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Need getting Ionic Fingerprint from Saliva Need the schematic design circuit for this, with its components
Mã dự án: 40232983
25 đề xuất
Dự án từ xa
Hoạt động 17 ngày trước
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25 freelancer chào giá trung bình $145 USD cho công việc này

As an experienced Electrical Engineer with a Master’s in Embedded Systems and a deep understanding of circuit design, I am thrilled about the opportunity to work on your project. Focusing on product engineering, my area of expertise aligns perfectly with your requirements, as I possess comprehensive knowledge of Microcontrollers and Embedded Systems including ESP32. This qualifies me to deliver top-tier PCB designs using industry-leading tools like Altium Designer and KiCad. Moreover, being skilled in Biomedical Engineering, I understand the nuances and specificity inherent in designing systems that interface with sensitve biological data such as Ionic Fingerprint from Saliva. My relevant background greatly contributes to my ability in delivering robust embedded solutions that ensure the accurate extraction and processing of such valuable information. Lastly, I pride myself on offering more than just schematic designs. I bring full-stack capabilities and have successfully completed multiple projects from concept to market-ready products including AI/ML integration, IoT connectivity, CAD & Mechanical enclosures which enables me to provide a comprehensive yet efficient service.
$275 USD trong 7 ngày
8,1
8,1

I am a skilled and reliable Embedded Systems Engineer with over 6 years of hands-on experience in Arduino, ESP32/ESP8266, and microcontroller-based development. I specialize in designing efficient, stable, and scalable embedded solutions, turning ideas into fully functional hardware-software systems. I have a strong background in electronics, sensors, communication protocols (UART, I2C, SPI, MQTT, WiFi, BLE), and real-time embedded systems. My development approach focuses on clean, well-structured, and well-documented firmware, ensuring long-term reliability and easy maintenance. I also provide thorough testing, debugging, and performance optimization, including power efficiency improvements where required. I am a detail-oriented engineer with strong problem-solving skills and extensive experience in hardware debugging and firmware optimization. Beyond technical expertise, I value clear communication, meeting deadlines, and maintaining high client satisfaction. I work closely with clients to fully understand project requirements and deliver high-quality results. Pricing is flexible and can be discussed based on project scope and complexity. I am open to both short-term and long-term projects. Let’s work together to build a professional, reliable, and efficient embedded system for your needs.
$140 USD trong 20 ngày
7,4
7,4

Dear Sir, With over a decade of experience in circuit and electronics design, especially in fields relevant to your project like Analog Design, Digital Motor Control, Power Electronics and more, I am confident I can deliver an exceptional Ionic Fingerprint Schematic for the ESP32 module. Throughout my career, I've demonstrated my mastery of Altium for PCB design and simulation tools such as Orcad, MATLAB, EasyEDA among others. This expertise would ensure an efficient design process with high-fidelity results. Additionally, I have an expansive knowledge base on microcontrollers including but not limited to ESP32. This knowledge encompasses areas such as Motor Vector Control Drives, BLDC and DC motors - which could come in handy for your project's specific needs. Most importantly, your project requires the skillset that encompasses my every-day work. My understanding of the intricacies of Minting advanced electronic circuits harmonising several components at once is well-established. With me on your team, you can be confident of a detailed and reliable schematic design for your Ionic Fingerprint system using ESP32. Thank you for considering me for your project. I look forward to discussing this further with you. Warm Regards, Metin
$85 USD trong 7 ngày
7,4
7,4

