Miesięczne archiwum: Wrzesień 2015

ShenZen2U PCB Prototyping Review

http://www.shenzhen2u.com/PCB – cheap Chinese PCB Manufacturer review

My order:

  • PCB
    • 2 layers
    • max 5cm x 5 cm
    • 10 pieces
    • PCB Thickness: 1.6mm
    • Copper thickness: standard – 1 oz/ft2 = 35um
    • Surface finish: HASA
    • Solder mask color: Green (additional fees for other colors)
    • No sub-boards
    • 100% E-Test
  • Stencil – frameless 19cm x 29cm

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Cheap PCB prototyping & manufacturing in China – reviews

Review of some Chinese PCB prototyping services and manufacturers

I’m in progress of testing some of cheap Chinese PCB manufacturers. I’m going to try to write detailed description for each of them.

Tested so far:

JLCPCB.com

Link:
https://jlcpcb.com/

Review:
JLCPCB.com – The best value for money PCB Service in 2017

SeeedStudio Fusion

Link:
https://www.seeedstudio.com/fusion_pcb.html

Review:
SeeedStudio.com Fusion – New PCB Services from popular DIY and prototyping company

Dangerous Prototypes

Link:
http://dangerousprototypes.com/store

Review:
Dangerous Prototypes – PCB Manufacturer Review

DirtyPCBS

Link:
http://dirtypcbs.com/

Review:
DirtyPCBS.com – PCB Prototyping review

shenzhen2u

Link:
http://www.shenzhen2u.com/PCB

Review:
ShenZen2U PCB Prototyping Review

smart-prototyping

Link:
http://smart-prototyping.com/PCB-Prototyping.html

Review:
Smart Prototyping – PCB Prototyping review

ShenZen2U and SmartPrototyping looks bascily like the same company. But they are not (as SmartPrototyping explained).

AMD AM1 (Athlon 5350) Real power consumption

Rationale

A few days ago I was building rack 19″ server based on AMD Athlon 5350 CPU. The main goal was to create a hardware set that will operate on wide supply voltage ranges (48V, 24V, 19V) and will be power efficient.

I decided to take a look at quite cheap AMD AM1 Athlon APU with TDP said to be 25W.

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