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  • $50 hourly
    • 5.0/5
    • (6 jobs)
    Versatile software engineer with expertise in embedded systems, wireless networks, and full-stack web development. My educational background in Electronics and Computer Engineering from leading Turkish universities provides a solid foundation for tackling diverse technological challenges. Key areas of expertise: - Embedded systems: Real-time operating systems, wireless sensor networks - Full-stack web development: Front-end (HTML5, CSS3, JavaScript, React, Angular, Flutter) and back-end (Python with Flask/Django, Node.js with Express) - Programming languages: C, C++, Python, TypeScript, JavaScript - Cloud platforms: AWS, Google Cloud Platform - DevOps: Docker, CI/CD pipelines - Database management and API design Notable projects: - Reduced integration time for diagnostic equipment firmware at Roche - Improved data collection accuracy for industrial machine health monitoring systems at WiserSense - Developed a boat security monitoring system integrating custom sensor networks at Vanemar - Automated testing procedures for an embedded radar system, significantly reducing testing time - Created responsive websites for large-scale companies using modern frameworks like React and Angular - Built a full-stack requirement and report management system with real-time communication using Python and Socket.IO - Implemented e-commerce solutions and payment gateways in WordPress With experience spanning both corporate and freelance environments, I bring adaptability and a commitment to continuous learning in the ever-evolving field of technology. My blend of embedded systems knowledge and web development skills allows me to bridge the gap between hardware and software, tackling complex challenges across the full technology stack.
    Featured Skill PCB Design
    Arduino
    Embedded C
    Python
    C#
    Embedded Linux
    Web Service
    Web Development
    Desktop Application
    Embedded System
    Web Design
  • $35 hourly
    • 5.0/5
    • (12 jobs)
    I am a Hardware Design Engineer with 9 years experience. I have experience working with Xilinx FPGAs, MPSoC, GPU, CPU and MCU in board design. *I understand the signal integrity issues related to high-speed interfaces such as 10GBase-KR, USB 3.0, PCIe Gen3, Ethernet, HDMI, SFP+ and etc. I am also familiar with board level power conditioning and EMI/EMC constraints. *I use Altium Designer professionally in my business life. *Communication and being clear in bussines life is important for me, I am happy to solve your electronics issues, lets solve problems :)
    Featured Skill PCB Design
    TCP/IP
    Serial Port Interfacing
    RAM
    FPGA
    Xilinx
    STM32
    ESP32
    ESP8266
    Multilayer PCB
    Hardware Design
    Altium Designer
    Digital Electronics
    C
    Hardware Troubleshooting
  • $35 hourly
    • 5.0/5
    • (4 jobs)
    Hi, I’m Bahtiyar. I'm an Electronics Engineer with over 7 years of experience designing and building strong, efficient, and secure embedded systems, taking ideas from start to finish. If you need reliable firmware that runs well, carefully designed hardware ready for making, or a complete system put together, I have the skills and experience to do great work for your project. What I Can Do For You: 🔹Embedded Firmware: I write solid C/C++ code for microcontrollers (STM32, PIC series, ESP32/8266, RP2040, Atmel) to make sure your systems run smoothly and reliably. This includes setting up communication (UART, I2C, SPI, CAN, RS485) and making different parts talk to each other. 🔹Hardware & PCB Design: I design quality circuit boards using tools like KiCAD, Altium Designer, Eagle, Proteus, and EasyEDA. I focus on making sure they work well, are easy to manufacture, and fit your budget. 🔹System Testing: I use tools like LTspice, Logisim Evolution, and Proteus to thoroughly test designs before you spend money on production. This helps catch problems early and speeds things up. 🔹Putting It All Together (Integration & Prototyping): I have experience connecting various parts – sensors (MPU6050, BNO055, HX711+), motors (BLDC, Stepper), wireless tech (WiFi, Bluetooth, NRF24L01), displays (LCD, Nextion, Nokia 5110, 7-Segment), and core functions (DMA, ADC/DAC, PWM, EEPROM). I can also quickly build prototypes to test out your ideas. 🔹User Interfaces: I can create easy-to-use interfaces with Nextion displays and .NET Framework so people can interact with your device simply. Why Work With Me? 🔹Careful Work: I pay close attention to detail in both software and hardware to make sure things are high-quality and work correctly. 🔹On Time: I have a strong record of finishing projects by their deadlines. You can rely on me to keep your project moving forward. 🔹Good Communication: I like to work closely with my clients. I'll keep you updated and make sure we're always on the same page, matching your vision. 🔹Problem Solver: I enjoy figuring out technical challenges and finding practical solutions that work best for what you need. Ready to talk about your embedded systems project? Send me a message here on Upwork. I’d like to hear about your ideas and see how I can help your project succeed. Let's build something great!