As a dedicated and experienced Electrical/Electronics Engineer with over 8 years of practice in circuit design, I believe I am the ideal candidate for your project. My extensive skills in Eagle, Altium, KiCAD, and EasyEDA have allowed me to excel in PCB design and prototyping, a task central to this project. Moreover, my profound understanding of Embedded Systems including Arduino, C/C++, VHDL/Verilog HDL and FPGA development further add to the relevance of my profile. Given your requirement to develop an Ionic Fingerprint Schematic using ESP32 for saliva analysis purposes, my biomedical engineering background offers me unique insights into this realm. It enables me to resonate sensitively with the significance of accurate designs that can deeply impact healthcare technology. By choosing me, you're not only selecting a certified professional well-versed in MATLAB/SIMULINK & Python programming for data analysis but also gaining access to an individual ranked among the top 1% of skilled professionals on the platform. My attention to detail and commitment to delivering on time align perfectly with the needs of your project. Make a wise choice by laying the foundation for your project with a seasoned expert like myself. Let's create innovative solutions together!
$200 USD trong 3 ngày
6,7
6,7

I can design a reliable ionic analysis system to extract a unique ionic profile from saliva using ion-selective sensing and precision signal conditioning. The solution will include a complete schematic with ion-selective electrodes, high-impedance analog front end, filtering, ADC stage, and microcontroller processing unit. Component selection will focus on medical-grade stability, low noise, and accurate µV-level measurements. I will also provide BOM, PCB layout recommendations, and calibration methodology. The design will be optimized for repeatability, portability, and future production scaling. With strong experience in precision analog and sensor interface design, I can deliver a practical and validated engineering solution. Regards Engr Muhammad Usman
$240 USD trong 3 ngày
6,6
6,6

I am a mechatronic engineer with more than 5 years experience in embedded systems and circuit and PCB design and I believe I can handle your task to perfection.
$150 USD trong 7 ngày
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.
$140 USD trong 7 ngày
6,1
6,1

I am an expert embedded systems and electronics engineer. I can help you with your project. Best Regards, Ramy
$150 USD trong 14 ngày
5,4
5,4

Hi sir..Its me Imad, an esp32 based firmware dveloper and engineer. You will get the best prototype built. Thanks for posting the job. Feel free to talk.....thanks..................................
$140 USD trong 4 ngày
5,1
5,1

Designing a reliable saliva ionic fingerprint measurement circuit that can read tiny sensor signals without noise drift or contamination issues is not a problem with the right electrochemical front end and calibration plan. Well, what I can do for you as an electronics engineer with 8+ years of experience is propose the correct sensing method for your target ions or overall conductivity, then design the complete schematic with the analog front end, filtering, ADC interface, reference and biasing, and a stable power and grounding strategy so the readings are repeatable and measurable in real conditions. In fact, I have delivered sensitive measurement and embedded hardware designs including a custom security camera circuit design, a real time low power 8 bit SAR logic circuit at circuit level, and a high power dimmer around 10000 watts, so I am comfortable with both precision signal integrity and practical component selection, and I will provide the full schematic and component list with clear notes on sensor connection, sample handling, and basic calibration
$30 USD trong 7 ngày
4,8
4,8

Best ESP32 Low-Noise Analog Front-End Design Expert ⭐⭐⭐⭐⭐ Hi, Thank you for posting your project, “Ionic Fingerprint Schematic using ESP32.” I’ve reviewed your requirements and can help you design a complete, technically sound schematic to acquire ionic fingerprint data from saliva and interface it reliably with an ESP32-based system. I bring 11+ years of experience in mixed-signal electronics, low-level analog signal acquisition, ESP32-based embedded systems, sensor front-end design, and noise-sensitive measurements. I’ve worked on electrochemical sensing, high-impedance input circuits, precision ADC interfacing, filtering, shielding, and safety-conscious designs required for biological signal capture. ✅ How I’ll Help You Succeed 1. Design a low-noise analog front-end (biasing, amplification, filtering, protection). 2. Select appropriate electrodes, reference elements, and interface components. 3. Safely condition the signal for ESP32 ADC input or external precision ADC if required. ✅ Before I Start, One Quick Question: Are you aiming for qualitative identification, relative comparison, or quantitative ion concentration measurement, and is this for research/prototyping only or a future product? If you share that, feel free to message me, and we can align quickly. Best regards, Prat PCB Must Innovations
$250 USD trong 2 ngày
6,4
6,4

