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I need an ESP32 project that takes 7 analog inputs and produces 9 large numerical outputs on a graphical display. Requirements: - Use of ESP32 microcontroller. - Read 7 analog signals. - Display 9 Zones of Large Numbers on 9 Displays Ideal Skills and Experience: - Proficient in ESP32 programming. - Experience with analog input handling. - Strong skills in graphical display programming for large numbers.
Project ID: 40563891
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Hello, Client. I read your project carefully and understand that you need an ESP32-based system to read 7 analog inputs and show 9 large numerical output zones clearly on graphical displays. I can develop the complete ESP32 firmware and display interface, including analog signal reading, ADC calibration, filtering/smoothing, value conversion, display layout design, and large-number rendering for all 9 zones. I will make sure the readings are stable, easy to read, and updated smoothly on the screen. My approach: 1. Confirm the analog signal range, display model, and whether the 9 zones are on one graphical screen or 9 separate displays. 2. Configure ESP32 ADC channels and input scaling/protection if needed. 3. Build firmware to read 7 analog signals accurately. 4. Process the values and calculate the 9 numerical outputs. 5. Design a clean graphical display layout with large readable numbers. 6. Test refresh speed, display stability, and analog reading accuracy. 7. Provide source code, wiring guide, and setup instructions. Estimated timeline: Day 1: Hardware/display review and ADC setup Day 2: Firmware logic and analog input processing Day 3: Display layout and large-number rendering Day 4: Testing, debugging, and final documentation I have strong experience with ESP32, embedded firmware, analog signals, sensors, display interfaces, testing, and complete project documentation, so I can deliver a clean and reliable solution.
$750 USD in 4 days
2.8
2.8
146 freelancers are bidding on average $988 USD for this job

With a robust background in electrical engineering and a master's degree in embedded systems, I bring more than proficiency to the table. My experience with microcontrollers such as ESP32 parlays well with your project requirements for creating numerical outputs on multiple graphical displays. I have handled numerous analog input scenarios in the past, making me adept at reading them efficiently, which is crucial to your task of processing 7 analog signals. Additionally, my skill set isn't limited to firmware development; it extends to PCB design and RF hardware as well. This holistic expertise provides an advantage when it comes to embedding your circuit into final IoT products. Lauding on the same point, I also pride myself on the ability to create intelligent connectivity solutions via AI/ML or leveraging IoT protocols like MQTT and BLE - facets that could be relevant in certain stages of your project. Encasing all these skills is my commitment to deliver comprehensive outputs—going from conceptualizing to market-ready products—essentially bringing your idea from a prototype phase through its entire lifecycle with finesse and efficiency.
$1,500 USD in 30 days
8.3
8.3

Dear sir I hav more than 12 years of experience in embedded systems design, with large experience in ESP32, I have interfaced ESP32 with different types of Displays, please message me so that we can discuss more details
$1,125 USD in 7 days
8.3
8.3

Hi I am an embedded systems engineer with over 16 years of experience. I have extensive experience with ESP32 based products, analog signal acquisition, calibration/filtering, and graphical display interfaces for clear real-time numerical output. For this project I can develop the ESP32 firmware to read the 7 analog inputs reliably, scale or calibrate the values as needed, and drive the graphical display layout with 9 large number zones or 9 separate displays depending on your hardware arrangement. I can also help review the display selection, input protection, ADC accuracy, noise handling, and wiring approach so the final setup is stable and usable beyond a simple demo. A few details I would like to confirm are the analog input voltage ranges, required update speed, display model/interface, and whether the 9 outputs are calculated from the 7 inputs or directly mapped values. I can support both firmware and hardware integration if needed, including bringing the design closer to a production-ready embedded product. Please contact me to discuss details.
$1,150 USD in 12 days
7.6
7.6

