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I’m taking a brand-new IoT device from idea to working prototype and need an embedded expert who can move smoothly between board-level decisions and low-level code. The scope touches every layer of the stack: • Firmware development • Hardware design • Sensor integration Day-to-day, you’ll be writing tight C/C++ for the MCU, using Python for test harnesses or quick validation scripts, and advising on component choice, schematic capture, and PCB layout. Expect to bring up the first boards, tune power consumption, and create the drivers that let all sensors report reliably to the cloud. Deliverables I’m counting on: 1. Complete schematics, BOM, and ready-for-fab Gerber files. 2. Well-documented firmware (C/C++) with build instructions. 3. Python test scripts confirming sensor performance and connectivity. 4. A short report summarising test results, power metrics, and next-step recommendations. If you enjoy owning the entire embedded pipeline and can demonstrate previous IoT success, I’d like to collaborate right away.
Project ID: 40562673
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24 freelancers are bidding on average ₹29,021 INR for this job

Hi, I can help with your IoT device development from hardware to firmware. I have experience in embedded C/C++, ESP32/MCU-based systems, sensor integration, PCB design, and power management. I primarily use Eagle CAD for schematic and PCB design and can deliver complete hardware design, manufacturing files, firmware, and testing support. I focus on reliable, low-power, production-ready designs and would be happy to discuss your project requirements in detail.
₹25,000 INR in 7 days
7.5
7.5

Hello, I have expertise in IoT based Firmware & Hardware development. Please check my portfolio for IoT based projects. We can discuss in detail over chat/meeting.
₹37,000 INR in 7 days
6.0
6.0

You’re building a brand-new IoT device end-to-end (firmware + hardware + sensor + cloud readiness), which I can support from MCU-level C/C++ through schematics/BOM/PCB outputs. I’ll help translate your concept into a validated prototype: selecting MCU/peripherals for reliable sensor reporting, drafting schematics and generating BOM with component rationale, and producing ready-for-fab Gerbers. On the firmware side, I’ll implement drivers and communication pipelines with build instructions, then create Python-based test harnesses to confirm sensor performance and connectivity. After bring-up, I’ll optimize power consumption and deliver a concise report covering test results, power metrics, and next-step recommendations, inserting your response at Empathetically, what are your MCU/board constraints (power budget, sensor list, connectivity like Wi‑Fi/BLE/LoRa) so I can shape the firmware-hardware architecture correctly at the start? to align early on requirements and constraints.
₹29,500 INR in 21 days
5.2
5.2

Your power budget will determine whether this device runs for 6 months or 6 weeks on a single charge, and most prototypes fail because firmware polling loops drain the battery before field testing even starts. Sleep-mode tuning and interrupt-driven sensor reads need to be baked into the architecture from day one, not patched in later. Quick questions - what's your target standby current, and are you planning BLE, Wi-Fi, or cellular for cloud connectivity? Here is the architectural approach: - MICROCONTROLLER SELECTION: I'll recommend the MCU based on your sensor count, power envelope, and connectivity stack—STM32L4 for ultra-low-power or ESP32 if you need integrated Wi-Fi with dual-core processing. - FIRMWARE DEVELOPMENT: I'll write interrupt-driven C/C++ firmware with FreeRTOS task scheduling, implement peripheral drivers (I²C, SPI, UART), and structure the codebase so you can extend it without breaking existing sensor pipelines. - HARDWARE DESIGN & VALIDATION: I'll deliver production-ready schematics in KiCad or Altium, generate Gerbers with DFM checks, and write Python scripts that log sensor data over serial to validate timing, accuracy, and power draw before the first production run. I've taken 4 IoT products from breadboard to CE certification, including a medical wearable that hit 9-month battery life on a CR2032. Let's schedule a 20-minute call to lock down your connectivity choice and power targets before I spec the hardware.
₹22,500 INR in 7 days
5.4
5.4

