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May 11, 2011 at 20:44 comment added charliehorse55 I don't think you are understanding what I am saying - just buy an ATMEL 328P. Download your code to it through the arduino, and then take it out and place it on a breadboard. You will now have 2 328Ps, one of which will remain in the arduino while the other will sit on his project breadboard.
May 11, 2011 at 16:04 comment added Matt Garrison This is just a minor step up from breadboarding, and you're still not able to reuse the Arduino which makes the final device much more expensive than necessary.
May 11, 2011 at 13:52 comment added charliehorse55 I would just get an the exact chip that your arduino has. Then you won't need to worry about getting any other chips (like a programmer) you can just put it into the chip socket on the arduino, program it and then put it into your circuit. Even though you won't be using a lot of the features the chip does not cost that much so it's worth the ease of use.
May 11, 2011 at 12:59 comment added AndrejaKo @Steve Next analyze part names. They will tell you some basic information about the part itself. For example the mega or tiny tells you what type of features to expect from the unit. First couple of digits tell you the available flash memory. It's usually 4, 8, 16, 32, 64 or 128 KiB. The rest or the digits I couldn't decode. Next, for each device, there's a short summary. If you click on the name and then click on the documents, you'll find its summary. Download the file and read it. It contains the basic information about the device and should be good enough for start.
May 11, 2011 at 12:47 comment added AndrejaKo @Steve Since you mentioned that you don't know how to pick the minimum chip, here are some tips: First familiarize yourself with Atmel's site. Two pages which are worth putting in favorites are the megaAVR and tinyAVR pages. They have descriptions of AVR microcontrollers you'll be mostly using.
May 11, 2011 at 2:58 comment added Steve I guess that gets a bit more to the underlying question. I am trying to learn some electronics, how do I determine the 'minimum' chip I would use or even what chip would do the job. How do you learn that sort of stuff? It seems like such an 'how long is a piece of string' type question that I don't even know where to start.
May 11, 2011 at 1:41 history answered charliehorse55 CC BY-SA 3.0