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Smart Shelf Weight Monitoring System (ESP32 + HX711 + Web Interface) Project Description: I am developing a final-year Electrical & Electronics Engineering project and need assistance building a smart weight monitoring system for a single shelf. The system will measure and track weight changes in real-time using a load cell sensor and transmit the data to a web-based interface. Hardware Requirements: ESP32 microcontroller (Wi-Fi enabled) HX711 load cell amplifier Load cell (weight sensor) Stable and accurate measurement (handle noise and drift) Software Requirements: ESP32 firmware (C/C++ / Arduino framework) Real-time data acquisition from HX711 Wi-Fi communication (HTTP or MQTT) Data transmission to a web server Web Interface: Simple dashboard (web-based) Display current weight in real-time Show changes (add/remove items) Optional: alerts when weight changes beyond threshold Key Challenges: Noise filtering and stable readings Calibration of load cell Handling drift over time Reliable wireless communication Deliverables: Working ESP32 code Web interface (basic but functional) Documentation (setup + explanation) Optional: suggestions for system improvement Preferred Skills: Embedded systems (ESP32) Sensors & signal processing Web development (basic dashboard) IoT systems
Project ID: 40385057
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I have experience working on sensor-based IoT systems. I have previously developed a smart system for inventory tracking using load cells and ESP32, where weight data was monitored continuously and sent to a web dashboard. This included handling noise, calibration, and ensuring stable readings over time. I also have access to a fully equipped electronics lab, which allows me to properly test the load cell setup, calibrate the system, and ensure reliable performance before final delivery. Deliverables: 1. Fully working ESP32 firmware 2. Accurate load cell integration with HX711 3. Wi-Fi communication (HTTP or MQTT) 4. Functional web dashboard for real-time weight display 5. Logic for detecting weight changes 6. Basic documentation For my approach, I start by setting up the hardware and ensuring the load cell gives stable readings through proper calibration and filtering. Then I develop firmware to capture and process data reliably, followed by sending it to a simple web interface for real-time monitoring. I keep the system clean and easy to understand so you can use and expand it without confusion.
$400 USD in 4 days
3.2
3.2
48 freelancers are bidding on average $494 USD for this job

With our formidable team of versatile and experienced engineers, we guarantee the successful completion of your ESP32-Based Intelligent Weight Tracking System project. Having specialization in Arduino, C Programming, Electronics, Embedded Systems, and Microcontroller programming, we have a proven ability to meet similar projects' needs. Our expertise in sensors and signal processing uniquely positions us to tackle the noise filtering and stable reading challenges associated with load cell calibration. Our software capability in ESP32 firmware (C/C++/Arduino framework) for real-time data acquisition and Wi-Fi communication (HTTP/MQTT) will ensure reliable wireless transmission of key data to your desired web server interface. Delivering more than just functional requirements, we would also provide a comprehensive documentation of setup and explanation of every bit of your custom-made solution. Our optional suggestions for system improvement can help you scale this system if desired. Above all, expect an impeccable working ESP32 code and a simple yet impressive web interface for easy monitoring. Choose us today as your trusted technology partner!
$750 USD in 7 days
8.5
8.5

Dear Client, I understand you want an ESP32-based smart shelf weight monitor using HX711 and a web interface. My approach is straightforward: build a robust firmware to read the HX711 data with filtering, calibrate the load cell, and run on ESP32 with Wi-Fi. I’ll implement real-time weight updates, handle noise and drift with a small digital filter and a simple auto-calibration routine, then push data to a local web server via HTTP or MQTT. The web interface will show the live weight, changes when items are added or removed, and optional alerts for weight threshold breaches. Hardware integration will use stable wiring, proper grounding, and consistent power to minimize drift. Documentation will cover setup, calibration steps, and troubleshooting, plus suggestions for future enhancements like multi-sensor shelf monitoring and offline data logging. Deliverables: Working ESP32 code, basic web dashboard, setup and calibration guide, and optional improvement ideas. I will ensure clean, commented code and clear instructions for replication. 4-5 important technical questions to ask the client: 1. What is the expected load range (min to max) and precision requirement for the weight readings? 2. Do you prefer MQTT or HTTP for data transfer, and will a local server or cloud service be used? 3. How frequently should the weight be polled and reported in the dashboard (e.g., every second, every 100 ms)? 4. What tolerance for calibration drift is acceptable, and do you require autom
$750 USD in 10 days
7.0
7.0

