๐ฏ ๐ช๐ผ๐ฟ๐ธ๐ฒ๐ฑ ๐๐ถ๐๐ต ๐ ๐ฒ๐ฟ๐ฐ๐ฒ๐ฑ๐ฒ๐-๐๐ฒ๐ป๐, ๐ฃ๐ผ๐ฟ๐๐ฐ๐ต๐ฒ, ๐ง๐ผ๐๐ผ๐๐ฎ & ๐๐ผ๐ฟ๐ฑ.
๐ฉ๐ช ๐๐ฒ๐ฟ๐บ๐ฎ๐ป ๐๐ผ๐ฟ๐ธ ๐พ๐๐ฎ๐น๐ถ๐๐ ๐ฑ๐ฒ๐น๐ถ๐๐ฒ๐ฟ๐ฒ๐ฑ ๐ผ๐ป-๐๐ถ๐บ๐ฒ ๐ฒ๐๐ฒ๐ฟ๐-๐๐ถ๐บ๐ฒ
๐ค ๐๐ผ๐บ๐ฝ๐ฒ๐๐ถ๐๐ถ๐๐ฒ ๐ฝ๐ฟ๐ถ๐ฐ๐ถ๐ป๐ด.
โ ๐ญ๐ญ+ ๐๐ฒ๐ฎ๐ฟ๐ ๐ฝ๐ฟ๐ผ๐ณ๐ฒ๐๐๐ถ๐ผ๐ป๐ฎ๐น ๐ฒ๐ ๐ฝ๐ฒ๐ฟ๐ถ๐ฒ๐ป๐ฐ๐ฒ. ๐ฎ๐ฌ๐ฌ+ ๐ฝ๐ฟ๐ผ๐ท๐ฒ๐ฐ๐๐ ๐ฑ๐ฒ๐น๐ถ๐๐ฒ๐ฟ๐ฒ๐ฑ.
๐บ๐ธ ๐จ๐ฆ & ๐ช๐บ ๐๐๐ฟ ๐๐๐ฎ๐ฟ๐๐๐ฝ ๐ฐ๐น๐ถ๐ฒ๐ป๐ ๐๐ฝ๐ฒ๐ฐ๐ถ๐ฎ๐น๐ถ๐๐ฎ๐๐ถ๐ผ๐ป.
โ๏ธ <๐ด ๐ต๐ผ๐๐ฟ ๐ฟ๐ฒ๐๐ฝ๐ผ๐ป๐๐ฒ ๐๐ถ๐บ๐ฒ๐, ๐ณ ๐ฑ๐ฎ๐๐ ๐ฎ ๐๐ฒ๐ฒ๐ธ.
๐ ๐ฎ-๐บ๐ผ๐ป๐๐ต ๐๐ผ๐ณ๐๐๐ฎ๐ฟ๐ฒ ๐ฏ๐๐ด ๐๐ฎ๐ฟ๐ฟ๐ฎ๐ป๐๐ ๐ผ๐ป ๐๐ผ๐ฟ๐ธ.
๐ฅ ๐๐ฒ๐ฟ๐๐ถ๐ณ๐ถ๐ฒ๐ฑ ๐๐ฒ๐ฎ๐ป ๐ฆ๐ถ๐ ๐ฆ๐ถ๐ด๐บ๐ฎ ๐๐น๐ฎ๐ฐ๐ธ ๐๐ฒ๐น๐ (๐๐ผ๐๐ฟ ๐ฝ๐ฟ๐ผ๐ท๐ฒ๐ฐ๐ ๐๐ถ๐น๐น ๐ฏ๐ฒ ๐บ๐ฎ๐ป๐ฎ๐ด๐ฒ๐ฑ ๐ฒ๐ ๐ฐ๐ฒ๐ฝ๐๐ถ๐ผ๐ป๐ฎ๐น๐น๐ ๐๐บ๐ผ๐ผ๐๐ต๐น๐)
Hi, Iโm Muhammad! You can think of me as your go-to expert to design and develop the firmware and software for all types of hardware devices and products. I cover both on-device needs and their matching companion apps on desktop and mobile.