With my extensive experience as an embedded systems engineer, specifically with the ESP32 microcontroller, I am confident in my ability to develop the project you've described. I have a deep understanding of analog signal processing and strong skills in graphical display programming, making me the ideal candidate for your project. Not only have I mastered working with your specific hardware and software requirements, but I also bring a creative mindset that will serve your project exceptionally well. My familiarity with C/C++ programming, data visualization techniques and electrical engineering expertise will ensure that all 7 analog inputs are correctly read and the 9 zones of large numbers are displayed accurately on the graphical display.
$750 USD in 4 days
7.9
7.9

are these 9 displays deployed remotely ? can you explain the whole setup and also why did you select ESP32 (if WiFi is not needed) and also share the details what kind of display have you in mind exactly. I am proficient in ESP32, but there are plenty of other controllers that could do the job better. lets connect and discuss without any obligations.
$1,125 USD in 7 days
7.3
7.3

As an expert in Electrical Engineering and an ESP32 maestro, I am well-versed in the skills needed to bring your project to life. With my extensive knowledge of Analog Design, Embedded Systems and Electronic Design, I can carefully manage your 7 analog inputs while extracting the desired numerical outputs for each of your 9 graphical zones with ease. Additionally, my proficiency in the ESP32 microcontroller ensures that I can efficiently process and present the information on your graphical displays. Not only do I possess technical skills ideal for this project, such as C/C++ Programming and familiarity with Embedded Systems, but I also bring diverse experiences. My past projects in Digital Motor Control would serve as a good foundation for this task because they involved working with multiple inputs and generating pertinent outputs using robust algorithms. In creating control algoritms for 3-phase induction motors and BLDC motors, I have developed a keen understanding of handling analogue signals effectively. My unique blend of technical proficiency, breadth of experience and strong grasp of programming is unmatched in meeting your project needs.
$1,250 USD in 15 days
7.5
7.5

Hi, I can help with your ESP32 project. I have experience with ESP32 programming, analog signal acquisition, embedded systems, and graphical display development. I can develop firmware to read all 7 analog inputs, process the data, and display 9 large, easy-to-read numerical values on the display with a clean and responsive interface. Please share the display model and analog input range so I can recommend the best implementation.
$800 USD in 7 days
7.5
7.5

Hi there, I read your offer carefully and understand that you need an ESP32-based system to read 7 analog inputs and display 9 large numerical output zones on graphical displays. I can help develop the firmware, handle analog signal reading, scaling/calibration, display layout, and large-number graphical UI. I have experience with ESP32 programming, ADC inputs, sensor data processing, and display interfaces such as SPI/I2C TFT, OLED, and graphical LCD modules. I can deliver a clean, reliable solution with readable display zones and well-structured code. Just send me a message and we can discuss the details. Best regards, Samuel Tshibangu
$1,125 USD in 7 days
6.4
6.4

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 !
$751 USD in 3 days
6.2
6.2

HI, KINDLY READ THROUGH MY PROPOSAL I will develop a complete ESP32 project that reads 7 analog inputs and displays 9 large numerical values clearly on a graphical TFT display. MY APPROACH ✅ Phase 1: Set up ESP32 with ADC configuration for 7 analog channels. ✅ Phase 2: Implement smooth graphical UI with large, readable numbers for 9 zones using LVGL or TFT library. ✅ Phase 3: Add real-time updating, calibration, and clean code structure. RELEVANT PROJECTS - Several ESP32 dashboard projects with multiple analog inputs and large graphical displays. - Custom monitoring systems with high-visibility numerical outputs. DELIVERABLES - Complete, commented Arduino/ESP-IDF source code - Wiring diagram and setup instructions - Ready-to-flash binary QUESTIONS 1. What display size/resolution and controller (e.g., ILI9341, ST7789)? 2. Voltage range for the 7 analog inputs? 3. Any specific calculation needed for the 9 output values? Ready to deliver a polished, responsive project quickly. I specialize in ESP32 graphical interfaces with analog sensing.
$750 USD in 3 days
6.7
6.7

