y
yannaxu

Yanxia Xu

@yannaxu
5,0(8)

Level 1

Project Management and Review, PCB, Power Electronics and Motor Drive, IOT

China
Chinees, Engels
Sommige informatie wordt in het Engels weergegeven.
Over mij
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... Lees meer

Skills

y
yannaxu
Yanxia Xu
US$ 25/uur
offline • 
Gemiddelde reactietijd: 4 uur

Bekijk mijn diensten

Print circuit boards (PCB)
I will design, review, guide schematics, pcb, pcba, jlcpcb production, basic firmware
4,9(6)
Geïntegreerde systemen en IoT
I will design low power iot firmware with wifi, ble, lora, lcd by esp32, nrf52, stm32
5,0(2)

Wil je op uurbasis werken?

Vertel Yanxia Xu wat je nodig hebt.

US$ 25

/

uur

8 Reviews
5,0

(8)
(0)
(0)
(0)
(0)
Specificering van de beoordeling
  • Communicatieniveau van de freelancer
    4,9
  • Kwaliteit van de levering
    5
  • Waarde van de levering
    5
1-5 van 8 reviews
Sorteer op
Meest relevant
    O
    image-docs

    oleg_lucasevici

    Terugkerende klant

    MD

    Moldavië

    5

    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...

    US$ 100-US$ 200

    Prijs

    3 dagen

    Looptijd

    gig

    Print circuit boards (PCB)

    Nuttig?
    Ja
    Nee
    E

    etrog2006

    IL

    Israël

    5

    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!

    US$ 50-US$ 100

    Prijs

    4 dagen

    Looptijd

    gig

    Geïntegreerde systemen en IoT

    Nuttig?
    Ja
    Nee
    M

    morshedy_96

    EG

    Egypte

    5

    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...

    US$ 400-US$ 600

    Prijs

    3 weken geleden

    Looptijd

    gig

    Print circuit boards (PCB)

    Nuttig?
    Ja
    Nee
    O
    image-docs

    oleg_lucasevici

    Terugkerende klant

    MD

    Moldavië

    5

    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...

    US$ 50-US$ 100

    Prijs

    4 dagen

    Looptijd

    gig

    Geïntegreerde systemen en IoT

    Nuttig?
    Ja
    Nee
    S

    stonez56

    Terugkerende klant

    TW

    Taiwan

    5

    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!

    US$ 50-US$ 100

    Prijs

    6 dagen

    Looptijd

    gig

    Print circuit boards (PCB)

    Nuttig?
    Ja
    Nee