My name is "Usama Safdar" and I am a Ph.D degree holder which means I am highly-capable to tackle this project "Content Editor " with 100 percent accuracy. I am a professional writer with over 6 years of experience in writing; Essays, Research Summaries, Thesis, Dissertation, Lab Reports and Case Studies. I always provide High-Quality Solutions within the shortest possible time with all instructions followed against very reasonable prices. I can manage works even with shortest deadlines like; "2500 words work in just 6 Hours" with very reasonable time. As a pro academic writer I am also familiar with all the referencing styles; such as APA, Harvard, OSCOLA, IEE, MLA etc. I always provide plagiarism-free solutions and as a prove I also provide "FREE Turnitin reports". For Samples, please visit my profile https://www.freelancer.com/u/SolutionMart Please message me to start the discussion. Thank You
$30 USD trong 1 ngày
3,5
3,5

✅Okay, I got what you want exactly. I am a biomedical electronics engineer with over 10 years of experience, providing ESP32-based embedded systems design, analog front-end development, low-noise signal conditioning, and custom schematic/PCB solutions for bio-sensing applications. This project is very similar to my previous works. I recently designed a portable electrochemical sensing device using ESP32 with a 16-bit ADC and instrumentation amplifier for microvolt-level signal detection, where I optimized the input bias current below 5nA and reduced noise by 38% through proper grounding and shielding layout. I’ve also developed a saliva-based pH and conductivity prototype integrating three sensing channels with auto-calibration firmware and real-time Bluetooth data transmission. ✅ So, I will divide your project like following: ⚡ Define sensing methodology and select proper ion-detection interface components ⚡ Design the complete schematic including analog front-end and ESP32 integration ⚡ Simulate and validate signal integrity, noise filtering, and power regulation ⚡ Prepare BOM, component specs, and prototyping guidelines Via private chatting or meeting, I will provide the creative idea and good tech solution for your project and I want to discuss about the budget and timeline in detail. Best regards. Yaroslav
$140 USD trong 7 ngày
3,5
3,5

With my extensive experience in electronic engineering spanning over 15 years, I've had the pleasure of spearheading projects similar to yours, where precision and efficiency matter immensely. My skills in Circuit Design, Electrical Engineering, Electronics, and Embedded Systems perfectly align with what your project requires. I am highly proficient with a variety of tools such as Altium Designer, KiCAD, Eagle and familiar with multiple programming languages including C/C++, Python. Additionally, my knack for detail ensures compliance with industry standards while delivering top-notch solutions. Previously in the medical devices sector; an area closely related to securing a human fingerprint from saliva; I have built commendable expertise that sets me apart from the rest. Drawing on this experience, I am well acquainted with the challenges that may arise throughout project execution and can prevent setbacks proactively. Collaborating with you will give me the chance to bring your envisioned Fingerprints Schematic circuit to life using ESP32. My versatility across domains like consumer electronics, automotive, medical devices, industrial automation and aerospace provides a broad perspective to problem-solving unique to your project. Let us join forces in creating an exceptional product for you!
$30 USD trong 1 ngày
3,0
3,0

Hi, I can help you design a complete schematic for extracting and measuring an Ionic Fingerprint from saliva. I will develop a practical circuit design including the ion-selective sensing stage, signal conditioning (high-impedance buffer, instrumentation amplifier), filtering, ADC interface, and ESP32, along with a clearly labeled component list (op-amps, resistors, reference electrodes, analog front end, power regulation, etc.). The design will focus on accuracy, low noise, and stability. Let's further discuss this project.
$40 USD trong 1 ngày
3,1
3,1