Yes, I can assist in getting the firmware developed nicely. I have all the dev boards as well as sample load cell in order to test and validate the working of it. I will setup the web server and create a basic web interface to show the results. in the webserver backend I will use php/mysql to fetch and store the results from the ESP32. After completion, I will guide you through and if needed I can assist via phone/text messaging until it works at your end. I have 25+ years of experience in C programming and the firmware development will follow the ESP-IDF path and RTOS using C language. After completion, will deliver all the source code, server end php file as well as mysql table structure. Let me know. Thanks
$700 USD in 15 days
7.1
7.1

Hello, I can develop your Smart Shelf Weight Monitoring System using ESP32 and HX711 with a reliable web interface. The main issue in such systems is unstable readings caused by noise, improper calibration, and mechanical mounting errors. I will implement digital filtering and averaging techniques to ensure stable and accurate measurements. Load cell calibration and drift compensation will be carefully handled for long-term consistency. ESP32 firmware will be developed using Arduino framework with efficient data acquisition and processing. For communication, I recommend MQTT for reliable real-time transmission over Wi-Fi. A simple web dashboard will display live weight, trends, and threshold-based alerts. Complete documentation and setup guidance will be provided for easy deployment and understanding. Regards, Engineer Muhammad Usman
$500 USD in 7 days
6.7
6.7

Hey there! I’m Alok, A PCB, Circuit and Mechanical designer with a passion for turning ideas into rock-solid, high-performance circuit boards. even expert on Python, C, C++ With nearly a decade of experience, I’ve tackled everything from compact consumer gadgets to complex industrial systems—always with a focus on precision, efficiency, and reliability. # Schematic & Layout Design – Clean, optimized, and manufacturable. # Component Selection & Library Management – No surprises, just the right parts for the job. # Reverse Engineering – PCB cloning, replication, and improvements. # Gerber, BOM & CPL Generation – Ready for seamless production. # DFM & DFA Expertise – Because great design means smooth manufacturing. # Multi-Layer, Flex, & High-Density PCB Design – Whatever the project needs. If you need a PCB and Code that’s efficient, reliable, and built for real-world performance, let’s chat. I’d love to help bring your project to life!
$550 USD in 7 days
5.8
5.8

Hello! I'm a highly skilled PCB Designer with over 10 years of expertise in delivering reliable and efficient PCB designs. I specialize in creating precision designs tailored to client's needs, utilizing top-tier design tools such as Altium Designer, Autodesk Eagle, KiCad, EasyEDA, Siemens PADS, DipTrace, Allegro/OrCAD, Fritzing and Proteus. My goal is always to ensure the highest quality and performance in every project. Core Expertise : • Schematic Capture & Layout Design • Component Selection & Library Management • Reverse Engineering (PCB Replication, PCB Cloning) • Gerber, BOM, and CPL File Generation & Manufacturing Support • Design for Manufacturability (DFM) and Design for Assembly (DFA) • PCB Design & Development (Single, Double, Multi-Layer, Flexible PCBs) Industries Served : • Medical Devices • Telecommunications • Consumer Electronics • Industrial Equipment • Automotive Electronics • Safety and Security Devices Why Choose Me? • Attention to Detail and Commitment to Quality • Strong Communication Skills & Client-Centric Focus • Timely Delivery & Flexible Approach to Meet Project Requirements I would love to help you with your next PCB design project. Feel free to reach out, and let’s discuss how I can bring your ideas to life! Best Regards, Utpal
$650 USD in 10 days
5.3
5.3