Beyond the software, I work in person with a small, talented team that can support every aspect of hardware development and mechanical design as well. When you work with me, you get a one-stop shop for bringing your product to market.
๐ ๐๐ป๐๐ถ๐๐ฒ ๐บ๐ฒ ๐๐ผ ๐๐ผ๐๐ฟ ๐ฝ๐ฟ๐ผ๐ท๐ฒ๐ฐ๐ ๐ผ๐ป ๐จ๐ฝ๐๐ผ๐ฟ๐ธ ๐ผ๐ฟ ๐๐ฒ๐ป๐ฑ ๐บ๐ฒ ๐ฎ ๐ฑ๐ถ๐ฟ๐ฒ๐ฐ๐ ๐บ๐ฒ๐๐๐ฎ๐ด๐ฒ ๐๐ผ ๐ฏ๐ผ๐ผ๐ธ ๐ฎ๐ป ๐ฒ๐ฎ๐ฟ๐ป๐ฒ๐๐๐น๐ ๐ต๐ฒ๐น๐ฝ๐ณ๐๐น ๐ฐ๐ผ๐ป๐๐๐น๐๐ฎ๐๐ถ๐ผ๐ป ๐ฐ๐ฎ๐น๐น ๐๐ผ ๐ฐ๐ต๐ฎ๐ ๐ฎ๐ฏ๐ผ๐๐ ๐ฏ๐ฟ๐ถ๐ป๐ด๐ถ๐ป๐ด ๐๐ผ๐๐ฟ ๐ฝ๐ฟ๐ผ๐ท๐ฒ๐ฐ๐ ๐๐ผ ๐น๐ถ๐ณ๐ฒ.
โญ๏ธโญ๏ธโญ๏ธโญ๏ธโญ๏ธ
โ Muhammad and his team did an absolutely fantastic job. They are the real deal. Not only did they complete everything I asked for to build me a very complicated machine, they constantly added in their own innovations and modifications to improve the performance of the device. It was extremely easy to work with them, and they are extremely professional and true experts in their fields. I proposed many changes during the development of the product, and they were able to accommodate my requests and provide valuable insight if changes werenโt needed or were too costly. They are backed by an engineering firm with specialists in so many fields, so we never needed to outsource work to an outside firm. Their firm felt like a one-stop shop that had all the resources needed to build a complicated mechanical product. I really could not imagine that many other engineer freelancers would have access to the resources needed to build my machine, so I am very grateful I found Muhammad instead of wasting my time and money with other freelancers. Do not hesitate to hire him. โ
๐ฃ๐๐๐ฃ๐ซ๐๐ง ๐๐๐๐๐ง - ๐พ๐๐ - ๐ผ๐ช๐ฉ๐ค๐๐๐๐ก ๐ฟ๐ฎ๐ฃ๐๐ข๐๐๐จ
Highlights of the software skills I support my clients with include:
โ๏ธ Hardware Device Firmware Development -
โ๏ธ Software Development - Software Architecture Design
โ๏ธ Desktop App Development - Desktop Software Development
โ๏ธ Printed Circuit Boards - PCB - Circuit Design - Altium - KiCAD - Eagle
โ๏ธ Controllers - Raspberry Pi - Nordic (NRF) - Espressif - ESP32 - ESP8266 - STM - NXP - TI - Nvidia Jetson
โ๏ธ Programmable Circuit Boards - Microcontroller Projects - Integrated Development Environment (IDE)
โ๏ธ Electronic Design Automation - EDA - Eagle
โ๏ธ Mobile App Development For Hardware Devices - Flutter (Hybrid) - Swift (Apple iOS) - Java/Kotlin (Android)
โ๏ธ IoT Development
