Biomedical Hardware Engineer Needed — AI Spirometer Prototype Build (Firmware & AutoCAD Ready)

@iamhamzazaki

As a seasoned Embedded Systems Engineer, who has spent over 7 years in designing and building complicated hardware systems, including medical and consumer devices, I am both qualified and eager to take charge of this project and ensure your product is developed to its fullest potential. Adept at reading AutoCAD files, I can seamlessly put together the 2-part SLS Nylon housing for Spira, complete with bayonet twist-lock TPU mouthpiece and validate functionality by establishing a secure USB/JTAG connection. My experience with Li-Ion batteries and charging circuits also guarantees fuss-free power-up for your device. Having worked extensively with JLCPCB and PCBWay, I'm confident in fabricating PCBs per your provided schematic using high-quality parts from your BOM - like the Honeywell differential pressure sensor. Additionally, having had experience in firmware flashing similar devices from ESP32 or STM32 microcontrollers via USB/JTAG mode, I guarantee that the flashing step will be executed fluently, confirmed through OLED display outputs and BLE broadcasting. The success of this spirometer prototype will be a testament to the quality workmanship I pour into each project.

@macroenergy

As an experienced and multifaceted electrical engineer, I have the perfect skill set to fulfil your project's needs. My proficiency in digital motor control, analog design, electronic design, power electronics, embedded systems, MATLAB, and simulation of hardware all aligns with demands imbibed in your project description. My comprehensive exposure ranges from designing 3-phase induction motor vector control drives to implementing DSP(TMS320) on motor drives for low-speed applications, all of which have equipped me with proven adaptability and versatility in working with hardware. Additionally, my experience in PCB design using Altium and thorough knowledge on easyeda with CAD file designing for different manufacturers adds value to my competency for your biomedical AI project. What sets me apart from other candidates is not just my ability to adhere closely to given specifications and meet target deadlines but also the tenacity with which I stand by what I build. Just like you, I believe in attaining high-quality workmanship that stands-out not only during production; but also when it faces clinical testing. Let's make a difference together- I await your affirmative response!"

@beingmrme

Hi there! I can deliver a reliable biomedical hardware solution with sensor integration, embedded system design, and precise data acquisition—ensuring accurate performance, safety, and compliance-ready development for medical-grade applications. Questions ? What type of device are you developing (wearable, diagnostic, or monitoring)? ? Do you need full hardware + firmware + PCB design or only specific modules? ? Any regulatory standards to follow (FDA, CE, ISO)? Don't pay a single penny until you are happy with the job I look forward to your response and thank you for your consideration. Warm regards, The Blend Nation.

@engrusmanfaiz

Dear Sir, I can build your Spira prototype end-to-end with high reliability and clean assembly. I have experience with handheld embedded devices using ESP32/STM32, sensors, BLE, and Li-ion systems. I am fully comfortable with PCB fabrication (JLCPCB/PCBWay), SMT soldering, and enclosure integration from AutoCAD files. Firmware flashing via USB/JTAG and functional validation (OLED, BLE, sensors) will be handled precisely. Estimated total cost: $900 – $1200 including assembly and testing (BOM separate). Timeline: 4–6 weeks from kickoff to final tested prototype. I will provide weekly progress updates with photos/videos. Final delivery will include a fully functional, tested unit ready for validation. I will also verify airflow sealing and sensor accuracy to ensure reliable performance. Based in Pakistan and ready to start immediately upon file review. Regards.

@hayat38402

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:  Antenna Design (CST, HFSS)  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.

@Ewaidiouse

Mechanical Design & Engineering Expertise: Reverse Engineering | Fabrication | DFM | 3D Printing | Concept Design | Product Development | Robotics Profile: 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

@Feriver

Hello, I can take full ownership of assembling and delivering a high-quality working prototype of your AI spirometer, strictly following your finalized firmware, AutoCAD housing, and BOM specifications. My focus will be precision assembly, clean integration, and reliable functionality aligned with clinical-grade expectations. I am experienced in PCB fabrication (JLCPCB/PCBWay workflows), SMT soldering, and compact device assembly. I will ensure correct placement of sensors, stable power delivery, proper airflow channel alignment, and robust enclosure fitting. The SLS housing and TPU mouthpiece will be fabricated to tolerance, ensuring airtight performance and mechanical durability. Firmware flashing via USB/JTAG (ESP32/STM32) will be executed per your instructions, followed by validation: OLED output, BLE broadcasting, and accurate airflow readings. I will perform staged testing and provide weekly progress updates (photo/video) to maintain transparency and quality control. The final deliverable will be a fully assembled, tested, and ready-to-evaluate prototype meeting your acceptance criteria. I prioritize build quality, reliability, and accountability through to final approval. Thanks, Asif

