An Arduino is a wonderfull thing, and i encourage everyone to support the project by buying one legit one. There are however also some cheap clones for sale on ebay like this one:
It's a NANO DCCduino, and it's pretty much an exact copy of the original Arduino Nano. I bought this online about a year ago for real cheap. I then forgot all about it untill now when my other Arduinos are occupied in other project and i just felt like testing the new servo i got in the mail today.
There were however a real issue with this knockoff. Unlike real Aduinos that show up in device manager as an "Arduino" this clone looked like this, and i was not able to upload my sketches:
Now the reason for this is that these chips dont use the FTDI chip as the regular Arduinos do. They in stead use CH340G for interfacing thru USB. And as such this requires a different driver set.
In one way this is a good thing, considering the recent FTDI anti-pirate trickery.
The CH340G driver is available for download from:
http://www.5v.ru/ch340g.htm
And a mirror for the installer here:
https://drive.google.com/file/d/0B6AihF9gdNcnSGtkVFYzM080NUE/view?usp=sharing
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