Hi, I can build an ESP32 solution that reads 7 analog inputs and drives 9 large numerical zones on graphical displays, optimized for clarity and responsiveness. I’ll handle stable ADC sampling (filtering/scaling), mapping inputs to computed outputs, and render big, legible digits on 9 display regions (single panel partitioned or multiple displays), with smooth updates and low latency. Plan/tech: ESP32 (IDF or Arduino core), ADC calibration + averaging, optional moving median for noise, SPI/I2C display drivers (e.g., TFT/ST7735/ILI9341 or SSD1306), custom large‑digit font, double‑buffered drawing to prevent flicker, and a simple config layer for thresholds/units. Best regards, Muhammad Usman
$800 USD in 3 days
5.7
5.7

Hi, I can build this using ESP32 to read all 7 analog inputs and display 9 large, easy-to-read numerical values on your graphical displays. I’ll make sure the readings are stable, responsive, and the interface is clean and reliable. To get started, I’ll need the ESP32 model, display specifications, and how the 7 inputs relate to the 9 displayed values. Happy to discuss the details.
$1,125 USD in 2 days
5.8
5.8

Hi! The ESP32 is the right base chip for this, but the raw ADC will be the make-or-break detail nobody's mentioned yet: with 7 analog inputs feeding "large numerical" readouts, you need those digits to sit still, not jitter. I'd also flag one open question before locking scope — are the 9 displays separate physical modules, or 9 numeric zones on one larger screen? That single answer changes GPIO/bus budget and cost more than anything else in this brief. I've built multi-channel sensor dashboards on ESP32 where raw ADC noise made "clean" digit readouts impossible until the acquisition path was fixed at the driver level rather than papered over with UI smoothing — same underlying problem your project will hit. Plan: Phase 1: Bring-up on your ESP32 devkit, confirm all 7 channels are addressable on ADC1, and lock the display architecture (separate modules vs. single-screen zones). Phase 2: Firmware: a superloop or lightweight FreeRTOS task structure with one task per acquisition/display cycle, plus the display driver. Phase 3: Integration: wiring the filtered sensor values into the display refresh loop, and any connectivity,if the unit needs to report or update remotely. Phase 4: Validation: functional testing across the full sensor range, refresh-rate stability, and a burn-in run to confirm no drift or flicker over time. We can discuss it more in details and can share my previous projects also. Thanks Regards
$750 USD in 6 days
5.9
5.9

Hi, Thanks for sharing the project details. I can develop the ESP32-based graphical output system to read 7 analog inputs and display 9 large numerical values across 9 display zones or separate displays, depending on your preferred hardware layout. My first step would be to confirm the analog signal range, required accuracy, refresh rate, display type/size, and whether the 9 outputs are calculated values from the 7 inputs or direct readings plus derived results. Since ESP32 ADC inputs can be noisy, I may recommend an external ADC module if you need stable and accurate readings. I can handle the firmware development, analog input processing, filtering/calibration, display driver integration, large-number graphical UI, and testing. The final code will be clean, commented, and easy to modify for scaling, units, thresholds, or display layout changes. I have experience with ESP32, ADC handling, TFT/OLED/LCD displays, SPI/I2C communication, embedded UI development, and sensor-based monitoring systems. Regards,
$1,125 USD in 4 days
5.7
5.7

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.
$1,125 USD in 7 days
6.2
6.2

Hello, I can develop your ESP32-based system to read 7 analog inputs and display 9 large numerical values on a graphical display with a clean, responsive interface. With 15+ years of experience in embedded systems, I have designed numerous ESP32 and STM32 products involving analog signal acquisition, TFT displays, industrial sensors, and custom PCBs. I can provide: • ESP32 firmware with accurate acquisition of all 7 analog channels • Signal filtering, calibration, and scaling • Fast graphical interface with 9 large-number display zones • Well-structured, maintainable Embedded C/C++ code • Complete schematic and PCB design if custom hardware is required • Testing, debugging, and ongoing support Before starting, I'd like to confirm: • Which display will be used (ILI9341, ST7789, Nextion, etc.)? • What is the analog input range (0–3.3V, 0–5V, 0–10V)? • Are the 9 displayed values direct measurements or calculated from the inputs? I deliver reliable, production-ready solutions with clear communication throughout the project. I'd be happy to discuss your requirements and get started immediately. Best regards, Hamza Embedded Systems Engineer | ESP32 | STM32 | PCB Design
$750 USD in 5 days
5.4
5.4