@kashiffaiz3

Hello, With my extensive background in 3D modeling and proficiency in CAD/CAM, I'm confident I can proficiently handle the physical build and assembly aspects of your Spira project. Additionally, my prior experience fabricating handheld medical devices coupled with knowledge of enclosures utilizing SLS or FDM 3D printing will be immensely valuable to you. To add more weight, throughout my 5-year career, I have used specialized slicing software such as Cura and PrusaSlicer for quality assurance specific to 3D printed models. Moreover, as an engineer who knows the precision required for medical devices, I assure you that I'll ensure every step of your project meets the highest standards , from following your AutoCAD files diligently to correctly flashing the firmware via USB/JTAG. This commitment to perfection extends well beyond our collaboration period: if there are any issues upon delivery, I will resolve them to your satisfaction before expecting final payment. In terms of cost estimation and timeline, budget is flexible for a quality product like Spira. I am focused on delivering excellence not only in product design, but also in ensuring products are perfectly optimized for their purpose. Hence, my typical turnaround time would lie within the 2-3 months requested to give you enough time for testing while adhering to your timeframe. My aim isn't just this single project but rather building a long-term relationship with you as we Thanks!

@tetianam8

⭐⭐⭐⭐⭐ I’ve reviewed your scope carefully—this is a precision assembly + validation build for a medical-grade prototype, and the critical factors are clean assembly, sensor integrity, and reliable firmware flashing/verification. I’ve built and delivered compact embedded devices (ESP32/STM32, BLE, sensors, OLEDs) and handled full workflows from PCB fabrication (JLCPCB) to enclosure integration, so this aligns well. How I’ll execute: Assembly & Fabrication • Order & inspect PCB (5-layer) + components • Precision SMT + through-hole assembly (ESD-safe) • SLS enclosure print + post-processing for clean fit • Careful integration of airflow channel + sensor chamber (no leakage) Firmware & Bring-up • Flash via USB/JTAG per your instructions • Verify: OLED output, BLE advertising, sensor readings • Basic calibration sanity check (signal response consistency) Quality focus (important for clinical path): • Clean solder joints, strain relief, secure battery integration • Airflow path integrity (no obstruction or misalignment) • Full functional check before shipment Answers: Yes—handheld IoT/medical-adjacent sensor devices (can share samples privately) Yes, fully comfortable with AutoCAD + USB/JTAG flashing Estimated total: $700–$1,300 (depends on fabrication choices) US-based; typical turnaround 2–3 weeks Quick question: do you require any initial airflow calibration jig, or just functional verification at this stage?

@electronicsdone

Best Biomedical Prototype Build Engineer for Functional Device Assembly! ⭐⭐⭐⭐⭐ Dear Client, This project is really about disciplined prototype execution. Since your firmware, housing files, BOM, and specs are already prepared, the value now is in assembling everything cleanly, flashing it correctly, and delivering one working prototype that behaves as expected without unnecessary redesign or improvisation. I can help by: 1. fabricating and assembling the electronics and mechanical stack according to your provided files and tolerances 2. flashing the provided firmware and verifying OLED output, BLE broadcast, and airflow sensor response 3. documenting progress with photos/videos and delivering a prototype that is ready for your functional review This keeps the work focused on reliable build execution and validation, which is exactly what matters at this stage. Two quick questions: 1. Will all fabrication files and the final PCB data be provided in production-ready form, or do you expect any pre-build manufacturability review? 2. Do you want the basic functional check documented as a short acceptance video before shipment? If you message me, I can outline the cleanest build sequence and milestone flow for the prototype. Best regards, Prat PCB Must Innovations

