Hands on with the super tiny arudino: FemtoDuino

2013年2月12日 | By News | Filed in: News.

http://feedproxy.google.com/~r/hackaday/LgoM/~3/K95ebIwTXXY/

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We originally heard about the FemtoDuino last year. It looked good enough and tiny enough, but we didn’t really have a need for it. Recently though, we started on a new project (which you can follow on the forums!) which required an easy modification to an existing circuit. Space and weight were quite important so we decided to pick up a couple femtoduinos at $25 each, and give them a try.

These things are tiny. Their foot print is 20.7×15.2mm. You can see in the picture below, with a quarter for reference. Tiny. Frankly, there’s not much to say about them. They’re an Atmega328 that is arduino compatible. I plan on using my redbull Arduino to program this thing, since you need to bring your own serial interface.
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If you’re anything like me, you have atrociously sloppy soldering and shaky shaky hands. I was a bit concerned about actually getting those wires soldered in without bridging the pads. I was able to pull it off though.  Here’s a video so you can see how horrible my soldering technique and equipment are.

I really don’t have any complaints about this thing, it works just like an arduino but smaller. The closest thing to a complaint is that the silk screening is a bit blurry making it difficult to read which pins are what. It isn’t horrible, but it isn’t perfect either.  We really couldn’t think of much else so we decided a haiku would cover it.

one arduino
much smaller than a quarter
Femtoduino

Of course, if you want to follow along and see if I end up with complaints, you can watch me build these battling star wars themed R/C cars.

Filed under: arduino hacks, reviews


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