    Featured Skill PCB Design
    Firmware
    Embedded System
    Bluetooth
    Microcontroller Programming
    C++
    PIC Programming
    Embedded C
    Bluetooth LE
    KiCad
    Atmel AVR
    Arduino
    ESP32
    STM32
    C
  • $70 hourly
    • 5.0/5
    • (8 jobs)
    Hello! I’m Abdullah Ronin Yildirim, an Embedded Systems Engineer and PCB Designer with over 7 years of experience in hardware and software development. I specialize in designing high-performance embedded systems, IoT devices, PCB layouts, and industrial automation solutions. I have worked on 100+ IoT and robotics projects and have extensive expertise in ESP32, Raspberry Pi, Arduino, GNSS, Modbus, CAN bus, ADCs, and LoRa. Whether you need a custom PCB design, firmware development, industrial sensor integration, or an optimized embedded system, I can deliver manufacturing-ready solutions tailored to your needs. If you're looking for a reliable, skilled, and experienced engineer to help bring your ideas to life, let's connect! 📌 What I Offer: ✅ 🛠️ PCB Design & Hardware Development Professional PCB design using Altium, Eagle, EasyEDA Production-ready circuits for IoT and industrial applications Low-power embedded systems for energy-efficient devices ✅ 🖥️ Embedded Systems Programming Expertise in ESP32, STM32, Raspberry Pi, and Arduino development Firmware development using C, C++, MicroPython, and FreeRTOS Low-level driver development and real-time embedded programming ✅ 📡 IoT Solutions & Wireless Communication LoRa, Zigbee, WiFi, BLE, 4G/LTE module integration MQTT, WebSocket, HTTP, FTP, Modbus TCP/IP communication Ultra-low-power IoT devices optimized for battery efficiency ✅ 📟 Sensor Integration & Data Acquisition GNSS (Trimble BX992, u-blox), ADC, RTC, industrial sensors Real-time data collection and cloud integration solutions ✅ ⚡ Power Management & Motor Control High-current DC power management solutions (TDK PSU) MOSFET-based motor drivers for industrial applications Optimized power circuits for IoT and automation projects ✅ 🔍 Debugging & Testing Services Troubleshooting Modbus RS485/RS232 communication issues EMI/EMC testing & FCC certification support Firmware debugging & optimization for improved system performance 🎯 Why Work With Me? 🔹 End-to-End Solutions: I handle the entire process from concept to production-ready hardware and firmware. 🔹 Industrial Experience: I have worked on IoT, energy, telecommunications, and automation projects. 🔹 Optimized & Reliable Code: I ensure low-power consumption, efficient memory usage, and fast execution. 🔹 Quick & Effective Support: I provide fast responses and technical assistance throughout the project lifecycle. 🛠️ Technologies & Tools I Use: 💡 PCB Design: Altium Designer, Eagle, EasyEDA 💡 Embedded Systems: ESP32, STM32, Raspberry Pi, Arduino, FreeRTOS 💡 Wireless Communication: LoRa, BLE, WiFi, Zigbee 💡 IoT & Cloud Integration: AWS IoT, Google Firebase, WebSocket, MQTT 💡 Programming Languages: C, C++, MicroPython, JavaScript (IoT) 💡 Sensor & Data Acquisition: GNSS, ADC, INA series, RTC, industrial measurement systems 💡 Industrial Communication: Modbus RS485, CAN Bus, SCPI, RS232 💡 Past Projects I’ve Worked On: 📌 ESP32-Based IoT Energy Monitoring System – Low-power consumption, real-time data analysis (MQTT + WebSocket) 📌 GNSS-Based Asset Tracking Device – High-precision positioning using Trimble BX992 and u-blox GNSS modules 📌 High-Current DC Motor Control – 1000A power system testing and automation using TDK PSU 📌 Embedded System Debugging & Optimization – Improved firmware efficiency and reduced power consumption 📩 Let’s Work Together! If you need an experienced engineer for hardware development, embedded software, PCB design, or IoT solutions, I’d love to help. 💬 Send me a message, and let’s discuss your project! 🚀
    Featured Skill PCB Design
    AVR Microcontroller
    Eagle
    ARM Microcontroller
    ESP8266
    Embedded Application
    Sensor
    Embedded C
    Circuit Design
    Raspberry Pi
    Embedded System
    STM32
    Altium Designer
    Arduino
    ESP32
  • $45 hourly
    • 4.6/5
    • (13 jobs)
    Hi, I’m a professional Electronics & Embedded Systems Engineer with 14+ years of experience helping clients turn product ideas into fully functional, production-ready devices — from concept to cloud. ✅ My Core Capabilities: Embedded Systems & Hardware Design Custom PCB Design (multi-layer, low-power, high-speed) Schematic Capture, Component Selection, BOM Optimization Sensors, Analog/Digital interfaces, RF Modules (LoRa, WiFi, BLE, GSM, NB-IoT) Microcontrollers: STM32, ESP32, AVR, PIC, nRF52/53/91, Arduino Power Supply & Battery Management Firmware Development C/C++, FreeRTOS, Zephyr, nRF Connect SDK Device drivers, bootloaders, OTA updates, power optimization Communication: UART, SPI, I2C, Ethernet, TCP, Modbus, MQTT, CAN 📱 Full Product Integration Mobile App Development Backend/Cloud: ASP.NET, REST APIs, SQL, Remote Monitoring Sensor Calibration, Testing, and Debugging Functional Prototypes → Ready-for-Manufacturing Products 💬 Why Choose Me? ✔ 14+ years of cross-discipline experience ✔ Full-cycle product delivery: electronics, firmware, software ✔ Fast turnaround with production-ready quality ✔ Clear communication, documentation, and post-project support ✔ I don't just “build circuits” — I build real products that work and scale 🧩 Who I Work With Startups looking to create a working hardware prototype Companies needing to scale or redesign their products Inventors who need help from scratch: concept → design → code → working prototype
    Featured Skill PCB Design
    SolidWorks
    GPS
    Instrumentation
    ASP.NET
    Sensor
    Internet of Things Solutions Design
    Xamarin
    MQTT
    C#
    STM32
    Atmel AVR
    MATLAB
    SQL
  • $40 hourly
    • 5.0/5
    • (9 jobs)
