Cheapest standalone arduino?

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By Collin Cunningham
Posted 2009/01/15 @ 2:11 pm
Category Arduino

Gao writes -

Hi my master:

I has made a cheapest Standalone Arduino mini use ATMEGA8 and breadboard.
maybe you would like see it,here it’s photo on flickr:
http://www.flickr.com/photos/whaleforset/3197918087/

If you think that’s funny enough to post on makezine’s blog,,,just do it.

Thank you very much for reading and sorry for my english.

Please no apologies – you’ve obviously never read my Mandarin

Hmmm … I haven’t been keeping score on least expensive Arduino but this one certainly seems economical (depending on how much that breadboard sold for). In any case, nice label graphics! – Standalone Arduino mini pin mapping

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3 Responses to Cheapest standalone arduino?

mook on January 16th, 2009 at 6:51 am said:

Here is a surprising project.ã€€”One Chip Arduino”

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Tony K on January 16th, 2009 at 7:56 am said:

Really? Is that all there is to putting one together? Can we get some more details (required parts, how to program, etc)?

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Jason on January 16th, 2009 at 12:21 pm said:

@Tony K

Yeah, that’s the basic circuit. However, without additional hardware/circuits you wont be able to reset it (no reset button, though I suppose a wire that is touched to GND will do it in a pinch), or program it.

I built one of these before without the crystal, and I was able to use the hex files that the Arduino software created along with a home made, parallel port programmer to program it. It was a difficult setup (I compiled GCC-AVR at the same time making it even more so), but quite the learning experience.

I have to say, though, that I was disappointed with the performance without the crystal (I recommend adding it, even though you’ll have to burn the clock fuse). PWM signals are a little inaccurate without it (caused flicker with my test LED). And, I’d go with a home made serial programmer instead of parallel since you’ll be able to use the Arduino software to program it directly (no need to use avrdude)

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