Hello! I’m excited about the opportunity to assist with your Smart Shelf Weight Monitoring System project. I understand the importance of accurate and real-time weight tracking using the ESP32 and HX711, along with developing a user-friendly web interface for monitoring. With extensive experience in embedded systems and IoT development, I have successfully implemented similar projects where I utilized the ESP32 for real-time data acquisition and communication. My skills in C/C++ programming and web development will ensure that we create a reliable and efficient solution tailored to your specifications. To achieve your project goals, I would take the following approach: - Develop the ESP32 firmware to ensure accurate data acquisition while implementing noise filtering techniques for stable readings. - Set up Wi-Fi communication for seamless data transmission, choosing between HTTP or MQTT based on your preferences. - Design a simple yet effective web dashboard that displays real-time weight changes and sends alerts for weight fluctuations. - Provide thorough documentation for setup and future improvements. I am eager to start working on this project and am confident in delivering quality results within your timeline. Let’s discuss any further details or questions you may have!
$250 USD in 7 days
4.7
4.7

Hi, I’m a U.S.-based certified electronics and embedded firmware engineer with hands-on experience designing IoT systems using ESP32, precision sensor interfaces, and real-time data pipelines. I have previously built weight and force measurement systems using load cells with HX711, including robust calibration routines, temperature compensation, and digital filtering techniques to ensure stable, drift-resistant readings. For your smart shelf project, I will develop optimized ESP32 firmware in the Arduino framework that performs reliable real-time acquisition, applies noise reduction (moving average/Kalman filtering if needed), and transmits data over Wi-Fi using either HTTP or MQTT based on your preference. I will also design a lightweight, responsive web dashboard that displays live weight data, logs changes, and supports configurable thresholds for alerts when items are added or removed. My approach emphasizes system reliability, including reconnection handling, data integrity checks, and efficient power and resource usage on the ESP32. Deliverables will include fully documented source code for firmware and web interface, step-by-step setup instructions, calibration procedures, and clear system architecture explanations. Additionally, I will provide practical recommendations for future enhancements such as multi-shelf scaling, cloud integration, and long-term drift compensation strategies. Jared
$750 USD in 7 days
4.7
4.7

⚠️ If you're not happy, you don’t pay. ⚠️ Hi there, Thank you for checking my proposal and sharing the detailed project brief. I can build your Smart Shelf Weight Monitoring System using ESP32 and HX711 with a reliable and user-friendly design. I will deliver: • Working ESP32 code for real-time data acquisition • Basic yet functional web interface displaying current weight • Comprehensive documentation for setup and understanding • Suggestions for system improvement You will also receive: • Guide for calibration and noise filtering • Support for stable readings and wireless communication clarity I am confident I can execute your vision professionally and efficiently. Looking forward to discussing timeline and next steps. Best regards, Chirag.
$550 USD in 7 days
4.5
4.5

Best Smart Shelf Weight Monitoring System Expert! ⭐⭐⭐⭐⭐ Dear Client, The biggest risk in this project is not making the system work—it’s getting unstable and drifting weight readings combined with unreliable wireless updates, which can make the system look functional but fail in real-world accuracy and long-term consistency. That is where embedded IoT system design matters. I would approach this by: 1. carefully designing the ESP32 + HX711 integration with proper grounding, shielding considerations, and stable power regulation to minimize electrical noise at the sensor level 2. designing a robust calibration system so the load cell remains accurate over time, including zero-offset correction and periodic recalibration logic 3. developing a clean and responsive web dashboard showing real-time weight updates, historical changes, and threshold-based alerts for smart monitoring This ensures the system is not just operational but also accurate, stable, and dependable for continuous monitoring use. ✅Two quick questions: Will the system run on battery power or a continuous power supply? Do you need multi-shelf expansion capability in the future or strictly a single-shelf setup? If you message me, I can design a complete architecture and implementation plan optimized for precision, stability, and scalability. Best regards, Prat PCB Must Innovations
$500 USD in 4 days
6.3
6.3