As an experienced electrical engineer with a specialization in industrial automation, I have worked on a wide range of projects that align perfectly with your needs. I have extensive experience in designing and implementing firmware on various platforms and performing hardware design and sensor integration, all of which will be crucial in ensuring a smooth transition from the ideation phase to a working IoT prototype for your project. I can bring my proven expertise with diverse programming languages such as C, C++, Python, and more to deliver well-documented, reliable firmware for your IoT device. With me on board, you can expect not only complete schematics, BOMs, and ready-for-fab Gerber files but also comprehensive reports summarizing test results and power metrics, empowering you to make more informed decisions moving forward. Moreover, my background in drawing up Electricity Projects using the E plan P8 V2.6 program and my experience with control systems like Honeywell DCS C200 demonstrate my ability to operate at both the macro and the micro levels of a project's stack - exactly what your project needs. Opting for my services not only means gaining a tech-savvy professional but also an enthusiastic collaborator committed to executing your vision with utmost perfection. Let’s turn your IoT idea into reality!
₹25,000 INR in 7 days
5.1
5.1

I am an Embedded Systems Engineer with hands-on experience in ESP32, STM32, Arduino, IoT solutions, PCB design, and industrial automation. I specialize in developing complete hardware and firmware solutions from concept to production. My experience includes sensor integration, wireless communication, data logging systems, Ethernet and Wi-Fi connectivity, MQTT communication, cloud integration, and custom PCB development. My expertise includes: • ESP32 Firmware Development • STM32 Firmware Development • Arduino Projects • PCB Design using Altium Designer • IoT Solutions (Wi-Fi, BLE, Ethernet, MQTT) • AWS IoT Integration • Sensor Integration and Calibration • Data Logging Systems • Industrial Automation Projects • Embedded Linux Development • Serial Communication (UART, RS485, Modbus) • I2C, SPI, CAN Bus Development • Product Prototyping and Testing Recent project experience includes: • ESP32 Ethernet-based monitoring systems • BLE sensor networks with multiple wireless nodes • Engine dynamometer data acquisition systems • Industrial pressure, temperature, RPM, and level monitoring systems • MQTT-based cloud monitoring solutions • Custom PCB design and manufacturing support I focus on delivering reliable, well-documented, and production-ready solutions while maintaining clear communication throughout the project. Let's discuss your project requirements and build an efficient solution together.
₹35,000 INR in 10 days
4.9
4.9

Hello my name is Collins and I am a robotics and automation engineer with end-to-end expertise in embedded systems, from schematic capture and PCB layout to low-level firmware development. I am highly interested in helping you bring your IoT prototype to life. My technical background bridges the gap between hardware and software: Hardware Design: I am proficient in KiCad and Altium, with a focus on power-efficient board design, sensor integration, and EMI mitigation. I ensure designs are production-ready for JLCPCB/PCBWay. Firmware & Connectivity: I specialize in writing robust C/C++ for MCUs, ensuring tight code that manages low-power states effectively. I am experienced in creating drivers and implementing cloud-connected communication stacks. Validation: I utilize Python to build comprehensive test harnesses, automating sensor performance verification and data integrity checks. Relevant Experience: I recently developed a sensor-integrated embedded system where I managed the entire pipeline—designing the PCB, tuning the firmware for battery optimization, and deploying Python scripts to validate continuous data streaming. My modular approach ensures that your device will be scalable, reliable, and well-documented. I am eager to apply this hands-on experience to your IoT project. Let’s discuss your technical requirements and get started on your prototype.
₹35,000 INR in 7 days
5.3
5.3

Hi, I can accurately transfer your PDF data into Excel or Google Sheets with clean formatting, consistent spelling, and careful quality checking. The best solution is to first review the first PDF batch, confirm the required columns, formatting style, and deadline. Then I’ll enter each data point carefully and double-check for missing values, spelling mistakes, misplaced entries, extra spaces, and formatting issues before delivery. I’m comfortable with PDF data entry, Excel, Google Sheets, copy typing, data cleaning, batch-wise delivery, proofreading, confidentiality, and preparing sheets that are easy to filter, sort, and review. Deliverables will include: * Accurate PDF data transfer * Excel or Google Sheets output * Clean formatting * Batch-wise completion * Missing-data check * Spelling and spacing review * Final quality check * Confidential file handling I have handled similar PDF-to-spreadsheet projects before and can complete the first batch within 24 hours after reviewing the file size. I’ll focus on accuracy, neat formatting, and on-time delivery so every batch is ready for immediate use. Best regards Ankit
₹12,500 INR in 2 days
4.1
4.1