@engrhasan01

Are you looking for a reliable engineer to assemble and deliver a fully functional Spira prototype clean build, correct flashing, and verified performance ready for clinical testing? I’m an Electrical & Hardware Engineer with 5+ years of experience in PCB assembly, device prototyping, and firmware deployment (ESP32/STM32). I’ve worked on compact IoT/medical-style devices involving sensors, BLE, OLEDs, and battery-powered systems. Approach • PCB: Order/fabricate (JLCPCB/PCBWay), inspect, and assemble (SMT + through-hole) • Mechanical: SLS/FDM enclosure fabrication, precise fitting, sealing, and airflow channel integrity • Integration: Install sensors, battery, OLED, and connectors per BOM • Flashing: Firmware upload via USB/JTAG following your instructions • Validation: Test airflow readings, OLED output, BLE broadcasting, and stability Deliverables • 1 fully assembled working prototype • Firmware flashed and verified • Functional test report + video proof • Weekly progress updates Answers: Yes—IoT sensor nodes and handheld embedded devices (can share samples). Yes—fully comfortable with AutoCAD-based fabrication and USB/JTAG flashing. Based in Pakistan; typical turnaround aligns with 3–4 weeks. I focus on precision, reliability, and delivering hardware that works right the first time. Best regards, Hasan

@jb095

Hi, I am an embedded systems and hardware engineer with experience building compact sensor-based devices, including STM32/ESP32 systems, PCB assembly, and full prototype bring-up. I can handle your Spira prototype from PCB assembly to full functional testing, including: *SMT assembly and enclosure integration *Firmware flashing via USB/JTAG (STM32 / ESP32-S3) *OLED, BLE, and sensor validation *Basic airflow and system testing as required I am comfortable working from your AutoCAD files, BOM, and pre-tested firmware, and following strict assembly and testing instructions. I can complete this within your 2–3 month timeline and ensure a fully working prototype ready for review. Best regards,

@ThynkLoop

Hi, I can help you build your AI spirometer prototype with high precision and reliability. We have already developed a similar complete device (hardware, firmware, mobile app integration), so I am very familiar with airflow sensing, embedded systems, PCB assembly, and handheld medical device integration. This experience will help ensure your prototype is built correctly and efficiently without trial-and-error. My Experience *Built complete embedded devices (ESP32/STM32, sensors, display) *Experience with airflow/pressure-based systems *PCB fabrication & SMD assembly *Firmware flashing via USB/JTAG *Device, mobile app integration experience Scope: *3D printing and enclosure assembly *PCB fabrication and full component assembly *Sensor integration *Battery and charging circuit setup *Firmware flashing *Functional testing (OLED, BLE, sensor output) Deliverables: *Fully assembled working prototype *Firmware flashed and verified *Functional testing completed

@abdulmannann1

With over seven years of experience in 3D modelling, printing, and design using AutoCAD and other software including Solidworks and Fusion 360, I am confident that I possess the skills required to excel at this project. My adeptness at reading and translating AutoCAD files ensures that I can accurately execute the design plan for your spirometer prototype, down to the last detail. I have a solid understanding of tolerances and clearances, key elements for delivering sophisticated designs such as this. Additionally, my proficiency in 3D printing plays a significant role in delivering excellent housing solutions for hardware prototypes. SLS Nylon is an area of great interest to me as it has become increasingly popular due to its cost-effectiveness and high-quality output for products like the one you're envisioning. In parallel, my proficiency with PCB fabrication and SMT soldering would prove crucial for building your custom-designed 5-layer PCB with precision. Drawing from my previous projects in biomedical device assembly, including handheld products, I am familiar with the high standards expected in your industry.

@noursherif030

As a skilled and dedicated embedded systems engineer with over 5 years of experience, I possess the precise blend of skills this project requires. My proficiency in electronics and strong familiarity with PCB fabrication, SMT soldering using JLCPCB/PCBWay workflow, and firmware flashing via USB/JTAG have been repeatedly demonstrated, making me an ideal candidate for your AI spirometer prototype project. What truly sets me apart in this regard is my direct experience in assembling handheld medical devices, making your UI Spirometer Prototype a comfortable fit. Indeed, I have successfully built similar devices in the past which can be shared with you as validation of my capabilities. Moreover, I am also confident working with AutoCAD files per the project requirement. Regarding your estimated total cost and timeframe, we can discuss these further once we engage in a detailed discussion about your project's specifics. Rest assured, my priority lies in delivering highly-functional and reliable solutions; precisely what you need for this clinical-testing destined device. Additionally, for transparent progress tracking¸ I'll provide weekly photo/video updates throughout the build process. In conclusion, choosing me guarantees not only the successful completion of your Spira prototype but also opens doors for potential long-term collaboration. I'm excited about the prospect of turning your biomedical AI startup vision into reality — professionally and on time. Shall we begin?

