y
yannaxu

Yanxia Xu

@yannaxu
5,0(10)

Level 1

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

China
Chinês, Inglês
Algumas informações são exibidas no idioma inglês.
Sobre mim
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... Saiba mais

Habilidades

y
yannaxu
Yanxia Xu
US$ 25/hora
offline • 
Tempo médio de resposta: 3 horas

Conheça meus serviços

Circuito Impresso (PCB)
I will design, review, guide schematics, pcb, pcba, jlcpcb production, basic firmware
5,0(8)
Sistemas Incorporados e IoT
I will design low power iot firmware with wifi, ble, lora,lcd,esp32,nrf52,stm32,renesa
5,0(2)

Quer trabalhar com remuneração por hora?

Diga a Yanxia Xu o que você precisa.

US$ 25

/

hora

10 Avaliações
5,0

(10)
(0)
(0)
(0)
(0)
Classificação detalhada
  • Nível de comunicação do freelancer
    4,9
  • Qualidade da entrega
    5
  • Valor da entrega
    5
1-5 fora das 10 avaliações
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Mais relevante
    O
    image-docs

    omaira26

    EG

    Egito

    5

    Some friend of mine has recommended Yanxia for me to review my manufactured PCBs before sending it so I can save money and time cause he's Chinese that gave him an advantage as JLCPCB factory is there and that will be much better like one stop shop for all PCB services. I 've found him very helpful and delivered exactly on the time. thanks Yanxia.

    US$ 100-US$ 200

    $

    3 dias

    Tempo

    gig

    Circuito Impresso (PCB)

    Útil?
    Sim
    Não
    E

    etrog2006

    IL

    Israel

    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$ 100-US$ 200

    $

    4 dias

    Tempo

    gig

    Sistemas Incorporados e IoT

    Útil?
    Sim
    Não
    M

    morshedy_96

    EG

    Egito

    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$ 600-US$ 800

    $

    3 semanas

    Tempo

    gig

    Circuito Impresso (PCB)

    Útil?
    Sim
    Não
    E
    image-docs

    elmorshedy

    EG

    Egito

    5

    Outstanding quality and professionalism! I hired Yanxia for PCB manufacturing, assembly (SMT), and thorough testing of my boards. He delivered top-notch results with extreme precision and great attention to detail. Communication was smooth throughout the entire project, and all deadlines were met seamlessly....

    US$ 200-US$ 400

    $

    8 dias

    Tempo

    gig

    Circuito Impresso (PCB)

    Útil?
    Sim
    Não
    S

    stonez56

    TW

    Taiwan

    Colaboração contínua
    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$ 100-US$ 200

    $

    6 dias

    Tempo

    gig

    Circuito Impresso (PCB)

    Útil?
    Sim
    Não