โ๏ธ Embedded Systems - Embedded Engineering - C - C++ - Python - Rust - RTOS - Zephyr
โ๏ธ Web Technologies - HTML5 - JavaScript - Node.js - RESTful APIs - PyQt
โ๏ธ Tools & IDEs - Visual Studio - STM32CubeIDE - Eclipse - Keil
Product Examples Iโve Worked On Include:
๐น Consumer Electronics - Headphones - Smartwatches
๐น Kitchen Appliances
๐น Medical & Health - Medical Devices
๐น Vending Machines - Retail
๐น Automotive Tech
๐น IoT - Internet of Things
๐น Gadgets
๐ ๐๐ป๐๐ถ๐๐ฒ ๐บ๐ฒ ๐๐ผ ๐๐ผ๐๐ฟ ๐ฝ๐ฟ๐ผ๐ท๐ฒ๐ฐ๐ ๐ผ๐ป ๐จ๐ฝ๐๐ผ๐ฟ๐ธ ๐ผ๐ฟ ๐๐ฒ๐ป๐ฑ ๐บ๐ฒ ๐ฎ ๐ฑ๐ถ๐ฟ๐ฒ๐ฐ๐ ๐บ๐ฒ๐๐๐ฎ๐ด๐ฒ ๐๐ผ ๐ฏ๐ผ๐ผ๐ธ ๐ฎ๐ป ๐ฒ๐ฎ๐ฟ๐ป๐ฒ๐๐๐น๐ ๐ต๐ฒ๐น๐ฝ๐ณ๐๐น ๐ฐ๐ผ๐ป๐๐๐น๐๐ฎ๐๐ถ๐ผ๐ป ๐ฐ๐ฎ๐น๐น ๐๐ผ ๐ฐ๐ต๐ฎ๐ ๐ฎ๐ฏ๐ผ๐๐ ๐ฏ๐ฟ๐ถ๐ป๐ด๐ถ๐ป๐ด ๐๐ผ๐๐ฟ ๐ฝ๐ฟ๐ผ๐ท๐ฒ๐ฐ๐ ๐๐ผ ๐น๐ถ๐ณ๐ฒ.
Thanks for taking the time to learn a bit more about me. Look forward to supporting you with your product soon!
Muhammad Usman Sardar
โญ๏ธโญ๏ธโญ๏ธโญ๏ธโญ๏ธ
โ Working with Muhammad has been an absolute pleasure! He is incredibly skilled, reliable, and went above and beyond to deliver high-quality work on time. He communicated clearly throughout the project, understood the requirements perfectly, and handled every challenge with professionalism and a positive attitude. The end result exceeded expectations, and Iโm truly grateful for his contribution. I highly recommend Muhammad to anyone looking for a talented and trustworthy developer. โ
๐ฃ ๐พ๐๐ก๐ค๐ ๐๐๐ก๐๐ - ๐พ๐๐ - ๐๐๐ & ๐พ๐ค.
KiCad
Embedded System
STM32
ESP32
Arduino
Raspberry Pi
Python
C++
PCB Design
Prototyping
Altium Designer
Microcontroller Programming
Electronic Circuit Design
Multilayer PCB
Electrical Engineering
WordPress
Circuit Design
Microsoft Visual Studio
RESTful API
Manufacturing & Construction
Yohannes T.
Addis Ababa, Ethiopia
$5/hr
5.0
2 jobs
I am a professional PCB Designer and Hardware Engineer specializing in the design and development of high-performance, multi-layer circuit boards. I have hands-on experience designing complex systems that integrate RF, analog, and digital blocks while ensuring signal integrity, power integrity, EMC considerations, and design-for-manufacturing compliance. I focus on delivering reliable, production-ready hardware solutions optimized for performance, cost, and scalability. From schematic capture to final layout and fabrication support, I provide precise, detail-oriented engineering services tailored to client requirements.
