
Closed
Posted
Paid on delivery
Hi I will share the details with the shortlisted candidates. Thanks
Project ID: 40675330
47 proposals
Remote project
Active 18 hours ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
47 freelancers are bidding on average $467 USD for this job

Hi, I have experience in designing Circuits and can complete your project. I have expertise in the following: 1- Designing schematic and PCBA 2- Ordering the PCBA and getting boards manufactured. 3- Writing firmware for the PCBA to make sure everything works as expected. 4- I can also develop smartphone apps to communicate and control the hardware. If you wish we can discuss in chat. Thank you.
$300 USD in 7 days
7.4
7.4

Hi, I am an Embedded Systems & Hardware Engineer with solid experience in full-cycle product development—from schematic/PCB design to robust C/C++ firmware and wireless sensor integration. Core areas I cover: Microcontrollers & Architecture: STM32, ESP32 series, AVR, Microchip/NXP. Firmware Development: Bare-metal / RTOS (FreeRTOS), low-power optimization, interrupt-driven peripherals (SPI, I2C, UART, CAN, ADC/DAC). Wireless & IoT: LoRa / LoRaWAN, BLE, Wi-Fi, and custom RF telemetry. Hardware/PCB: Multi-layer PCB design (Altium/KiCad), EMI/EMC best practices, sensor signal conditioning, and DFM/DFA outputs. I am ready to review your project scope, schematics, or technical specs as soon as you share them and provide a detailed architectural plan and timeline. Looking forward to connecting with you. Best regards,
$350 USD in 7 days
5.3
5.3

Your listing points to an embedded prototype involving firmware, sensors, and LoRa, with the actual requirements still to be shared. My relevant work includes a Raspberry Pi 5/Hailo-8 crowd-detection system that processes live camera streams and sends detection telemetry to PostgreSQL. That experience covers edge deployment and hardware/software integration, though I would not present it as proof of PCB design or LoRa firmware expertise. I’d first review your target board, sensor interfaces, existing code, and expected device behaviour to confirm where I can contribute. From there, we can define a bounded implementation and test plan, with clear source-code and setup documentation. Is this an existing prototype that needs debugging, or a new device requiring both firmware and PCB development?
$350 USD in 7 days
4.6
4.6

Being an expert in embedded systems with years of hands-on experience, I am confident that I am the ideal candidate for your project. My extensive background in Industrial Automation, specifically with SIEMENS TIA Portal, Simatic Manager, WinCC SCADA and PH & INFORMATION SERVER programs puts me in the position to successfully execute your project needs. I have previously designed, developed and implemented systems for Wastewater Treatment Plants and Water Treatment Plants, which not only aligns perfectly with your requirements but also showcases my problem-solving and project management abilities. Additionally, my familiarity with DELTA PLC, ABB PLC and Honeywell DCS C200 adds a diverse range to my skill-set that can benefit your project. I am well-versed in drawing Electricity Projects using the E plan P8 V2.6 program and setting up field instruments per specific requirements. My proficiency in using ABB & SIEMENS drivers, along with my experience in Machine Automation employing AB PLC -RS Logix 5000 and Factory talk are also valuable assets for this project. In conclusion, by selecting me you will gain a devoted professional determined to assure thoroughness, efficiency and excellence throughout the completion of your embedded system project. Let's work together on achieving the best results possible for your devêived shortlisted projects!
$500 USD in 7 days
4.7
4.7

Hello! I’m a seasoned embedded systems engineer with over 10 years of experience designing, debugging, and deploying microcontroller‑based solutions. I’ve worked on everything from low‑power IoT devices to real‑time control systems, and I’m confident I can quickly understand your requirements and deliver a robust solution. Please share the full project details and any specific milestones you have in mind, and I’ll outline a tailored approach that ensures quality, reliability, and on‑time delivery. Looking forward to collaborating with you.
$750 USD in 7 days
4.0
4.0

As an RF & Electronics Engineer with a specialization in high-frequency systems and advanced electronics design, I am confident that my skills align perfectly with the project description's need for an Embedded System expert. Having worked on projects ranging from conceptualization to hardware implementation, I have in-depth experience in embedded system development which includes programming of Arduino, ESP and C/C++ languages. I am well-versed with PCB design tools like KiCad, Proteus, and Altium Designer. My expertise goes beyond just electronics by extending to applying MATLAB-based signal processing - which would be valuable in your project. With a strong educational background and industry experience, including Master’s & PhD research support in RF, microwave & antenna engineering, I am uniquely equipped to tackle the complexities that might arise during the development of your embedded system project. Moreover, I don't just stop at the completion of a project; instead, even after the delivery, I provide technical consulting and support to ensure proper functioning and integration of the developed system into your existing framework. So let's join forces and create a top-notch embedded system solution tailored specifically to your needs!
$250 USD in 7 days
2.5
2.5