Hi there, I have read your project requirement. You need a complete IoT-based smart shelf system using ESP32 + HX711 + load cell, with stable real-time weight measurement, Wi-Fi data transmission, and a simple web dashboard to monitor changes and trigger alerts. We can build a reliable solution with calibrated sensing, noise filtering, stable firmware, and a lightweight web interface for real-time monitoring. Approach: ========= ESP32 firmware (Arduino/C++) with HX711 reading + filtering (moving average + calibration) Drift handling (tare + periodic recalibration logic) Data transmission via MQTT/HTTP Web dashboard (Node.js or simple Firebase/HTML UI) with live updates A few questions: ============== What weight range and precision do you need for the load cell? Do you prefer MQTT (real-time) or HTTP (simpler setup)? Should alerts be shown only on dashboard or also via email/notification? Do you already have hardware or need setup guidance as well? Best Regards, Srashtasoft Team
$500 USD in 7 days
4.7
4.7

Hello, I believe my expertise aligns perfectly with your project requirements for the ESP32-Based Intelligent Weight Tracking System. With over 6 years of experience as a Senior Software Engineer specializing in C Programming, Electronics, Microcontroller, Arduino, MQTT, Web Development, HTTP, and Embedded Systems, I am confident in delivering the best results for your final-year Electrical & Electronics Engineering project. As Dax Manning, I am well-versed in working with ESP32 microcontrollers, HX711 load cell amplifiers, and developing firmware in C/C++ using the Arduino framework. I can start immediately, dedicating myself to ensuring the successful implementation of the smart weight monitoring system for your shelf. I understand the critical challenges involved in noise filtering, stable readings, calibration of load cells, and ensuring reliable wireless communication. By closely collaborating with you, I am committed to providing a working ESP32 code, a functional web interface, and detailed documentation to meet your project goals effectively. I have a few quick questions to get started. Could we discuss the specific requirements and tasks further to ensure a successful outcome together? Thanks, Dax Manning
$400 USD in 3 days
4.3
4.3

Hi, this is a really interesting and practical final year project. I already had completed baby weight scale project with ESP32 and load cell systems before, and I understand that the biggest challenge here is not just reading values, but getting stable and reliable measurements over time. I can help you build a complete solution that works smoothly from sensor to web interface. On the ESP32 side, I will handle accurate data reading from the HX711 with proper filtering so you don’t get noisy or jumping values. I’ll also implement a clear calibration process and include methods to reduce drift, so your readings stay consistent. For communication, I can set up a reliable WiFi connection using either HTTP or MQTT, depending on what you prefer. On top of that, I will create a simple web dashboard where you can see the weight updating in real time and easily notice when items are added or removed. If needed, I can also include alerts when weight changes beyond a defined threshold. I’ll make sure the code is clean and well explained, so you can confidently present and explain it during your evaluation. You’ll also get proper documentation covering setup, calibration, and how everything works. If you want to go a step further, I can suggest improvements that make your project stand out, like data logging or scaling it to multiple shelves. Let me know if you’d like me to get started or if you want to discuss your setup first. Best regards
$300 USD in 7 days
3.8
3.8

Hello, I can develop your ESP-based intelligent weight tracking system with reliable sensor integration, accurate data processing, and stable real-time monitoring performance. I have strong experience in ESP32/Arduino, embedded systems, IoT development, PCB design, and sensor-based automation systems. I have worked on similar embedded and hardware integration projects before, ensuring accurate readings and stable firmware performance in real-world applications. A relevant project from my work is the Smart Monitoring System developed under my portfolio, where I implemented ESP-based real-time data tracking and wireless communication for continuous monitoring applications. I have worked on similar systems multiple times and understand precision-based sensor handling and data stability requirements. I can complete this project within 3 days with proper testing and reliable output.
$250 USD in 3 days
3.4
3.4