“Hi, I’ve successfully delivered multiple ESP32-based projects involving multi-channel analog acquisition and graphical data visualization. I can easily handle your 7-channel analog inputs and optimize the UI for the 9-zone numeric display. I will ensure stable, noise-filtered sampling and a clean, readable layout. Could you confirm which display controller (e.g., ILI9341, ST7789) or communication protocol (SPI/I2C) you plan to use?”
$800 USD in 15 days
5.5
5.5

As an experienced, multi-disciplinary Electronic Engineer, specializing in ESP32 programming and firmware development, I possess the full suite of skills needed for your project. From reading analog signals to projecting large numerical displays, I am proficient in every aspect you want incorporated in this application. My extensive knowledge in Circuit Design, PCB development and RF design has honed my diligence in electrical performance, thermal reliability, and manufacturability- qualities perfectly aligned with the spirited demands of your ESP32 project. Particularly pertaining this project is my work designing and optimizing high-current power circuits and low-impedance power distribution networks- elements that can easily be translated to solving this project's power efficiency needs. If chosen, anticipate bespoke solutions tailored to efficient handling of your specified 7 analog inputs into 9 large numerical outputs resulting to a graphical display that you have envisioned. My goals are simple yet powerful: deliver reliable results with efficiency and finesse.
$1,200 USD in 7 days
4.8
4.8

Hi, I have 10+ years of embedded systems experience and have delivered 120+ PCB and firmware projects, including multiple ESP32-based HMI systems with analog sensing, TFT displays, and real-time data visualization. I have developed high-speed graphical interfaces using LVGL and TFT_eSPI, optimized ADC acquisition with filtering and calibration, and built responsive embedded UIs for industrial monitoring applications. Approach ✅ I will review the seven analog inputs, define the required scaling, filtering, and calibration methods, and establish stable ADC sampling with deterministic update timing. ✅ I will implement a high-performance ESP32 graphics framework that renders nine large numerical zones with smooth screen refresh and optimized memory usage. ✅ I will integrate the acquisition and display tasks using FreeRTOS, validate refresh rates, and optimize performance to eliminate flicker and latency. ✅ I will perform functional testing, ADC accuracy verification, and deliver well-documented source code ready for future feature expansion. Questions ✅ I would like to know which graphical display module, controller, and resolution you plan to use (ILI9341, ST7789, RGB, HDMI, etc.)? ✅ Should the seven analog inputs use the ESP32 internal ADC directly, or will external ADC devices be required for higher accuracy? ✅ Are the nine displayed values derived directly from the analog inputs, or do they require calculations, averaging, or custom conversion formulas? Best, Yaroslav
$1,125 USD in 7 days
5.0
5.0

⭐⭐⭐⭐⭐ I've reviewed your project and understand that you need an ESP32 application that reliably acquires 7 analog inputs and displays 9 large numerical values on a graphical display with a clean, easy-to-read interface. I can develop well-structured ESP32 firmware that continuously samples the analog channels, applies filtering for stable readings, and updates the display smoothly with large, high-visibility numbers. The code will be modular and documented, making it easy to modify calibration, scaling, or display layouts as your project evolves. Milestones: Review hardware and display specifications Develop analog input acquisition and processing Design the graphical display with 9 large numeric zones Testing, optimization, and source code handover A few questions before we begin: Which display are you using (model, size, and interface)? How are the 9 displayed values calculated from the 7 analog inputs? Do you require touch functionality or display-only operation? I'm ready to get started as soon as you share the display details and project specifications.
$1,125 USD in 7 days
5.1
5.1

J, United States
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