Hi, Your project is exactly the kind of end-to-end embedded development I enjoy. Taking an IoT device from concept to a working prototype requires careful hardware decisions, reliable firmware, and thorough validation, areas where I have 11+ years of experience. I can handle the complete pipeline: hardware architecture, component selection, schematic & PCB design, sensor integration, embedded C/C++ firmware, board bring-up, Python test scripts, power optimization, and production-ready documentation (BOM, Gerbers, build instructions, and test reports). I've developed embedded systems for automotive and industrial applications using STM32, ESP32, NXP, Renesas, and Nordic MCUs, and I'm currently building embedded products at SamsIO Innovations. A few questions: • Which MCU or wireless technology are you considering? • Which sensors need to be integrated? • Is the device battery-powered with specific power targets? I'd be happy to discuss the architecture and help turn your idea into a reliable prototype. Regards, Salman Ali
₹90,000 INR in 60 days
3.2
3.2

As an experienced programmer with a decade in the industry, I skillfully combine my proficiency in Firmware Development, Hardware Design, and Sensor Integration to offer end-to-end solutions for your IoT project. I can handle everything from designing the hardware to developing firmware that ensures optimal sensor performance and reliable cloud connectivity. And when it comes to sensor-driven IoT devices like yours, where tight C/C++ code is at play, my expertise makes me the perfect fit. To add more value, I’m also proficient in Python which allows me to create comprehensive test scripts for confirming sensor performance and connectivity, optimizing validation processes that ultimately minimize future issues. My extensive experience further empowers me to deliver projects promptly and top-notch performance thanks to my solid understanding of component choice, schematic capture, and PCB layout. In terms of deliverables, I understand that you need complete schematics ready for fabrication (ensured by Gerber files), diligently documented firmware with clear build instructions, thoroughly tested sensor performance reports, power metrics summary as well as recommendations for the way forward - rest assured, you'd get them all! So let's turn your groundbreaking IoT idea into a working prototype together. You have the idea, and I have the power to turn ideas into reality!
₹25,000 INR in 7 days
2.0
2.0

I have good experience in firmware development, hardware design, sensor integration. I can do this job easily. Drawing upon my 25 years of experience, I am more than capable of executing every phase of this project. My strength lies in bridging both firmware development and hardware design, which is a valuable asset for this task. I've been extensively involved in complex hardware designs, PCB designs, and know to maximize power consumption and Choosing the right components for efficiency. I have thorough knowledge and hands-on experience of using C/C++ for firmware development or processor coding that would undeniably prove its worth in developing MCU customized firmware. My proficiency utilizing Python applications for validation testing and quick algorithms will also come in handy for writing scripts to confirm your devices performance. In terms of sensor integration, on numerous occasions I've proven my expertise by successfully integrating sensors whilst ensuring their reliable connectivity to the cloud; a skill that is highly critical when developing IoT devices. In conclusion, My passion and deep understanding of complete embedded system enables me to recognize every aspect Of your project that needs to be Implemented and even those aspects That are yet to be defined. I assure you, if given the opportunity I'd pour all my skills and experience into bringing your device from an idea to a robust working prototype. Together we can revolutionize the world of IoT!
₹37,500 INR in 7 days
0.0
0.0

Hello, I am an Embedded Systems and Hardware Design Engineer with experience developing complete IoT products, from hardware architecture and PCB design to firmware development, board bring-up, and system validation. Your requirement of owning the entire embedded pipeline aligns closely with my expertise. I have hands-on experience with embedded systems, IoT devices, sensor interfacing, wireless communication modules, and PCB development workflows. Most of my previous work has been performed for industrial clients and is covered under confidentiality agreements, so I am unable to share the actual project files. However, I would be happy to discuss my technical experience, development methodology, and approach for your specific application. I would also appreciate discussing the project scope, timeline, and budget in detail to ensure that expectations and deliverables are aligned from the beginning. I look forward to collaborating with you and helping transform your idea into a reliable working prototype. Best regards, Mahesh Dumpa.
₹12,500 INR in 2 days
0.0
0.0

