Re: [Amforth-devel] Atmega<any> support

[Kalus M. <mic...@on...>]

Hi Andy.

I see.
Do you think there could be an 'drop in' solution for an 1284 in a  
jumper box?
http://parts.digikey.com/1/parts/290826-jumper-box-db25-male-db25- 
female-ab973-r.html
Will it fit into the holes of the borad that is in there already?

In such a box it would be a nice 'of the shelf' micro for rough  
environment. Femal side has the ports, male connects to terminal and  
programmer.

Michael


Am 22.08.2010 um 22:27 schrieb an...@ki...:

> Michael
>
> I have yet to document and put up the board design I am using as it  
> is a
> work in progress.
>
> The techniques I use to make PCB's at home I have already  
> documented here:-
>
> http://aka47.adsl24.co.uk/serendipity/index.php?/pages/sspcb.html
>
> This is where I will also document the minimalist microcontroler board
> design I am using. It is a single sided PCB easy to make at home.
>
> Most design work is sort of iterative in that I do a design and  
> then try
> out making it to discover where I did something wrong. Followed by
> modifying the design and then trying it again until I am happy with  
> the
> end result.
>
> The design itself is OK I am just iterating on the PCB layout to  
> get to
> something that is easy for other folk to work with. It is nearly  
> there.
> I am just making some of the pads a little larger to make it easier  
> for
> learner solderers. Then I can Document it and put all the files on  
> line.
>
> The need to enlarge the pads was something I found when building up a
> pair of 644p boards to take the 1284p devices. These will be set up at
> the full device clock of 20Mhz.
>
> The version of the PCB when I put the details up should be 1.2  
> (1.0, 1.1
> are the previous iterations).
>
> For etching I use the Copper Chloride method documented here :-
>
> http://www.instructables.com/id/Stop-using-Ferric-Chloride- 
> etchant!--A-better-etc/
>
> Sorry I am not big on video.
>
> But hope these help
>
>
> Cheers
>
> Andy Kirby
>
>
>
>
> On 22/08/10 18:51, Kalus Michael wrote:
>> Hi Andy.
>>
>> I'd realy like to take a look over your sholder when you do "built a
>> couple of boards up" - video? How do you do it?
>> Michael
>>
>>
>> Am 22.08.2010 um 19:02 schrieb an...@ki...:
>>
>>> Thanks mathias
>>>
>>> I have just received a couple of 1284's and built a couple of
>>> boards up
>>> with them so should be able to try it out over the next week.
>>>
>>> Cheers
>>>
>>> Andy Kirby
>>
>>
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