⭐⭐⭐⭐⭐ I’ve read your project carefully—this is a solid EEE build, and I can help you get a stable, clean, and presentable system without overcomplicating it. I’ve worked with ESP32 + load cells before, and the biggest wins come from proper filtering + calibration + stable data handling, especially with the HX711. My approach: • Clean ESP32 firmware (Arduino framework) for HX711 reading • Apply filtering (moving average + drift compensation) • Simple calibration routine (user-friendly) • Wi-Fi data push (HTTP or MQTT—your choice) • Lightweight web dashboard (real-time weight + change detection + alerts) Milestones: Sensor integration + stable readings Calibration + filtering implementation Wi-Fi communication (API/MQTT) Web dashboard + final testing + docs You’ll get working code, dashboard, and clear documentation so you can demo confidently. Quick questions: What weight range/precision are you targeting? Do you prefer MQTT (more “IoT”) or simple web dashboard (easier demo)? Happy to help you turn this into a strong final-year project.
$500 USD in 7 days
2.9
2.9

As an embedded systems enthusiast and a Full-Stack Developer with considerable experience, I can confidently tell you that I'm the perfect fit for your ESP32 based weight tracking system project. My expert skills in Arduino, C Programming, Electronics, and HTTP communication align impeccably with your stated demands. The weight tracking system you're building requires precise calibration and stable readings; two aspects I'm well-versed in handling. My expertise spans soldering circuits, writing resilient firmware in C/C++ with Arduino as well as integrating necessary protocols like MQTT. Moreover, my proficiency in Web Development and the ability to create functional yet intuitive dashboards will make the process of monitoring those weight changes over time smooth and user-friendly. From transmitting data reliably using Wi-Fi enabled ESP32 microcontrollers and HX711 load cell amplifiers to setting up basic but productive web interfaces that display current weights in real time - I have got this covered! Plus, my knack for handling project documentation means you can expect thorough setup guides and comprehensive explanation of your customized system.
$300 USD in 7 days
3.1
3.1

Hello, I am Vishal Maharaj, with 20 years of experience in C Programming and Web Development. I have carefully reviewed the requirements for the ESP32-Based Intelligent Weight Tracking System project. To address the project needs, I propose to develop a robust system using the ESP32 microcontroller with the HX711 load cell amplifier for real-time weight monitoring. The system will feature stable and accurate weight measurements, noise filtering, and reliable wireless communication via Wi-Fi. The ESP32 firmware will be programmed in C/C++ using the Arduino framework to acquire and transmit data to a web-based interface. The web interface will display real-time weight data and allow for monitoring changes in weight, with the option for alerts when weight exceeds a threshold. I am eager to discuss the project further and collaborate on its successful implementation. Cheers, Vishal Maharaj
$500 USD in 5 days
2.9
2.9

I’ve built and maintained WordPress LearnDash portals with AI-assisted course pipelines, including teacher roles, student dashboards, quizzes, and assignment uploads, so this scope is familiar. The real risk here is not just setup but getting course hierarchy, permissions, upload handling, and content quality right from day one; weak role mapping, poor lesson taxonomy, or unreviewed AI output quickly create support issues. I would configure LearnDash structure, harden user flows, test submission paths, build a repeatable Gemini prompt-and-review workflow, and document a maintainable process I can own end to end.
$650 USD in 7 days
1.9
1.9

Greetings Dear Hiring Manager I have read the description of your project and I understand everything. As a technical professional with expertise in electronics engineering and IoT safety systems, I will deliver a precision-calibrated ESP32 system featuring advanced noise filtering and a real-time web dashboard for accurate weight tracking. I am waiting on chat to discuss more and I am willing to start it now. Best Regards, Zain Abbas
$250 USD in 3 days
4.5
4.5

Hey, I understand the need for a reliable smart weight monitoring system for your final-year project. Leveraging the ESP32 microcontroller along with the HX711 load cell amplifier for real-time weight tracking presents exciting technical challenges. To tackle noise filtering and ensure stable readings, I plan to implement advanced signal processing techniques within the ESP32 firmware. Additionally, I will focus on precise load cell calibration to maintain accuracy over time. With expertise in embedded systems and IoT, I aim to deliver robust ESP32 code for real-time data acquisition and secure Wi-Fi communication. The web interface will feature a simple, user-friendly dashboard displaying current weight and changes. I look forward to collaborating on this project and providing detailed documentation along with potential system enhancements. Isaiah
$500 USD in 7 days
1.5
1.5

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