    During my career, I have gained a valuable understanding of software and hardware interaction from basic to complex embedded systems as I have either been involved in or contributed to the hardware design procedures in my previous experiences. As the complexity of the system increases, producing clean and well-structured code will become as critical as the correctness of the code itself to achieve maintainable and scalable software. Because of that, I put a lot of effort into designing software that can be readily understood and extendible. My familiarity with the rigorous scientific discipline and approach that I attained during my academic studies will be beneficial to your company's mission while tackling complex problems that the team faces. Besides my technical expertise, I also have excellent skills in parameterizing and solving problems. I am a very ambitious team player who has the ability to work alone efficiently if required which would be well suited in a dynamic and progressive environment. I would be glad to cooperate with you and your team with my skills and expertise since attained from years of experience in software design engineering for challenging various industry-specific needs. Technical skills Programming: C, C++, Python, FORTRAN, Java SDK, LabView Version Control: Git Project Management: Atlassian Jira IDE: Keil uVision, Code Composer Studio, Eclipse, Microsoft Visual Studio OS: Linux, FreeRTOS Processing Platforms: ARM Cortex M4 and A8, Xilinx Zynq 700 SoC SDK: Processor SDK for AM335x Sitara Processors, Xilinx SDK for Zynq -7000 Numerical Analysis Packages: Matlab, Scilab, Mathematica Modeling: Comsol Multiphysics, CST Studio Testing Framework: Google Test
    Featured Skill PCB Design
    Embedded C
    Hardware Design
    Bluetooth
    Electronic Design
    KiCad
    Hardware Prototyping
    Digital Electronics
    Embedded System
    Altium Designer
    Driver Development
    Electronic Circuit Design
    Analog Electronics
    Embedded Linux
    C
    C++
  • $100 hourly
    • 4.9/5
    • (57 jobs)
    I am a PCB designer and firmware developer. I have extensive experience in PCB design and I am very proficient at using KiCAD and Altium as a PCB design tool. I have been using Altium since 2015 professionally and I have my own active Altium license for the PCB works that I have been delivering. I have also been using KiCAD since 2020 and almost half of my clients are using it and I am also delivering PCB designs with KiCAD I develop embedded firmware with C for various microcontrollers. I have lots of experience writing C code for low-level application that needs to directly interact with external/internal hardware. I specialize in timing critical applications, but I am a generalist. I specialize in mixed-signal PCB design, analog electronics, precision design and high-speed electronics. ➡️ What I can do for you ✅ Hardware development ✅ Firmware Development ✅ Electronics Manufacturing ✅ Electronics Fast-Prototyping ✅ Cost and BOM optimization ➡️ PCB Design Tools ✅ Altium Designer ✅ KiCAD ➡️ Firmware Development ✅ C Programming ✅ Low-level Timing Critical Applications ✅ STM32, ESP32, 8-bit/16-bit/32-bit PICs and various ARM cortex MCUs ✅ Working with various wireless modules such as Bluetooth, Wi-Fi, Lora, 4G etc. ✅ Working with various interfaces such as SPI, I2C, USART, USB, CAN. ✅ Data Acquisition firmware with specific sampling rates ➡️ Electronics Design and Development ✅ Hardware Development ✅ PCB layout, Schematic Design ✅ Component and IC selection for various parts in the hardware such as microcontrollers, power supply ICs, connectors, regulators, oscillators, IO expanders, op amps, passive parts and many more. My specialty includes mixed-signal, high-speed and precision electronics hardware design. I focus on test & measurement and data acquisition systems. ➡️ High-Speed, High-Density PCB Design ✅ Controlled impedance and length matching of High-speed traces ✅ Proven records on working high-speed PCBs including USB, HDMI, DDR, PCIe, LVDS, Gigabit ethernet and various interfaces. ✅ 12-Layer HDI PCB routing with micro/blind/buried vias. ✅ PCB designs with more than 1000 components including DDR RAMs, FPGAs, MCUs and various high-speed chips ✅ PCB designs with BGA chips with pitches down to 0.35mm ✅ Design for Signal and power integrity to mitigate EMI EMC issues. ➡️ Mixed-Signal and analog PCB Design ✅ ADC and DAC circuit designs up to 24-bit resolution ✅ Sampling rates up to 100MSPS. ✅ Precision analog front-end designs ✅ Precision and fast ADC driver circuit design ✅ Design for accuracy and precision ✅ Active and passive filter designs. ✅ Data Acquisition systems and firmware development including various processing units such as MCU, MPU and FPGA. ➡️ Hardware Testing & Validation ✅ Hardware Bring up ✅ Basic Functional Testing ✅ Testing in electronics lab environment I have an electronics lab and I am able to test and verify the PCBs that I design for my clients. ➡️ Here is a short list of test and measurement equipments that I own ✅ Digital Oscilloscope ✅ 6.5 Digit Multimeter ✅ Handheld Multimeters ✅ LCR Meter ✅ Arbitrary function generator ✅ Soldering Iron and heat gun for PCB rework and prototyping ✅ Power Supplies
    Featured Skill PCB Design
    Embedded C
    Electrical Layout Design
    Electrical Engineering
    Hardware Design
    Electronic Design
    Schematic Capture
    Analog Circuit
    Circuit Design
    Analog Electronics
    Altium Designer
    KiCad
    Firmware
    Microcontroller Programming
    Embedded System
  • $40 hourly
    • 5.0/5
    • (1 job)
    I’m a designer with experience in hardware design(multilayer, highspeed, rf, etc.). I expert of PCB design and firmware for fpga and MCU's(IMX series, ST MCU series and Xilinx FPGA's) Altium designer. I have an experience in C, C++, VHDL languages.