Core Expertise:
- Altium Designer
- KiCad
- C++
KiCad
Electronic Circuit Design
Altium Designer
Proteus Design Suite
Embedded System
C++
Electrical Engineering
PCB Design
Multilayer PCB
Aizaz U.
Islamabad, Pakistan
$13/hr
5.0
9 jobs
Delivered ๐ฑ๐ฌ+ embedded & IoT systems with ๐ต๐ต% reliability, reduced power consumption up to ๐ฒ๐ฌ%, improved wireless range up to ๐ฑ๐ธ๐บ, and achieved production-ready PCB success for industrial, RF, and sensor-based real-world deployments.
โค ๐๐ซ๐ฃ๐๐ฅ๐ง๐๐ฆ๐
โ Embedded hardware design
โ PCB design (multilayer, RF, power systems)
โ Firmware development (real-time & low power)
โ IoT system architecture
โ Wireless communication systems
โค ๐ฆ๐๐๐๐๐ฆ
โ ESP32, STM32, nRF52, nRF53, Raspberry Pi
โ C / C++ / Embedded C
โ FreeRTOS, Zephyr
โ BLE, WiFi, LoRa, LTE-M
โ MQTT, AWS IoT, HTTP/HTTPS
โ Altium Designer, KiCad, EasyEDA
โ Power electronics & signal integrity
โค ๐ฆ๐๐ฅ๐ฉ๐๐๐๐ฆ
โ PCB schematic & layout design
โ Embedded firmware development
โ IoT device development
โ Sensor integration systems
โ Wireless & cloud connectivity
โ Prototype to production support
โค ๐ช๐ข๐ฅ๐๐๐ก๐ ๐๐ซ๐ฃ๐๐ฅ๐๐๐ก๐๐
โ 5+ years in embedded systems & IoT product development
โ Delivered industrial controllers, RF systems, sensor nodes, and wireless IoT devices
โ Experience in full product lifecycle from design to deployment
โค ๐๐ก๐๐จ๐ฆ๐ง๐ฅ๐ฌ / ๐๐ข๐ ๐๐๐ก
โ IoT & Smart Devices
โ Wearables Devices
โ Industrial Automation
โ RF & Wireless Systems
โ Embedded Control Systems
โ Sensor & Monitoring Systems
โค ๐ง๐ข๐ข๐๐ฆ
โ Altium Designer
โ KiCad
โ EasyEDA
โ STM32CubeIDE
โ ESP-IDF
โ PlatformIO
โ If you want a reliable embedded system or IoT product that actually works in real-world conditions, message me and letโs build your solution today.
โค ๐๐๐ฌ๐ช๐ข๐ฅ๐๐ฆ
Embedded Systems, ESP32, STM32, PCB Design, Firmware Development, IoT, BLE, WiFi, LoRa, LTE-M, MQTT, AWS IoT, C, Embedded C, C++, FreeRTOS, Zephyr, RF Design, Power Electronics, Multilayer PCB, Altium Designer, KiCad, EasyEDA, Sensor Systems, Industrial Automation, Wireless Systems, Low Power Design, Hardware Design, Circuit Design, Design for Manufacturing (DFM), Embedded Firmware, Microcontrollers, Smart Devices, PCB Layout, Signal Integrity, Embedded Linux, OTA Updates, IoT Cloud, Prototype Development, Electronics Design, Product Engineering, Electrical Engineer, Electrical Engineering, Electronics, Hardware, Firmware, PCB, PCB layout, Board Layout, Schematics, Altium Designer, IoT, Internet of Things, Power Electronics, Bluetooth, BLE, TI, Texas Instruments, MCU, RTOS, Microcontroller, prototype, Flex PCB, FPGA, Rockchip, validation, Enclosures, Nordic, BMS, AWS, Python, ESP32, Cellular, IMU, Arduino, PLATFORMIO, PIC, NXP, Texas Instrument, Nordic, DIALOG, STM32, nRF5340, LCD, Wearable Technology, Raspberry Pi, Robotics, RF, XBEE, Wi-Fi, BLE, GPS, Adafruit, Production, Prototyping, LoRa WAN, Manufacturing, Assembly, Motor Driver, Prototype, Wireless Module, JLCPCB, Controllers, PLC, EASY EDA, KiCAD. Wearable device, medical devices, complience, Modbus TCP/IP, HMI, LVGL, Electronics Design, CAN, Eagle
KiCad
PCB Design
Embedded System
Firmware
Altium Designer
Multilayer PCB
Circuit Design
Microcontroller Programming
Embedded C
ESP32
STM32
nRF52
Zephyr
Arduino
Electrical Engineering
Electronics
Arduino Firmware
Internet of Things Solutions Design
C++
EasyEDA
Sardar Usairem A.
