I will design, review, guide schematics, pcb, pcba, jlcpcb, china,production, firmware

5.0
5.0

China

I speak English, Chinese

22 orders completed

Gig Summary

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

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 solvin...

Level 2

Has met high performance criteria and has a proven track record for meeting client expectations.

Highly Responsive

Known for exceptionally quick replies

What people loved about this freelancer

About this Gig

You will receive a technically complete and reliable result.


Our Service

  • Altium, KiCad, EasyEDA
  • JCLPCB and Huaqiu Factory
  • Flex PCB and Upto 8 layer
  • Initial Prototype Verification

Advantages

  • Analog and Low-noise design for biosensor system.
  • Extreme Low Power design for battery based IoT. (uA level)
  • Signal integrity for super speed buses and Antena
  • Mass production preparation and cost optimization (China Based)

Specialization:

Circuit design

•

Schematics

•

Layout

•

Footprint

File format:

Gerber

•

STEP

•

SCH

•

PDF

•

ODB

Software:

Altium Designer

•

EasyEDA

•

KiCad

•

LabVIEW

•

NI Multisim

•

Proteus

Interface:

MIPI DSI/CSI

•

I2S

•

TDM

•

UART

•

USB

•

SPI

•

I2C

•

SDIO

•

PCIe

•

Wi-Fi

•

BLE

•

BT

Reviews

12 reviews for this Gig
5.0

(12)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    4.9
  • Quality of delivery
    5
  • Value of delivery
    5
Sort By
Most relevant
  • O
    image-docs

    omaira26

    EG

    Egypt

    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.

    $100-$200

    Price

    3 days

    Duration

    Helpful?
    Yes
    No
  • M

    morshedy_96

    EG

    Egypt

    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...

    $600-$800

    Price

    3 weeks

    Duration

    Helpful?
    Yes
    No
  • E
    image-docs

    elmorshedy

    EG

    Egypt

    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....

    $200-$400

    Price

    8 days

    Duration

    Helpful?
    Yes
    No
  • H

    husain_alnasser

    SA

    Saudi Arabia

    5

    Great experience working with Yanxia. He was clear, responsive, and took the time to understand the project properly before making decisions. The first milestone was detailed and well organized, with good attention to component selection, supply risk, and practical engineering considerations. I also...

    $200-$400

    Price

    5 days

    Duration

    Helpful?
    Yes
    No
  • F

    flowmetrix1986

    ZA

    South Africa

    5

    Working with Yanxia Xu on our PCB manufacturing and design improvements was a real pleasure. His work is consistently professional, and his attention to detail stands out. Every document he delivered was clearly structured and easy to follow, with a thorough record of the project and each change made. I'd gladly work with him again.

    $1,000-$2,500

    Price

    4 weeks

    Duration

    Helpful?
    Yes
    No
Reviews

12 reviews for this Gig
5.0

(12)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    4.9
  • Quality of delivery
    5
  • Value of delivery
    5
Sort By
Most relevant
  • O
    image-docs

    omaira26

    EG

    Egypt

    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.

    $100-$200

    Price

    3 days

    Duration

    Helpful?
    Yes
    No
  • M

    morshedy_96

    EG

    Egypt

    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...

    $600-$800

    Price

    3 weeks

    Duration

    Helpful?
    Yes
    No
  • E
    image-docs

    elmorshedy

    EG

    Egypt

    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....

    $200-$400

    Price

    8 days

    Duration

    Helpful?
    Yes
    No
  • H

    husain_alnasser

    SA

    Saudi Arabia

    5

    Great experience working with Yanxia. He was clear, responsive, and took the time to understand the project properly before making decisions. The first milestone was detailed and well organized, with good attention to component selection, supply risk, and practical engineering considerations. I also...

    $200-$400

    Price

    5 days

    Duration

    Helpful?
    Yes
    No
  • F

    flowmetrix1986

    ZA

    South Africa

    5

    Working with Yanxia Xu on our PCB manufacturing and design improvements was a real pleasure. His work is consistently professional, and his attention to detail stands out. Every document he delivered was clearly structured and easy to follow, with a thorough record of the project and each change made. I'd gladly work with him again.

    $1,000-$2,500

    Price

    4 weeks

    Duration

    Helpful?
    Yes
    No