    Featured Skill PCB Design
    C
    VHDL
    Firmware
    Hardware Prototyping
    Firmware Programming
    Altium Designer
  • $50 hourly
    • 5.0/5
    • (4 jobs)
    Please DON'T consider hiring me if: - You don't want to discuss and answer questions, share a wider context about your project, I want to provide my services as I was your business partner, so be ready for a lot of questions. - My work doesn't create more value for you than your investment in my work. - You are looking for a beginner developer that will do the job for you as cheaply as possible. - Quality and neatness is my priority, if you are on fire, so I am not your guy. Bio: Respectful, self-motivated, and gifted at finding reliable solutions for software/hardware issues, got the ability to systematically explore multiple solutions and explain trade-offs and decisions, 8+ years of experience in power electronics, motor control technologies, sensors enterface, communication protocols, and industrial automation, offering PCB Design and code writing skills for a wide range of applications. APPLICATIONS: • Embedded MCU's (STM32, PIC16/18/24/32, dsPIC30/33, and others) • Industrial communication protocoles • USB 2.0/3.0, USB-C • Motor control (PMSM, BLDC, DC, Stepper, Linear, Induction) • Real-Time closed-loop systems • Mixed digital + analog systems • Sensors and encoders interface • MOSFET / IGBT /Thyristor control systems • BMS, and chargers • MEMS (Accelerometer, Gyroscope, Magnetometer) • LED lighting SERVICES: • PCB Design & Layout • Electrical Engineering • 3D Modeling • Prototyping (PCBA) • Mass production management • Mass production contracts (PCB + PCBA + Inclosure + Packaging + Testing) OUTPUT: • Schematic • Layout • Gerber • BOM • Pick&Place • 3D Model
    Featured Skill PCB Design
    PIC32
    STM32
    Multilayer PCB
    Microcontroller Design
    Linux
    KiCad
    Internet of Things
    Embedded C
    Embedded System
    Firmware Programming
    SolidWorks
    Microcontroller
    Altium Designer
    Eagle
  • $60 hourly
    • 5.0/5
    • (2 jobs)
    With over 8 years of hands-on experience in C++ development, gained from esteemed companies like IBM and Mentor Graphics, I bring a wealth of expertise to the table. My background encompasses a spectrum of responsibilities, from software analysis and design to development, within diverse industry domains. In addition to my proficiency in C++, I possess a robust skill set that includes: - data structures and design patterns - advanced concepts of object-oriented programming - Managing multithreaded applications seamlessly - Excelling in socket programming, particularly in TCP/IP environments Moreover, I am committed to staying at the forefront of technological advancements. I have augmented my expertise with knowledge in Python, JavaScript, MySql, Embedded systems along with a firm grasp of web development technologies such as HTTP and CSS. My familiarity with shell scripting and Agile methodologies further enhances my adaptability and efficiency in project environments. Beyond technical competency, I have a proven track record of thriving in both traditional and remote work settings, adeptly navigating diverse time zones. My expertise extends beyond software domain, encompassing domains such as GNSS, RF, EDA, scientific problem-solving, data modeling, Kalman filtering, antenna design, and signal integrity. Driven by a passion for problem-solving, I approach challenges with a creative mindset and a collaborative spirit. My tenure in previous roles has equipped me with the ability to communicate effectively with senior management, peers, and clients alike, fostering successful project outcomes.
    Featured Skill PCB Design
    Antenna Design
    PADS Mentor Graphics
    Electronic Design
    RF Design
    KiCad
    GPS
    Multilayer PCB
    Electromagnetic Simulation Software
    Altium Designer
    RF Microwave Design
    Assembly Language
    Embedded C
    Digital Signal Processing
    MATLAB
    TCP/IP
    Multithreaded Programming
    Python
    C
    C++
  • $75 hourly
    • 4.6/5
    • (10 jobs)
    I'm Emre, I have been working professionally in embedded systems, AOSP and Android application development for 9 years. 📡 I have experience with the following Android Technologies: ➤ Android AOSP ➤ Android Mobile App Development ➤ Android SDK/NDK (Java/C/C++) ➤ Android Wearable ➤ Android Firmware development for all kind of Devices (Phones, Tablet, TV, Accessories) ➤ Custom ROM - I have deep experience in customizing Android and modifying the entire OS experience as per the requirements → Changing Boot Animations → OTA Update → SystemUI Design (Notification Menu) → Finger Gesture on Everyscreen → Modifying Shutdown Screen → Home Application → Developing System-Level Apps → Settings App Changes → Gpio Applications → Uart Applications 📡 I have experience with the following Embedded and IoT system development: ➤ Firmware Development: C, C++. ➤ Schematic/PCB Design Altium Designer ➤ Hardware Peripherals USART, SPI, I2C, I2S, CANBus, OneWire, USB OTG, USB Host, USB Device (MSD, HID, CDC, DFU), Ethernet, RTCC, ADC, DAC ➤ I have extensive experience with the development of secure bootloader and OTA update ⚒️ I have worked on following families of Microcontrollers from various manufacturers: ➤ ST Microelectronics:- STM8, STM32F0, STM32F1, STM32F4, STM32L ➤ Microchip:- PIC12, PIC16, PIC18 ➤ Atmel ATmega ➤ STC STC8A8K series MCU ⚒️ I have experience on following wireless and Rf SoCs/SoMs: ➤ BLE - Efr32bg22, nRF51/2, ESP32 ➤ WiFi - ESP8266, ESP32 ➤ CC1101 ➤ RC522 Mifare 📡 What are the advantages of hiring me? 📌 Strong hardware design and firmware development experience. 📌 Delivering quality results on/before time. 📌 Regular update for project progress with a detailed report. 📌 Quick response time. 📌 Very competitive hourly rate.