Hi, I can help with your IoT project from hardware to firmware. I have experience with embedded C/C++, sensor interfacing, PCB design, and MCU programming. I also use Python for testing and validation. I can provide: * Firmware in C/C++ with clear code * Schematics, BOM, and Gerber files * Sensor drivers and cloud communication * Python test scripts * Test report with power measurements and recommendations I always keep my code clean and documented. I would like to discuss your hardware, MCU, and sensors so I can start the project. Thank you.
₹12,500 INR in 7 days
0.0
0.0

Dear Client, Your IoT prototype project closely aligns with my experience in embedded systems, hardware design, and end-to-end product development. I have over 15 years of experience designing embedded hardware and firmware using ESP32, STM32, and related platforms. My expertise includes Embedded C/C++, PCB design, sensor integration, power optimization, wireless communication, IoT architecture, prototype bring-up, and Python-based testing. **My approach would be:** * Finalize system architecture and select the most suitable MCU, sensors, and communication modules. * Design the schematic, PCB, and power architecture optimized for reliability and low power. * Develop modular firmware with sensor drivers, communication stack (Wi-Fi/BLE/MQTT), and OTA support. * Create Python scripts to validate sensor accuracy, connectivity, and system performance. * Perform hardware bring-up, optimize power consumption, and document the complete prototype for future production. You can also review my **IoT-based Naadi Analysis System**, **ESP32-based Body Composition**, and **AIS-140 GPS Tracker** projects in my profile, which demonstrate my experience in embedded hardware, firmware, IoT communication, and complete product development. I look forward to discussing your project. **Best regards,** **Subhash Suman** Embedded Systems | IoT | Hardware & Firmware Development | 15+ Years Experience
₹22,000 INR in 7 days
0.0
0.0

you want a single owner for the full embedded pipeline: board-level decisions, tight C/C++ firmware, and a Python test harness that confirms sensor reads cleanly to the cloud. I shipped a similar IoT prototype in my own pipeline — an MCU-based sensor board with bring-up, drivers for three sensor buses, and a Python validation script that produced the same kind of power + connectivity report you're asking for. Quick clarifying question before I lock the spec: which MCU family are you targeting (ESP32, STM32, nRF52, or open to my recommendation)? That decision drives the schematic, the low-power strategy, and the sensor-to-cloud transport. My approach: 1. Component selection and schematic capture in KiCad, BOM from a single source of truth, and a parts-availability check before fab. 2. PCB layout (2-layer, or 4-layer if the analog front-end needs it) with a ground pour strategy that keeps noise out of the sensor path. 3. Firmware in C/C++ with a clean HAL: drivers per sensor, an RTOS or superloop depending on your latency needs, and OTA-ready build flags. 4. Python test harness that drives each sensor over a known reference, logs results to CSV, and produces a pass/fail + power-metrics report. 5. Bring-up of the first boards: power-rail verification, current draw at idle and under load, sensor-to-cloud end-to-end smoke test, and a short final report summarising test results, power metrics, and the next-step recommendations you asked for.
₹25,000 INR in 7 days
0.0
0.0

*Hello,* I’m a *Professional Typewriter & Computer Technician* with hands-on experience in both classic and modern office equipment. _Bridging the classic and the digital. I repair, restore, and maintain typewriters while also handling PC/laptop troubleshooting, upgrades, and technical support to keep your work flowing smoothly._ *Services I Offer:* *Typewriter Services* - Manual & Electric Typewriter repair, cleaning, and alignment - Ribbon/Cartridge replacement and sourcing hard-to-find parts - Full restoration for vintage and office typewriters - Preventive maintenance to extend machine life *Computer Services* - Hardware diagnostics, repair, and upgrades - OS installation, software setup, and driver updates - Virus/malware removal and data backup/recovery - Networking, printer setup, and general IT support *Why Work With Me:* - *Precision & Care*: I treat every machine like it’s my own - *Fast Turnaround*: Quick diagnostics + reliable fixes - *Dual Expertise*: Rare combo of typewriter craftsmanship + modern IT skills - *Customer Focused*: Clear communication and affordable rates
₹25,000 INR in 10 days
0.0
0.0

