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English
$
USD
I will design, review, guide schematics, pcb, pcba, jlcpcb, china,production, firmware
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 1
Has met certain performance criteria and shows strong potential in the marketplace.
Highly Responsive
Known for exceptionally quick replies
What people loved about this freelancer
omaira26
Egypt
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...
morshedy_96
Egypt
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...
elmorshedy
Egypt
Outstanding quality and professionalism! I hired Yanxia for PCB manufacturing, assembly (SMT), and thorough testing of my boards. He delivered top-notch results...
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)
Other Electronics Engineering Services I Offer
FAQ
Can you work according to my time zone?
Yes.
Do you only design PCB, or do you also guide the manufacturing process?
Yes
You mentioned that you provide initial PCB validation. Could you explain this in more detail?
Yes. Initial PCB validation means verifying that the basic functions of the board work as expected after manufacturing. This typically includes power-up checks, basic signal verification, communication interface testing (such as SPI, UART, CAN), and identifying any obvious design or assembly issues.
Reviews
8 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
O 
omaira26
Egypt
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
Y 
Seller's Response
Helpful?M morshedy_96
Egypt
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
Y Seller's Response
Helpful?E 
elmorshedy
Egypt
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
Y Seller's Response
Helpful?L lucas17017
United States
The attention to detail and specificity in the review of my schematic and PCB was really amazing.
$50
Price
2 days
Duration
Y Seller's Response
Helpful?S seattle2026
United Kingdom
very nice guy!
$50
Price
2 days
Duration
Y Seller's Response
Helpful?
Reviews
8 reviews for this Gig
| (8) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
O omaira26
Egypt
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
Y Seller's Response
Helpful?M morshedy_96
Egypt
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
Y Seller's Response
Helpful?E elmorshedy
Egypt
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
Y Seller's Response
Helpful?L lucas17017
United States
The attention to detail and specificity in the review of my schematic and PCB was really amazing.
$50
Price
2 days
Duration
Y Seller's Response
Helpful?S seattle2026
United Kingdom
very nice guy!
$50
Price
2 days
Duration
Y Seller's Response
Helpful?