    Featured Skill PCB Design
    Android App
    Bluetooth LE
    Smart Contract
    AOSP
    RFID
    RF Design
    Android NDK
    Arduino
    nRF52832
    Embedded C
    Embedded System
    Android App Development
    Node.js
  • $40 hourly
    • 4.6/5
    • (3 jobs)
    I specialize in transforming complex hardware and firmware requirements into industry-standard, production-ready embedded systems.I deliver high-speed PCB designs and optimized firmware solutions tailored for automotive, industrial automation, and IoT applications. What I Offer 🛠️ 🎛️ Advanced PCB Design & Layout -12+ layer HDI PCB designs (microvia, blind/buried via, stacked via). - High-Speed Interface Routing: Ethernet (10/100/1000BASE-T), USB 2.0/3.0, HDMI, DDR4, PCIe, LVDS. -EMI/EMC optimization (shielding, controlled impedance, grounding strategies). -Signal integrity analysis and DFM/DFA-focused workflows. 🔍 Hardware Bring-Up & Validation - Prototype board power-on testing (power sequencing, clock distribution). - High-speed signal validation (TDR, eye diagram analysis). - Peripheral and sensor integration testing. 💾 Efficient Firmware Development - Bare-metal and RTOS-based (FreeRTOS, Zephyr) C/C++ code development. - Low-Level Drivers: DMA, ADC, PWM, watchdog timer, interrupt handler optimization. - Protocol Stack Integration: TCP/IP, USB CDC/HID, Modbus, CANopen, MQTT. - Power Management: Dynamic voltage scaling, sleep mode optimization (µA-level current consumption). -Debugging and testing (JTAG/SWD, unit testing, hardware-in-the-loop simulation). Tools & Technologies 🧰 - PCB Design: Altium Designer, KICAD,LTSPICE - Firmware: STM32CubeIDE, VS Code, GIT, - Validation: Digital Oscilloscope, Multimeter, Soldering Iron and heat gun for PCB rework and prototyping
    Featured Skill PCB Design
    Embedded Linux
    Digital Electronics
    Hardware Prototyping
    Hardware Design
    Internet of Things Solutions Design
    Firmware
    ESP32
    STM32
    Electronic Circuit Design
    Circuit Design
    KiCad
    Altium Designer
    Embedded System
    Multilayer PCB
  • $34 hourly
    • 4.9/5
    • (8 jobs)
    Hey there! I've been working in the field of Embedded System Engineering since 2014, gaining international experience through on-site and online consulting and employment positions. My experience covers Firmware and Electronics development for various applications. Throughout my journey, I've handled different phases of the product life-cycle, including: 🔧 Developing low-level sensors/module drivers 📟 Creating application firmware ⚡ Schematic and 2-4 layers PCB design using: Eagle CAD, Ki CAD, and Altium 🛠️ Designing for manufacturing (DFM) 🔬 Prototyping 🧪 Conducting various types of testing and analysis I'm also quite passionate about research in Tiny machine learning (TinyML) and sensor fusion. With a degree in Computer Engineering and a master's degree in Electronics and Computer Engineering, I'm well-equipped to thoroughly understand your requirements, propose the right decisions, and successfully execute tasks with precision and timeliness. Looking forward to working together! I have experience working with ARM Cortex M0-3-4 MCUs, including those from Nordic Semiconductors, Siliconlabs, Ambiq, and Atmel. Development of sensor drivers relies on common peripherals like I2C, SPI, and UART, which I'm proficient in debugging using logic analyzers and oscilloscopes. I have years of experience in BLE 4.0/4.2 and more recently, BLE 5 as the main wireless protocol. I designed data transaction services and characteristics while optimizing BLE communication by measuring and fine-tuning connection and advertising parameters. I extensively use C and C++ in firmware development, with a comprehensive understanding of embedded-C at a low level. I primarily use Linux/Ubuntu as my operating system, preferring bash scripts and makefile/Cmake for full control and awareness of compilation flags and linker scripts. 👨🏻‍💻 Skills: ・ARM Cortex M0-3-4 MCUs: Nordic Semiconductors, Silicon-labs, Ambiq, and Atmel ・ESP32 ・I2C, SPI and UART ・Logic analyzers and Oscilloscopes ・Eagle CAD, Ki CAD, and Altium ・Soldering and Prototyping ・BLE 4.0/4.2 ・FreeRTOS and Mbed-OS ・9-DoF IMU ・Embedded C/C++ ・Linux/Ubuntu ・Bash scripts ・Makefile/Cmake
    Featured Skill PCB Design
    Bluetooth LE
    Schematic
    Firmware
    Embedded System
    KiCad
    FreeRTOS
    Embedded C
    Altium Designer
    Eagle
    nRF52
    ESP32
    C++
    Python
    Arduino
  • $40 hourly
    • 5.0/5
    • (1 job)
    *** Please Note: All photos and videos in portfolio is real world projects done by me *** **** PLC/SCADA Design and programming Expertise **** Professional in PLC/Scada Systems for more 4 Years in the following areas: • Programming Siemens/Delta/ABB/Omron PLCs. • Design and programming a complected SCADA Systems. • Programming HMIs. • Celebrate and running servo motors. ********* Desktop Programming Expertise ************** Professional in Delphi® programming language with experience of more than 13 years in the following areas: • Analyzing and programming Accounting Systems and ERP Systems. • Programming VCL Components. • Developing and customizing Printing Editors ,Ex: FastReport® • Programming Web Services (HTTP Servers). • Programming communication and control systems for various types of PLC on several protocols (RS232, RS485, RS422, Parallel, TCP / IP, UDP, CAN). Professional programmer in SQL databases with experience of more than 8 years.