Hello, I can help take your IoT device from idea to working prototype, covering hardware design, embedded firmware, sensor integration, board bring-up, testing, and documentation. I work comfortably across both board-level decisions and low-level C/C++ firmware development. For firmware, I can develop clean and well-documented C/C++ code for the selected MCU, including sensor drivers, UART/SPI/I2C communication, Wi-Fi/BLE connectivity, MQTT/REST cloud communication, watchdog handling, power optimisation, and reliable recovery after reset or power cycle. For Python testing, I can create validation scripts to check sensor readings, communication stability, cloud data flow, and basic performance metrics. I can also provide a short test report covering results, power consumption, issues found, and recommendations for the next revision. I have previous experience with ESP32/STM32 IoT builds involving sensor data logging, GPS/RFID integration, SD card storage, Wi-Fi/BLE, server upload, debugging real hardware, and long-duration reliability testing. My goal will be to deliver a stable, testable prototype that is easy to maintain and ready for the next hardware or production stage.
₹40,000 INR in 20 days
0.0
0.0

I'm a specialist in embedded electronics with 13+ patents and proven IoT experience—exactly what you need for end-to-end stack ownership. I've shipped production systems combining firmware, hardware, and sensor integration. Recent example: SailSensor, a wireless telemetry platform with multi-sensor acquisition, BLE + NMEA2000 gateway bridging, and cloud connectivity—from schematic through field deployment. Your scope aligns perfectly with my workflow: • Firmware: Nordic nRF / ESP32 / STM32 in C/C++, low-power tuning, sensor drivers (IMU, ToF, pressure). • Hardware: schematic design, power integrity, EMI—ready schematics and production Gerber. • Validation: Python test harnesses, connectivity verification, power profiling. I deliver documented, buildable code plus a technical summary with metrics and next-phase guidance—no surprises. Let's clarify: What MCU family are you leaning toward, and which sensors are in scope? Which MCU family or wireless protocol (BLE, LoRa, WiFi, NB-IoT) are you targeting? How many sensors and what types (IMU, environmental, custom)?
₹25,000 INR in 21 days
0.0
0.0

I can help you take your new IoT device from idea to working prototype, covering firmware, hardware design, sensor integration, and board bring-up. I can work across C/C++ MCU firmware, Python test scripts, schematic design, PCB layout support, and low-power tuning. My experience includes IoT prototypes, microcontroller boards, sensor drivers, connectivity testing, and documentation. From your project description, I understand: * You need hardware design with schematics, BOM, Gerber files, and component selection. * You need documented C/C++ firmware with build instructions for the selected MCU. * You need Python test scripts, sensor validation, connectivity checks, power metrics, and a test report. For your project, I will: 1. Define the hardware architecture, select the MCU, sensors, power parts, and connectors, then prepare schematic, BOM, and PCB-ready outputs. 2. Develop firmware drivers, sensor reading logic, connectivity handling, power modes, and clean build instructions. 3. Bring up the board, run Python tests, verify sensor data and cloud communication, measure power use, and document results. I have worked on embedded and IoT projects where reliable sensor reporting, board bring-up, low power use, and maintainable firmware were important. I will keep the design practical for prototype testing and future product revisions. I would be glad to discuss the device concept and help build the first working prototype.
₹25,000 INR in 7 days
0.0
0.0

Hey i am a final year ECE student and have worked with arduino uno and ESP32 microcontroller and c++ is my go to language. I wanna know more about the project and as it is a iot project what software tech stack are you using.
₹30,000 INR in 15 days
0.0
0.0

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