Hi, I’m an experienced **Embedded C/C++ developer with 15+ years of experience** in microcontrollers, firmware development, hardware interfacing, debugging and embedded systems. I have worked with **STM32, ESP32, Arduino/AVR and other MCU platforms**, including peripheral drivers, UART, SPI, I²C, CAN, timers, PWM, interrupts, ADC, sensor interfaces and communication protocols. I can work with an existing codebase, troubleshoot issues, optimize timing/performance, implement new functionality and provide clean, well-commented and maintainable firmware. I’m comfortable working from detailed requirements or joining after the project details are shared with shortlisted candidates. I can also assist with hardware/firmware integration and debugging when required. I’d be happy to review the details and discuss the required approach, timeline and deliverables. **Best regards,** **Subhash Suman** Embedded C/C++ | STM32 | ESP32 | Firmware | Hardware Integration | 15+ Years Experience
$500 USD in 7 days
2.3
2.3

HI sir I can do it , I am aeronautical engineer , and I have done many such projects, reach out to me
$300 USD in 7 days
1.3
1.3

Hi visit profile , I’m an Electronics Engineer with strong hands-on experience in embedded systems, C/C++ programming, Arduino, ESP32, Raspberry Pi, microcontrollers, sensors, and hardware-software integration. I have practical experience developing and troubleshooting embedded projects, interfacing sensors and modules, writing firmware, and connecting hardware with software. I can understand your requirements quickly and deliver a reliable, well-tested solution. Please share the project details with me—I’d be happy to discuss the requirements and start immediately.
$500 USD in 7 days
0.8
0.8

With over six years of proven experience, a robust portfolio, and a track record of satisfied clients, my embedded systems expertise will not only meet but exceed your expectations for this project. The proficiencies. My core competencies run deep in areas such as embedded hardware design which includes hardware architecture and circuit design; firmware-embedded systems using C/C++, hardware/software integration and low-power firmware; microcontrollers like STM32, ESP32/ESP8266, RP2040/RP2350 to mention but a few. I am adept in using Altium Designer, KiCad, Eagle, EasyEDA for PCB designing and layout which is skillful and imperative to guarantee that all electrical parts are designed optimally. What sets me apart is my unsurmountable passion for my work and commitment to client satisfaction. My approach is founded on having clarity regarding the customer requirements at the onset to deliver both within framework without unwarranted surprises mid-project. By inviting me for an interview or initiating a chat today you are making way for an embedded-systems expert on board who values your project timeline as well as scope requirements most! Still have doubts? Let me find examples closely related to your project for you to evaluate my capabilities better with respect to your project requirements. Don't wait; let's start a chat now!
$250 USD in 1 day
0.6
0.6

Hello, I’m interested in your embedded systems project. I have experience developing embedded hardware and firmware using STM32, ESP32 and other microcontrollers, including schematic design, PCB development, sensor interfaces, communication protocols, power management and real-time control. I can take the project from requirements and system architecture through hardware design, firmware development, testing and debugging. I focus on reliable, well-structured and production-ready solutions rather than simply making a prototype work. I’m comfortable working with C/C++, UART, SPI, I2C, RS485, CAN, Wi-Fi/Bluetooth and hardware debugging. I’m available to start immediately and would be glad to discuss your requirements.
$300 USD in 7 days
0.6
0.6

Hi there, I'm interested in your embedded systems project and see you're looking for someone skilled in C programming, microcontrollers, PCB design, LoRa, prototyping, firmware, and sensor integration. I can cover the full process from firmware development to hardware design and prototyping, including PCB layout and integrating LoRa and sensor modules as needed. If you have specific requirements for hardware platforms, communication protocols, or environmental constraints, I'll make sure these are prioritized and clearly documented before any implementation starts. Since details will be shared with shortlisted candidates, I'll be ready to review your technical requirements in depth and propose a clear plan with phased deliverables once I have them. One thing I'll watch for is harmonizing firmware and PCB iterations early to avoid costly hardware revisions later - a common pitfall in hardware-software projects. I'm committed to building my reputation by delivering reliable work on fair terms. I'm available to start as soon as you share the project details and am happy to sign an NDA if required. Best regards, Nataliya H.
$365 USD in 1 day
0.4
0.4

Hello, I’m Adam, a Senior Software Developer with experience in C/C++, embedded systems, microcontrollers, firmware, LoRa, sensor integration, and hardware prototyping. I’m interested in your project and can support the firmware, PCB integration, testing, and technical documentation. Please share the complete requirements if I’m shortlisted, and I will provide a clear approach, timeline, and cost. Best regards, Adam
$500 USD in 7 days
0.0
0.0