    Featured Skill PCB Design
    Delphi
    PLC Programming
    Desktop Application
    MySQL
    Multilayer PCB
  • $40 hourly
    • 4.8/5
    • (34 jobs)
    🚀 Looking to bring a cutting-edge embedded product to life? I provide hardware & firmware solutions that power smart, connected devices—from concept to certified, production-ready electronics. With 15+ years of hands-on experience, I’ve helped startups and enterprises successfully launch 50+ products across industries, including IoT, industrial automation, and consumer electronics. I specialize in end-to-end product development, ensuring seamless hardware-firmware integration, low-power optimization, cloud connectivity, and regulatory compliance (FCC, CE, etc.). Whether you need a prototype, small-batch production, or full-scale manufacturing, I can support you at every stage. 🔹 Services Offered ✅ Embedded Firmware Development – Real-time, energy-efficient, and scalable solutions ✅ Custom Hardware & PCB Design – Schematic design, PCB layout, and prototyping ✅ IoT & Wireless Expertise – LoRaWAN, Wi-Fi, Bluetooth, Cellular IoT (2G, 3G, 4G, NB-IoT) ✅ Device Manufacturing & Prototype Production – Rapid prototyping, small-batch production, and mass manufacturing support ✅ Cloud & Dashboard Solutions – IoT data visualization with ThingsBoard, AWS IoT, and ChirpStack ✅ Regulatory Compliance & Certification – FCC, CE, UL pre-compliance testing and firmware optimization ✅ Full-Stack Embedded Solutions – From board bring-up to cloud integration I help businesses and innovators get high-quality embedded solutions without delays or technical roadblocks. Whether you're building a prototype, scaling to production, or optimizing an existing design, I provide efficient, cost-effective, and scalable solutions. 📡 Expertise in Microcontrollers & Hardware ✅ Microcontrollers & SoCs: STM32 (STM32WL, STM32WB, STM32L0, STM32L4, STM32F1, STM32F4, STM32F7), AVR, PIC, Renesas, TI, NXP, ESP32, Raspberry Pi (RP2040) ✅ Wireless & IoT Technologies: LoRa, LoRaWAN, Sub-GHz, Wi-Fi, Bluetooth, Cellular IoT (2G, 3G, 4G, NB-IoT) ✅ Communication Interfaces: I2C, SPI, UART, QSPI, RS485, RS232 ✅ LoRaWAN Gateways: Milesight UG65, RAK Wireless WisGate, CloudGate Micro 💻 Software & Development ✅ Programming Languages: C, C++, Assembly, Perl, C#, Python, JavaScript ✅ RTOS & Embedded OS: FreeRTOS, Zephyr, QNX, RT-Linux ✅ Cloud & IoT Platforms: AWS IoT Core, The Things Network (TTN), ChirpStack ✅ IoT Dashboard Solutions: ThingsBoard, Grafana, and AWS IoT Dashboards ✅ Protocols: REST API, MQTT 🚀 Why Work With Me? ✅ Full-cycle embedded product development – from PCB design to firmware & manufacturing ✅ Experience in industrial, consumer, and medical electronics ✅ Optimized solutions for low power, real-time performance, and scalability ✅ Seamless integration of IoT hardware with cloud-based dashboards ✅ Proven track record of delivering high-quality, production-ready embedded systems 📩 Let’s discuss your project! Whether you need PCB design, firmware development, IoT dashboards, prototype production, or full-scale manufacturing, I can help. Click ‘Invite to Job’ to get started! 🚀
    Featured Skill PCB Design
    Embedded System
    AWS IoT Core
    NFC
    Assembly Language
    Linux
    Qt Framework
    C
    Embedded C
    C++
    Python
    Embedded Linux
    Firmware Programming
    STM32
    LoRa
  • $40 hourly
    • 0.0/5
    • (0 jobs)
    With over 8 years of experience in IoT, embedded systems, machine learning, and software development, I have successfully delivered innovative solutions across both academic and freelance projects. My portfolio includes work on wind turbine blade damage detection systems, earthquake early warning systems, real-time face mask detection, smart agriculture applications, and AI-powered financial trading bots. Technical Expertise: I am proficient in Python, C/C++, C#, JavaScript, HTML/CSS, Kotlin, Go, and SQL. I also have hands-on experience with machine learning and deep learning frameworks such as TensorFlow, Keras, PyTorch, and OpenCV. IoT & Embedded Systems: My background in designing and developing IoT solutions includes working with ESP32, PCB design, MQTT, RabbitMQ, and real-time data processing. Software Development & Integration: I excel in API development, containerization with Docker, orchestration with Kubernetes, and AWS integration to create scalable and secure systems. Academic & Professional Background: With a strong engineering foundation from Ege University and a broad range of project experiences, I bring both practical and theoretical insights to every project.
    Featured Skill PCB Design
    Internet of Things Solutions Design
    Arduino
    Autodesk AutoCAD
    Android
    Earthquake Engineering
    Seismic
    Node.js
    Research & Development
    C
    Linux
    Microprocessor
    Microcontroller
    Embedded Application
    Deep Learning
    Machine Learning
    Kotlin
    C++
    Python
  • $15 hourly
    • 4.9/5
    • (5 jobs)
    I am a Mechatronics Engineer in designing and printing pcb, programming embedded systems; in mechanical side, designing 3d models, drawings and prototype. -I am experienced in C, embedded system and pcb design and printed also drawing 3d mechanical design. -I’ll fully project manage your brief from start to finish. -It is important to keep in touch with you. You will never regret choosing me.
