y
yannaxu

Yanna Xu

@yannaxu
5,0(5)

Level 1

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

Chine
Chinois, Anglais
Certaines informations sont présentées en anglais.
À propos de moi
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... Plus d’infos

Compétences

y
yannaxu
Yanna Xu
hors ligne • 
Temps de réponse moyen de 2 heures

Voir mes services

Cartes de circuits imprimés (PCB)
I will design, review, guide schematics, pcb, pcba, jlcpcb production, basic firmware
5,0(3)
Systèmes intégrés & IoT
I will design low power iot firmware with wifi, ble, lora, lcd by esp32, nrf52, stm32
5,0(2)

5 Avis
5,0

(5)
(0)
(0)
(0)
(0)
Détails de la notation
  • Niveau de communication avec le freelance
    5
  • Qualité de la livraison
    5
  • Valeur de la livraison
    5
1 à 5 avis sur 5
Trier par
Les plus pertinents
    O
    image-docs

    oleg_lucasevici

    Client récurrent

    MD

    Moldavie

    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 $US-200 $US

    Prix

    3 jours

    Durée

    gig

    Cartes de circuits imprimés (PCB)

    Utile?
    Oui
    Non
    O
    image-docs

    oleg_lucasevici

    Client récurrent

    MD

    Moldavie

    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 $US-100 $US

    Prix

    4 jours

    Durée

    gig

    Systèmes intégrés & IoT

    Utile?
    Oui
    Non
    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!

    50 $US-100 $US

    Prix

    4 jours

    Durée

    gig

    Systèmes intégrés & IoT

    Utile?
    Oui
    Non
    S

    stonez56

    Client récurrent

    TW

    Taïwan

    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 $US-100 $US

    Prix

    6 jours

    Durée

    gig

    Cartes de circuits imprimés (PCB)

    Utile?
    Oui
    Non
    S

    stonez56

    Client récurrent

    TW

    Taïwan

    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!

    100 $US-200 $US

    Prix

    13 jours

    Durée

    gig

    Cartes de circuits imprimés (PCB)

    Utile?
    Oui
    Non