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Xiang Zhai
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what do we know about RPi 3

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Raspberry Pi 3 vs Raspberry Pi 2, what do we know about it now
The next big thing happening to Raspberry Pi, a credit-card size mini computer and development board after launched for 4 years, is Raspberry Pi 3 model B. As various sources have already pointed out, based on RPi's claim in FCC, the new RPi will have a on-...

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Raspberry Pi 3!

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Raspberry Pi 3 is on the way!
Several hours ago, United States FCC ( Federal Communications Commission) has published documents about an incoming  Raspberry Pi 3 submitted by the  Raspberry Pi  Trading under FCC ID 2ABCB-RPI32. The FCC link can be found here  Apparently the new Raspberr...

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3d elevation models

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me on Thingiverse
It has been a while since last time I update my blog. As I was extremely busy with my work and 2 years old, I haven't been able to find enough time playing with DIY hardware stuff. Instead, I start to do something more software. I have been converting some ...

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python 3D printer simulator

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A 3D printer simulator
Recently I wrote a python code that reads G-code generated by Slic3r , interprets the G-code, and creates a simple 3D plot that simulating a real 3D printer. It provides a nice preview of G-code. The code can by downloaded here from my google drive. If the ...

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3d printer hot end temperatuer control system

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3D printer hot end temperature control system Version 2 [unfinished]
Almost a years ago, I post the first version of a simple temperature control system ultilizing only a LM324 quard op-amp with some resistors and a MOSFET. The system is for 3D printer's hot end. The controller has two major functions: (a) turning a power re...
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