    Featured Skill PCB Design
    Autodesk Inventor
    Mechanical Engineering
    Prototype
    Mechatronics
    C
    Embedded C
    Electrical Drawing
    Electronics
    Mechanical Design
    3D Modeling
    Electrical Engineering
    Autodesk AutoCAD
    CAD
    Electrical Design
  • $65 hourly
    • 4.3/5
    • (42 jobs)
    I have more than 10 years of experience in Multi-layer PCB design for high-speed, mix-signals, and RF circuits. I developed functional PCB designs for various sectors including Medical, Construction Machinery, Automotive, Avionics, Communication, and Home Automation. I also have a background in mechanical engineering and industrial design; In this way, I can help you with shell design for your products. I can implement my work into fully realized products for you. Below are the details; ⭐ PCB Design Services ◼ Concept to schematics capturing ◼ IPC standards PCB footprints and 3D footprints using Step models ◼ Multi-layer PCB layout, placement, and routing (Rigid, Flex, and Rigid-Flex mix PCBs) for space-constrained and complex mechanical designs ◼ Components sourcing, BOM management, and manufacturing data generation ⭐ Technology Nodes ◼ High-Speed Circuits and Interfaces: SOM (System-on-Module) Boards, FPGA/DSP based designs, ARM Cortex, Microcontrollers (PIC, Atmel, STM32, TI MSP series), DDR2/3, NAND Flash, eMMC, USB Hubs Chips (USB 2/3), PCIe Interfaces, MIPI (CSI & DSI), RGB Interface LCD, Gigabit Ethernet, HDMI, and UHS SD-Cards ◼ Wireless and IoT Solutions: WiFi, GSM/LTE/NB-IoT, LoRa, GPS/GLONASS, Bluetooth, ZigBee, NFC Tag/Reader, Balun Filters, PCB/Chip Antennas ◼ Motor Control Applications BLDC Motor, DC Motor Drivers, High-Resolution Encoder Design, Computer Control Interface Development ◼ Power and Battery Management: Board power estimation and power circuits design (Linear/Switching Regulators), PMICs, Power-over-Ethernet (POE), Wireless Charging, Battery monitoring, balancing, and gauge circuits along battery charging circuits single and multi-cell operation ⭐ PCB Prototyping and Mass-production ◼ Handling PCB manufacturing for both low-yield and mass-production quantities ◼ Assisting customers from design to complete box build-up ◼ Helping customers in finding low price and high-quality electronics manufacturers ⭐ PCB Testing ◼ PCB component assembly ◼ Complete hardware testing ◼ Board bring-up ◼ Embedded firmware ⭐ EDA Tools ◼ Altium Designer ◼ KiCad ◼ Mentor PADS ◼ Mentor Xpedition ◼ Eagle PCB ◼ Proteus PCB ◼ EasyEDA ⭐ Mechanical Tools ◼ Fusion 360 ◼ SolidWorks
    Featured Skill PCB Design
    Electronic Circuit Design
    Hardware Design
    PADS Mentor Graphics
    Multilayer PCB
    Circuit Design
    Embedded System
    Embedded C
    Electrical Layout Design
    Microcontroller Programming
    Arduino
    SolidWorks
    3D Modeling
    Altium Designer
  • $30 hourly
    • 5.0/5
    • (10 jobs)
    With years of experience in embedded system development, I can offer all electronic design steps from schematic capture to prototype building. Fields of expertise are: -System design, schematic capture, printed board layout, analog simulation, firmware development, prototype assembly, through-hole and SMD soldering, electrical & environmental tests, electromagnetic compatibility (EMC) guidance, manufacturing assistance, and related reviews and troubleshooting. -Analog, digital, mixed-signal, low-power and/or high-frequency board layout. -Software development for both RTOS and bare-metal microcontroller applications with C and assembly languages. -Building embedded applications in Linux and FreeBSD by using C, Python, HTML, JavaScript, PHP, and database technologies. -Including and excluding drivers and functions to/from Linux kernel source and recompiling. Editing existing drivers to satisfy hardware requirements. -Sensing methods and electronic components for temperature, humidity, light intensity, pressure, amount of various gases, weight (load cell), acceleration, rotation, and magnetic field detection and measurements. -Common communication protocols used in embedded systems such as CAN, RS485, RS232, Ethernet, USB, Modbus, BLE, Zigbee. -Frequently used MCU interfaces such as SPI, I2C, ADC, DAC, UART, and timers. -TCP/IP protocols such as SNMP, SMTP, DHCP, DNS, HTTP, FTP, TFTP, XML, Syslog, RestAPI, and MQTT. -Nordic nRF51 and nRF52, Raspberry Pi Pico RP2040, Espressif ESP32-D0WD, Nuvoton NUC029, NUC1311, Renesas R8C/1B, R8C/23, R8C/25, Asix AX110xx series of MCUs. -Raspberry Pi, TAM3517, MYC-Y6ULX and MYC-IMX28X-based single board computers. -Analog circuit simulation using Ngspice. At the end of the project, you may request to have: -Schematic and layout drawings in the project, pdf, and 3D file formats. -Gerber, drill and position files for PCB and stencil manufacturing. -Bill of materials which includes component references, quantities, footprints, manufacturer names, and part numbers for assembly. -BOM cost file generated with prices from known distributors such as Digikey, Mouser, etc. -Firmware source code in C or assembly or if it's a Linux system, in C, Python, HTML, or PHP. -Manufactured, assembled, tested and functional prototype boards. Project files will be in the format of design tools like Kicad, Librecad, and Freecad. So you don't need to buy expensive licenses to basically open & edit projects. I can do a design review on the schematic and part list of a finished project to validate the functionality of the circuit before manufacturing. I can also check PCB layout, footprints, and Gerber files for reliable production and operation.
    Featured Skill PCB Design
    Circuit Design
    Firmware Programming
    KiCad
    Hardware Prototyping
    Firmware
    Embedded Linux
    Embedded System
    Embedded C
  • $18 hourly
    • 4.9/5
    • (16 jobs)
    Greetings! I'm an experienced Electrical and Electronics Engineer with a knack for bringing ideas to life. Over the past 5+ years, I've delved into diverse projects, ranging from greenhouse automation to advanced UAV systems. Expertise Highlights: Accomplished in designing standards-based and professional PCB layouts, with international collaboration experience. Managed intricate PCB designs, including those with up to 12 layers, showcasing adaptability to varying project complexities. Specialized in a spectrum of PCB design areas: Single to Multi-sheet Schematics Single/double-sided and Multi-layer PCB layouts Power Supply (SMPS & LDOs) DC-DC Converters RF & High-speed layouts Multimedia Interfaces: HDMI, MIPI DSI/CSI, I2S, TDM, etc. Data and Control Interfaces: UART, USB, SPI, I2C, SDIO, PCIe, etc. Signal Integrity, and more. Project Management: I'm adept at steering projects from inception to completion, ensuring seamless coordination and effective communication throughout. Feedback is not just welcomed; it's integral to delivering stellar results. Let's collaborate on your next project! Feel free to reach out for a detailed discussion. Feel free to tweak it according to your personal style and preferences. This version aims to present your skills and experiences in a concise and engaging manner.