Hello Sir/Mam As a seasoned Electrical and Embedded System , I believe that I can bring the virtual reality in your project , I have 100% Grip on C/Embedded , C++ , and Python , I am also well versed in ARM Cortex M3/M4 Architecture , Also have Extensive Experience with MICROCONTROLLERS , Atmega 32, STM32,Yocto ESP32 ,TM4C . I have a great Grip on ARDUINO , MATLAB , PCB LAYOUT and IOT Applications . My ability to deliver exceptional results on time and with at most quality . Please come on chat to discuss more about project. I will be waiting for your response. Thank you !
$140 USD trong 2 ngày
2,9
2,9

An ionic fingerprint from saliva is not something that can be captured with a simple discrete analog circuit like a basic sensor + amplifier. What you’re describing falls under electrochemical / biosensing instrumentation, similar to ion-selective sensing or impedance spectroscopy systems used in labs. To clarify technically: Saliva “ionic fingerprinting” typically involves measuring: • Ion concentrations (Na⁺, K⁺, Cl⁻, Ca²⁺, etc.) • Conductivity • pH • Possibly electrochemical response curves This requires electrochemical sensing techniques, not a single schematic. Are you trying to: Measure overall saliva conductivity? Detect specific ions? Identify a person biometrically using saliva chemistry? Each requires a completely different architecture. If you clarify your intended use case (biometric, medical, research, etc.), I can provide a proper schematic-level design with component list tailored to that goal.
$100 USD trong 7 ngày
1,5
1,5

Hi ,I read through your request and I'm genuinely curious and this sounds like fascinating work. I'm an electronics designer with experience in biomedical sensor interfaces and low-signal analog design. While ionic fingerprinting from saliva is a specialized area, I've worked on projects involving electrochemical sensing and signal conditioning for biological samples. To deliver a useful schematic, I'd need to understand a bit more: · What detection method are you using? (impedance, potentiometric, amperometric?) · Do you have existing sensors or electrodes in mind? · What's the output goal — raw data, processed reading, something else? Without those details, any schematic would be guesswork. If you can share more about the approach or any reference material you're working from, I can design a circuit that actually supports your goals proper signal conditioning, noise filtering, and the right interface for whatever microcontroller or ADC you're using. Let me know what you have so far and we can go from there. Thanks Terlumun
$220 USD trong 7 ngày
0,5
0,5

Hello Mohammad, I'm Dax Manning, a seasoned professional with over 8 years of experience in Prototyping. I specialize in creating intricate circuit designs for cutting-edge technology projects. I have carefully reviewed your project requirements for the Ionic Fingerprint Schematic using ESP32. I understand the need for a detailed circuit design that can accurately capture the ionic fingerprint of saliva for health monitoring purposes. I am confident in my ability to deliver a comprehensive and professional solution that aligns with your project goals. I would love to discuss the project further and address any questions you may have. Please feel free to connect with me via chat to explore this opportunity in more detail. Thanks, Dax Manning
$30 USD trong 7 ngày
0,0
0,0

With nearly a decade of experience, including a Ph.D. in Software Engineering, I've gained an immense amount of expertise in Computer Vision, Image Processing and Embedded Systems - making me the ideal candidate for your project. My proficiency extends beyond just developing algorithms to include the design, implementation, and optimization of systems, strategies that will be crucial in building a portable biosensing system. Specifically, my expertise in computer vision and image processing using Python, MATLAB, and C/C++ aligns perfectly with your project's needs. Utilizing deep learning frameworks like PyTorch and TensorFlow, as well as libraries like OpenCV, I can help develop the necessary algorithms to capture and analyze the ionic fingerprint of saliva effectively. Moreover, my experience with performance optimization can significantly benefit your project. From leveraging multi-core processing to utilizing GPUs effectively, I have an array of techniques that can enhance the circuit's efficiency. Lastly, when it comes to the deployment of AI models on different hardware targets using various optimization techniques (like CUDA or openCL), I have consistently achieved remarkable results. Partnering with me will not only ensure a technically sound solution but also guarantee an efficient implementation catered specifically for your project. I'm excited about the prospect of working on this project and would be honored to help bring it to fruition.
$140 USD trong 7 ngày
0,0
0,0

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