provide a stable, low-noise 5 V rail suitable for continuous USB sensor operation. The USB architecture will be implemented using a self-powered hub controller (e.g., Microchip USB2512B or equivalent) to ensure the noise sensor remains powered at all times while allowing seamless hot-plug connection to a laptop without disrupting enumeration or data flow. Careful PCB layout practices—controlled impedance routing for D+/D−, ESD protection devices, solid ground planes, and EMI-aware placement—will guarantee reliable high-speed USB integrity inside a sealed outdoor enclosure. Deliverables will include fabrication-ready schematic and PCB files (Altium or KiCad), a complete BOM with manufacturer part numbers and sourcing notes, a concise design note covering current budget and hub configuration, and a step-by-step validation procedure to verify standalone sensor power and live laptop data streaming. The result will be a compact, production-ready, outdoor-friendly board focused purely on electrical robustness, clean power delivery, and dependable USB communication. Best Jared
£15 GBP på 40 dage
4,7
4,7

Best USB Power Switch Board Design Expert ⭐⭐⭐⭐⭐ Hi, Thank you for posting your project, “Dual-Port 12 V USB Switch Board.” I’ve reviewed your requirements and can help you design a compact, outdoor-ready USB switchboard that reliably powers your noise sensor while allowing hot-plugged laptop data access. The design will include stable 5 V regulation from a 12 V supply, surge and reverse-polarity protection, and efficient, robust USB data routing. I bring 11+ years of experience in industrial electronics, USB power design, multi-port switching circuits, and PCB layout for reliable, outdoor-capable systems. ✅ How I’ll Help You Succeed 1. Design a power-efficient buck stage with reverse-polarity and surge protection. 2. Implement a two-port USB switch or hub logic that keeps the sensor powered while allowing live laptop access. 3. Deliver a complete schematic, PCB layout, BOM, and clear test procedures for reliable outdoor operation. ✅ Before I start, one quick question: Do you prefer a discrete component solution for the USB switch logic, or should I integrate a small USB hub IC for simplicity and reliability? If you share that, we can align quickly and move forward. Best regards, Prat PCB Must Innovations
£12 GBP på 40 dage
6,5
6,5

With a strong blend of technical proficiency and a deep enthusiasm for electronics design, I'm confident in my ability to deliver the Dual-Port 12V USB Switch Board you need for your outdoor monitoring unit. Having completed numerous PCB designs in the past, I am skilled in optimizing circuit designs for efficiency and reliability. This experience has imbued me with a solid understanding of buck stage implementation, reverse-polarity protection and surge protection - all essential components required for outdoor installations. An important aspect of your project is the need for an uninterrupted power supply to your noise sensor while allowing hot-plugging for live data retrieval. Drawing inspiration from my experience with self-powered two-port hubs, I am fully capable of designing a robust and efficient USB switch that ensures continued power supply without compromising on data communication or integrity. My dedication to detail and industry best practices ensure the highest quality of deliverables and my open-source handheld gaming console project on GitHub is a testament to this. I look forward to bringing my innovative solutions to your project, and translating your needs into a reality with a board that encompasses necessary features of robust power regulation, reliable USB data integrity, and outdoor-friendly design.
£13 GBP på 60 dage
4,2
4,2

As an Embedded Systems Engineer with a solid background in Electrical & Electronics Engineering and Software Engineering, I am more than capable of delivering highly efficient and reliable electronic designs. With your need for a dual-port USB switch board that can handle a range of complex functions whilst remaining within the parameters of an outdoor installation, I strongly believe I have the skills and experience to meet these requirements. I specialize in creating innovative embedded solutions using microcontroller platforms such as Arduino, ESP32, and STM32, skills which will prove invaluable in designing your board's buck stage, reverse-polarity and surge protection. My proficiency with circuit design, sensor integration, and automation system will ensure that your 12V supply is adequately regulated to power the noise sensor on Port 1 with guaranteed data integrity while offering portability for live data retrieval on Port 2. My thoroughness extends to producing detailed deliverables such as schematic & PCB layouts using Altium or KiCad, comprehensive BOM including part numbers and availability notes and thorough test procedures. It's also worth mentioning that my full-stack development skills make it possible for me to build alike systems which means that if adjustments are needed along the way, I can handle them for you. Engage me for this project and let’s build something great together!
£10 GBP på 40 dage
2,9
2,9

Hi, I'm excited about your project for the Dual-Port 12 V USB Switch Board. Creating a compact outdoor monitoring unit with reliable power regulation and USB data integrity is well within my skill set. With over 7 years of experience in PCB design and embedded systems, I can ensure that your board meets the robust requirements outlined. I specialize in power management and USB communications, making me confident in designing a circuit that will consistently power the noise sensor while allowing live data retrieval from the laptop. I'll provide a complete schematic, PCB layout, and BOM to facilitate fabrication and ensure outdoor readiness, including protective measures. Let's discuss the next steps, and I'm eager to hear your thoughts on this project!
£18 GBP på 16 dage
2,5
2,5

As a tech enthusiast with over 7 years of experience in software development and a special fondness for programming, I believe my skill set aligns perfectly with your project requirements. On top of my expertise in languages like Node.js, React.js, and PHP that would come in handy for this project, I have extensive knowledge of circuits and electrical engineering. My proficiency in Python will ensure that the logic behind the microcontroller or hub IC configuration needed to comply with your design specifications is meticulously crafted to meet your requirements accurately. Moreover, I assure you complete dedication to quality and client satisfaction. The key aspect your project demands - meeting client's expectations - is my priority too. Building reliable systems that perform exceptionally well is par for the course in complex projects where robust power regulation and data integrity are non-negotiable, like yours. My adaptability to new technologies aligns well with the nuanced challenges each project presents and I foresee no difficulty acclimatizing to your dual-port 12 V USB switch board. Overall, you need not worry about missing any fancy extras but getting an optimal solution from a diligent professional who understands your needs from top to bottom. I am confident that my skills encompassing both software and hardware aspects—alongside my focus on effective communication and results—make me an excellent match for this project.
£10 GBP på 40 dage
3,9
3,9

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