y
yannaxu

Yanxia Xu

@yannaxu
5,0(8)

Level 1

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

China
Chinesisch, Englisch
Einige Informationen werden in englischer Sprache angezeigt.
Über mich
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... Mehr lesen

Kompetenzen

y
yannaxu
Yanxia Xu
25 $/Stunde
offline • 
Durchschnittliche Antwortzeit: 4 Stunden

Meine Dienstleistungen

Leiterplatten (PCB)
I will design, review, guide schematics, pcb, pcba, jlcpcb production, basic firmware
4,9(6)
Ab100 $ / ProjektWeitere Details
Eingebettete Systeme & Internet der Dinge
I will design low power iot firmware with wifi, ble, lora, lcd by esp32, nrf52, stm32
5,0(2)
Ab100 $ / ProjektWeitere Details

Möchtest du auf Stundenbasis arbeiten?

Erzähle Yanxia Xu, was du brauchst.

25 $

/

Stunde

8 Bewertungen
5,0

(8)
(0)
(0)
(0)
(0)
Zusammensetzung der Bewertung
  • Kommunikation
    4,9
  • Qualität der Lieferung
    5
  • Preis-Leistungs-Verhältnis der Lieferung
    5
1–5 von 8 Bewertungen
Sortieren nach:
Am relevantesten
    O
    image-docs

    oleg_lucasevici

    Wiederkehrender Kunde

    MD

    Moldawien

    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...

    100 $-200 $

    Preis

    3 Tagen

    Dauer

    gig

    Leiterplatten (PCB)

    Hilfreich?
    Ja
    Nein
    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!

    50 $-100 $

    Preis

    4 Tagen

    Dauer

    gig

    Eingebettete Systeme & Internet der Dinge

    Hilfreich?
    Ja
    Nein
    M

    morshedy_96

    EG

    Ägypten

    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...

    400 $-600 $

    Preis

    3 Wochen

    Dauer

    gig

    Leiterplatten (PCB)

    Hilfreich?
    Ja
    Nein
    O
    image-docs

    oleg_lucasevici

    Wiederkehrender Kunde

    MD

    Moldawien

    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...

    50 $-100 $

    Preis

    4 Tagen

    Dauer

    gig

    Eingebettete Systeme & Internet der Dinge

    Hilfreich?
    Ja
    Nein
    S

    stonez56

    Wiederkehrender Kunde

    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!

    50 $-100 $

    Preis

    6 Tagen

    Dauer

    gig

    Leiterplatten (PCB)

    Hilfreich?
    Ja
    Nein