@davidb838

Hi, I’m excited about the opportunity to help MSTFA Industries bring the Spira AI-powered spirometer to life. With extensive experience in biomedical hardware and embedded systems, I’m ready to assemble, fabricate, and flash the prototype based on what you have prepared. Key Scope of Work: - Assemble SLS Nylon 2-part housing and related mechanical components. - Fabricate the 5-layer PCB and integrate sensors and microcontroller. - Flash the finalized firmware onto the MCU and confirm functionality. - Deliver weekly photo/video updates throughout the process. To ensure a successful build, I might need a few clarifications regarding your specific testing criteria after assembly. Looking forward to your response! Best, David

@davidp732

As an Engineering Designer with over 15 years of experience, I believe I'm the perfect match for your biomedical AI startup project. Although my skills are not specifically rooted in biomedical hardware like Spira, the key aspect of engineering is problem-solving, which I have excelled at throughout my career. Additionally, my proficiency in AutoCAD and familiarity with detailed Bill of Materials (BOM) will enable me to navigate your existing designs and ensure precise execution during assembly. While handheld medical devices may not be within my direct portfolio, I am no stranger to intricate mechanical builds. My work on various civil and building projects required meticulous detailing similar to that of the wearable Spirometer. Moreover, my long-standing exposure to coordinating MEP layouts and structural drawings has honed my ability to follow and implement complex specifications to perfection- a core requisite for your project. Security in knowing that the engineer building your device is committed to quality and timely delivery is paramount. My 15+ years in the field testify to my reliability, thoroughness, and commitment to timeliness. In addition, providing weekly photo/video updates ensures you remain plugged into the progress made as we work towards your desired deliverables within the budgeted 2-3 months. Help me help you build an efficient and accurate prototype that's ready not only for clinical testing but also for future developments. May I provide a full-service solution whether it's design, fabrication, or documentation always maintaining clear communication and timely delivery leading to a successful completion of your project guaranteed.

@SkillCrafts

Hi there. I’ve thoroughly reviewed MSTFA Industries’ vision for the AI spirometer and am ready to translate your existing firmware and AutoCAD designs into a high-fidelity, medical-grade prototype. Having previously developed respiratory monitoring hardware that utilized precise sensor fusion for clinical data acquisition, I understand the unique challenges of capturing high-frequency airflow data while maintaining the signal integrity required for accurate AI analysis. My background in biomedical engineering ensures that the prototype will not only function but also adhere to the precision standards expected in the diagnostic space, moving your startup closer to a market-ready solution. To execute this, I will focus on integrating your CAD layouts with a custom PCB that prioritizes noise isolation for the flow sensors, likely utilizing a high-resolution ADC for differential pressure sensing or ultrasonic transducers. I plan to optimize the existing firmware by implementing interrupt-driven sampling and DMA (Direct Memory Access) to ensure zero data loss during peak expiratory flow phases. Furthermore, I’ll ensure the communication stack—whether via BLE, Wi-Fi, or USB—is optimized for low-latency transmission to your AI inference engine, ensuring the hardware provides the clean, high-bandwidth data your models need for accurate respiratory classification and real-time user feedback. Could you clarify if you have already selected a specific flow sensor (like a MEMS-based transducer or a turbine system), or would you like a recommendation based on your accuracy requirements? Additionally, I'd like to know if the AI processing will happen locally on the MCU or via a tethered device to better tailor the data packet structure. I’m available for a quick call to discuss the current state of your AutoCAD files and firmware so we can move this prototype toward its first successful test run and ensure it meets your design specifications perfectly.

@ssbhibah7

I am a mechanical engineer. I have never manufactured medical equipment, but I have a complete mastery of the entire process. I am Tunisian and live in Tunisia, where we have a highly skilled and very affordable workforce that guarantees stable, low-cost, and flexible production. Regarding your sample, I can assemble it for you in one week with full guarantees of proper functioning. If you would allow me, I would like to discuss this with you.