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Yanxia Xu
@yannaxu
Level 1
Project Management and Review, PCB, Power Electronics and Motor Drive, IOT
China
Chinese, English
About me
I am an embedded systems designer with 10+ years of experience in automotive and industrial products.
I provide end-to-end development, from idea to working, reliable devices.
I specialize in solving real-world issues:
• Motor control and power electronics
• Ultra-low-power design (µA level)
• Noise / EMC problems
• Debugging unstable SPI / I2C / CAN /LIN communication
My work includes:
• PCB design and hardware debugging
• Firmware development (C / C++ / Python / Embedded Linux/ Qt)
• MCUs: STM32, ESP32, nRF52 as well as Renesas, NXP and TI MCUs
Skills
Yanxia Xu
$25/hour
Offline •
Average response time: 6 hours
See my services
Printed Circuit Boards (PCB)
I will design, review, guide schematics, pcb, pcba, jlcpcb production, basic firmware
Embedded Systems & IoT
I will design low power iot firmware with wifi, ble, lora, lcd by esp32, nrf52, stm32
Want to work on an hourly basis?
Tell Yanxia Xu what you need.
$25
/
hour8 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 8 Reviews
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oleg_lucasevici
Repeat Client
Moldova
Yanna Xu delivered an excellent PCB design and review service. Her communication was always clear and professional, making the entire process smooth and efficient. She completed the work on time and with great attention to detail. The PCB revision and report were exceptionally well prepared and demonstrated...
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etrog2006
Israel
Five-star experience! She was super fast to respond and caught onto the project requirements immediately. The quality of her work is top-tier, and she provided amazing service until the very last detail. Highly recommended, and I will absolutely work with her again!
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morshedy_96
Egypt
I had the absolute pleasure of working with Yanxia Xu, and the experience was truly exceptional. Yanxia Xu is an outstanding professional who is deeply committed to achieving nothing short of perfection. Even though the device itself relies on high precision, Yanxia Xu went above and beyond, maintaining...
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oleg_lucasevici
Repeat Client
Moldova
Working with Yanna Xu was an excellent experience. She is truly an expert in the firmware field and demonstrated outstanding technical skills throughout the project. Her code quality was exceptional — clean, well-structured, and highly maintainable. What impressed me most was how clearly she documented...
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stonez56
Repeat Client
Taiwan
Yanna Xu delivered an excellent PCBA design! The schematic was clean, well‑organized, and fully compliant with ERC/DRC checks. Communication was smooth and timely, and she provided clear documentation that made the process easy to follow. Highly recommended!
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