Dubai, United Arab Emirates
$40/hr
5.0
165 jobs
Looking for a Product Development expert to turn your innovative ideas into reality? Or do you need a Hardware Developer to take your existing electronics to the next level? Whether it's a concept that needs to be fleshed out or a product that requires professional-grade electronics, you've come to the right profile.
I am an Electronics and Electrical Engineer with over 6 years of experience in the Hardware and Electronics Design industry. My expertise spans from conceptual design to mass production, helping companies like Flux.ai, LiTrek, Simplifi Automation, UpLYFT Wearables, Microclimate Air, and Livello GmBH turn their ideas into successful products that have generated millions in revenue. I have extensive experience in developing hardware solutions that are not only innovative but also scalable for mass production.
Areas of Expertise:
Product Development:
From concept to prototype, I specialize in taking a product idea and developing it into a fully functional and manufacturable design.
Schematic and Multi-Layer PCB Design: Including part selection, sourcing, and generation of manufacturing files and documentation.
Hardware Design:
Analog and digital circuit design, microcontroller-based embedded systems, RF modules, GPS, Bluetooth, WiFi, and IoT integration.
Mass Production:
Expertise in scaling designs for large-scale manufacturing, including prototype testing, debugging, and design optimization for cost reduction and efficiency.
PCB Reverse Engineering:
Offering detailed analysis and re-engineering of existing designs.
Embedded Firmware Development: Proficient in C/C++, Arduino, STM32, and other microcontroller platforms.
PCB Design Software Expertise:
Altium Designer
KiCad
Mentor Graphics Xpedition
Proteus
Flex PCB and RF Design
Additional Services:
Manufacturing Support:
From initial designs to final production, I provide end-to-end support, including coordination with manufacturers like JLCPCB, PCBWAY, and ELECROW.
Prototyping and Testing:
I can handle everything from small-scale prototyping to large-scale testing and quality assurance.
Global Shipping and Logistics:
Need to ship your product worldwide? Iโve got that covered too.
If you're looking to bring a cutting-edge product to market or need expert assistance with your hardware and electronics, don't hesitate to reach out. Let's make your vision a reality.
KiCad
Electrical Engineering
Electronics
Electronic Design
Embedded System
PCB Design
Circuit Design
Power Electronics
EasyEDA
Altium Designer
Hardware Design
Digital Electronics
Analog Electronics
Arduino
Internet of Things
Product Design
Multilayer PCB
Edge AI
LAP V.
Tam Ky, Vietnam
$25/hr
4.9
106 jobs
I am mechatronics engineer from Viแปt Nam with 7+ years of experience in designing PCBs. I am familiar with various CAD tools including tools preferred by Manufacturers.
I am interested in doing this project with you. I have experience with Circuit Board designing and modification jobs. Handling circuits and PCB is my daily job.
I would like to talk about this project in details please message in the inbox to discuss more.
