y
yannaxu

Yanna Xu

@yannaxu
5,0(5)

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
Yanna Xu
offline • 
Tempo médio de resposta: 2 horas

Conheça meus serviços

Circuito Impresso (PCB)
I will design, review, guide schematics, pcb, pcba, jlcpcb production, basic firmware
5,0(3)
Sistemas Incorporados e IoT
I will design low power iot firmware with wifi, ble, lora, lcd by esp32, nrf52, stm32
5,0(2)

5 Avaliações
5,0

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

    oleg_lucasevici

    Cliente recorrente

    MD

    Moldávia

    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

    $

    3 dias

    Tempo

    gig

    Circuito Impresso (PCB)

    Útil?
    Sim
    Não
    O
    image-docs

    oleg_lucasevici

    Cliente recorrente

    MD

    Moldávia

    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

    $

    4 dias

    Tempo

    gig

    Sistemas Incorporados e IoT

    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$ 50-US$ 100

    $

    4 dias

    Tempo

    gig

    Sistemas Incorporados e IoT

    Útil?
    Sim
    Não
    S

    stonez56

    Cliente recorrente

    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

    $

    6 dias

    Tempo

    gig

    Circuito Impresso (PCB)

    Útil?
    Sim
    Não
    S

    stonez56

    Cliente recorrente

    TW

    Taiwan

    5

    Yanna Xu was outstanding in handling my PCBA manufacturing, design review, testing, and basic firmware validation tasks. He was consistently helpful throughout the entire process, and I had complete trust in her work. If you have PCBA design, review, testing related tasks, I highly recommended Xanna Xu!

    US$ 100-US$ 200

    $

    13 dias

    Tempo

    gig

    Circuito Impresso (PCB)

    Útil?
    Sim
    Não