    Featured Skill PCB Design
    STM32
    ESP32
    Power System
    Embedded System
    Solar Design
    EasyEDA
    Electronic Circuit Design
    Control Engineering
    Altium Designer
    Internet of Things Solutions Design
    Automated Monitoring
    Power Electronics
    Arduino
    Product Design
  • $29 hourly
    • 4.6/5
    • (8 jobs)
    I have five years of experience in: -Electronic Circuit Design, Pcb Layout Design, and prototyping. I have rich backgrounds in embedded systems, Xbee's, Microcontrollers, Arduino, STM32, Gigabit Ethernet, PCIe, SPE, CANBus, RS422 etc., Aircraft's communications and telemetry, GNSS systems, satellites telemetry. I can also do prototyping in my workshop.
    Featured Skill PCB Design
    Analog Circuit
    Analog Electronics
    ESP32
    Electrical Engineering
    Internet of Things
    Electronic Circuit Design
    Altium Designer
    Electronics
    Hardware Design
    Arduino
    Embedded System
    Microcontroller
    Hardware Prototyping
  • $35 hourly
    • 0.0/5
    • (0 jobs)
    Hello, I'm here to turn your great ideas into perfect designs. I reflect my 10 years of experience in defense and space to your projects. RF,Power,IC,Analog,Digital etc. Rigid, Rigid-Flex, Flex Cross talk, Voltage drop simulation ⚡
    Featured Skill PCB Design
    CAD & CAM Software
    Design for Manufacturing
    CAD Software
    Siemens NX
    CAD
    Electronic Design
    PADS Mentor Graphics
    Electronic Circuit Design
    Siemens PLM Teamcenter
    Electronic Design Automation Software
    Altium Designer
    RF Design
    Design Simulation
    Multilayer PCB
  • $100 hourly
    • 0.0/5
    • (1 job)
    I am an embedded developer with 15 years of HW and SW design experience. I am experienced in embedded/desktop/back-end applications using C, C++, Golang and HW design
    Featured Skill PCB Design
    Redis
    Internet of Things
    Golang
    AOSP
    AWS IoT Core
    Application
    AWS Lambda
    Altium Designer
    Android
    Embedded System
    C++
    Embedded Linux
    C
  • $15 hourly
    • 5.0/5
    • (1 job)
    I'm an electrical and electronics engineering student with many projects. I want to learn more. * I am interested in PCB Design, 3D design. Able to use Proteus, LTSpice, EasyEDA, Eagle and Altium Designer. * Also working on Artificial Intelligence and Data Science with Python. Trying to learn FPGA. * Have experience in C#, Embedded C/C++ and Microsoft SQL Server.
    Featured Skill PCB Design
    Prompt Engineering
    Article Writing
    Logo Design
    SQL
    Digital Electronics
    Microsoft Office
    Microprocessor
    Electronics
    Artificial Intelligence
    C#
    Assembly Language
    Arduino
    Python
    C++
  • $45 hourly
    • 3.9/5
    • (2 jobs)
    I'm an electrical and electronics engineer specialized in power electronics. I work as a research assistant in Middle East Technical University. I have experience in designing, simulating, building and testing power converters. Projects: -1 kW Contactless Slip Ring Design Using SiC Series-Series Resonant DC-DC Converter -Concurrent Wireless Power Transfer and Motor Drive System -Design of 20 kW Three-Level Boost Converter Programs: -MATLAB -Simulink -LTspice -Plecs -Altium Designer
    Featured Skill PCB Design
    PV Sizing
    Electrical Drawing
    Electrical Design
    Electrical Layout Design
    Electronic Circuit Design
    Circuit Design
    Printed Circuit Board
    Simulink
    Power Electronics
    Electrical Engineering
    KiCad
    Altium Designer
    MATLAB
  • $15 hourly
    • 5.0/5
    • (5 jobs)
    I am an Electrical Engineer specializing in power electronics and PCB design. Passionate about developing innovative solutions, I focus on delivering reliable results for various projects. My educational background has equipped me with essential skills to tackle engineering challenges. I aim to enhance my expertise in these fields while contributing to projects that drive technological advancement. I offer comprehensive PCB design services, including schematic capture, hierarchical schematics, BOM and Gerber and Drill generation. My expertise includes the following PCB design tools: •Altium Desinger •KiCAD •LtSpice •Proteus •Wokwi My key skills include: •Power electronics design and analysis •PCB design(4 Layout) and prototyping •Circuit design and testing •Knowledge of electronic components and systems •Problem-solving and analytical skills I aim to continue enhancing my skills while contributing to impactful projects.
    Featured Skill PCB Design
    Circuit Design
    Electronics
    Electronic Circuit Design
    Hardware Design
    Power Electronics
    Engineering & Architecture
    Electrical Engineering
  • $35 hourly
    • 0.0/5
    • (0 jobs)
    I can help you for PCB card design and simulation. I have Proteus Isis-Ares knowledge. I am a fuzzy logic interface developer with Python on the Raspberry Pie platform. I write 8 bit pic, arduino code scripts. Regular communication is important to me, so let's stay in touch.
    Featured Skill PCB Design
    PIC Programming
    Raspberry Pi
    Arduino
    Engineering & Architecture
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