Expertise in:
1. KiCAD (main), Cr5000, EasyEDA, EAGLE, Altium, and other CAD tools.
2. PCB layout designing.
3. Design 3D model: Freecad, solidworks, CAD ...
4. Embedded device programming: Arduino, Avr, Esp8266, Esp32, Stm8,raspberry ...
5. Circuit Designing from Scratch.
6. Multilayer,Highspeed PCB design.
7. Python,labview software design
KiCad
Embedded C
Multilayer PCB
PCB Design
Arduino Firmware
Arduino
Arduino IDE
Electromechanics
C++
CNC Programming
AVR Microcontroller
Software Design
Software Development
Microsoft Visual C++
CMake
David P.
Hanoi, Vietnam
$20/hr
5.0
22 jobs
Hi, I'm David. I help turn complex electronic concepts into dependable, production-ready products. With over 5 years of practical experience, I support clients through the full development cycle, from initial design to functional prototypes and manufacturing handoff. My focus is on building efficient, scalable, and cost-conscious hardware systems that perform reliably in real-world conditions.
1. What I Deliver: Embedded Systems & Hardware Development
- PCB Design & Hardware Engineering: Circuit design, multi-layer PCB layout, component selection, impedance tuning, compact design, and cost optimization. Emphasis on IPC standards, signal integrity, EMI/EMC mitigation, and thermal considerations.
- High-Speed & Complex Systems: Hands-on work with DDR, HDMI, MIPI (CSI/DSI), PCIe Gen1/2, along with SoC and FPGA-based prototyping.
- Embedded Platforms: STM32N6, STM32H7/STM32H5, STM32F7/STM32F1/F3/F4, ESP32/ESP8266, Nordic nRF52 series, ARM Cortex-A systems, Raspberry Pi (CM4/CM5), Zynq-7000.
- Power & Mixed-Signal Design: Switching regulators (Buck, Boost, Flyback), LDOs, battery systems, motor control (BLDC, stepper, servo, DC), and analog/digital integration, PoE, LLC.
- Manufacturing Readiness: BOM preparation, Gerber generation, and design adjustments to streamline production and reduce costs.
- Tools: Altium Designer, KiCad, LTspice, Proteus, MATLAB/Simulink .
2. Firmware & Software Development
- Programming: C, C++, Embedded C, Python (for automation and validation).
- System Development: Linux-based platforms, MCU firmware, RTOS (FreeRTOS), power optimization, bootloaders, OTA updates, and debugging.
- Connectivity & IoT: WiFi, BLE, LoRa, Zigbee, GSM/LTE/NB-IoT/5G, GPS, RFID, NFC.
- Communication Interfaces: UART, I2C, SPI, I2S, RS232, RS485, CAN, Modbus RTU/TCP, USB, Ethernet.
- User Interface: LVGL-driven GUIs, TFT/OLED displays, and touch interfaces.
3. Development Process & Collaboration
- Product Lifecycle Support: Concept โ prototyping โ validation โ production handover.
- Workflow & Management: Organized development using Git, Jira, and structured documentation with clear milestones.
- Global Collaboration: Experience working across US, EU, and Asia time zones with consistent communication.
- Troubleshooting: Strong capability in diagnosing and resolving both hardware and firmware issues.
4. Why Choose Me?
- Unified Skillset: Combined hardware and firmware capabilities help minimize back-and-forth and speed up delivery.
- Practical Engineering Approach: Designs are built with real-world constraints in mind โ not just theory.
- Efficiency-Oriented: Focus on reducing unnecessary costs while maintaining performance and reliability.
- Clear & Responsive Communication: Regular updates, well-documented progress, and quick feedback.
Looking to bring your idea into a functional, well-engineered product?
Feel free to reach out. Iโd be glad to discuss your project !!!
KiCad
ESP32
Linux
Altium Designer
STM32
Raspberry Pi
LoRa
Arduino
Microcontroller Programming
Hardware Design
Bluetooth LE
PCB Design
Touchscreen
WiFi
NFC
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