Hello, I am an experienced embedded system developer. Kindly share the project details. Looking forward to working with you. Best Regards. Malindu
$250 USD in 7 days
0.0
0.0

I see you're looking for an embedded systems expert, which suggests you're likely focused on achieving seamless integration and performance for your project. This is exactly the type of challenge we regularly help businesses solve. Your intention to share details with shortlisted candidates indicates that specificity and clarity are crucial for your project's success. Understanding the exact requirements and context will ensure that the solutions provided are not only effective but also aligned with your overall objectives. Our approach centers on deeply understanding your goals and asking the right questions to uncover the nuances of your project. We believe the best solutions come from first understanding what the client is trying to achieve, then building around those goals. I'd be happy to discuss this further and share some insights or recommendations that could help clarify your direction, regardless of whether we work together. Looking forward to the opportunity to connect. Regards, Stephen
$400 USD in 7 days
0.0
0.0

<==⭐⭐⭐= Happy Day =⭐⭐⭐==> Hi, I can take ownership of the embedded development from hardware/firmware architecture through prototyping and testing. I’m comfortable working with C-based microcontroller firmware, sensor integration, LoRa communications, PCB considerations, peripheral interfaces and reliable low-level device control. I can work from your detailed requirements once shared, then define the MCU and communication architecture, implement the firmware, integrate the sensors and LoRa layer, and validate the prototype systematically. I’ll also keep the firmware modular and documented so future hardware revisions or additional sensors can be integrated without rewriting the system. Once you share the technical details, I can review the requirements and provide a clear implementation plan, timeline and milestones. Let’s talk soon. Brody.
$500 USD in 7 days
0.0
0.0

Hello, I’m a software developer with experience in C programming and software development, and I’m interested in contributing to your embedded systems project. I’m comfortable working with C, understanding technical requirements, debugging code and developing structured, maintainable solutions. I’m particularly interested in this project because it combines low-level programming and technical problem-solving. I’m able to carefully analyze the requirements, understand the existing system and work methodically toward a reliable solution. I’m available to discuss the technical requirements and can start quickly. I would also be happy to complete a small technical assessment if needed. Best regards, Elvis Sebgo
$250 USD in 7 days
0.0
0.0

Hi, This matches my core specialization: 6+ years working with C/C++, Linux and embedded systems, including STM32, ESP32, RTOS, multithreading, CAN, memory and crash debugging, CI/CD, and hardware/software fault analysis. I can review the technical details immediately and provide a clear implementation plan, risks, milestones and realistic delivery estimate. I lead the architecture and complex debugging, while a second developer can work in parallel on reproduction, automated tests and documentation. Before confirming the final milestone, I would need the target MCU or board, current codebase, hardware-access requirements, observed issue and acceptance criteria. I am available to start today.
$450 USD in 7 days
0.0
0.0

I understand you're seeking an embedded systems expert to tackle a project requiring robust, efficient, and reliable solutions, similar to the challenges I've successfully navigated in optimizing real-time data acquisition for IoT devices, achieving a 20% reduction in processing overhead. My experience aligns perfectly with the implicit need for a skilled hand to drive your project forward from its initial stages. My approach will involve a meticulous code review of existing architecture, followed by targeted refactoring using C/C++ with a focus on memory management and interrupt handling optimization. I'll leverage static analysis tools like Cppcheck and memory profilers such as Valgrind to identify bottlenecks and potential issues. Unit testing with CppUTest will ensure code integrity and modularity, with a clear roadmap for integration and validation on your target hardware. What is the primary hardware platform for this project? Are there any existing architectural diagrams or documentation I can review to better understand the current state? I'm eager to discuss how my expertise can directly contribute to your project's success.
$588 USD in 21 days
0.0
0.0

Hi there, I am a senior embedded systems expert with strong skills in C programming, firmware development, sensor integration, and LoRa connectivity. My Upwork profile has earned over $300,000 on Upwork with account Paul.P. I would love to hear your project details and provide a tailored solution. Best regards, Paul.
$1,000 USD in 30 days
0.0
0.0

Faisalabad Sadar, Pakistan
Payment method verified
Member since Jul 9, 2011
$30-250 NZD
$20-30 NZD / hour
$20-30 NZD / hour
$30-60 NZD / hour
$250-750 NZD
$30-250 USD
$30-250 USD
₹12500-37500 INR
$30-250 USD
$15-25 CAD / hour
$250-750 AUD
₹1500-12500 INR
₹400-750 INR / hour
$250-750 USD
₹12500-37500 INR
₹750-1250 INR / hour
$250-750 USD
$250-750 USD
₹1500-12500 INR
£10-15 GBP / hour
$250-750 USD
₹400-750 INR / hour
$250-750 USD
$250-750 CAD
₹12500-37500 INR