Re: Working 9100 Keyboard adapter

Just one rather important word of warning!!

I've been looking into in-circuit programmers like the ICD2. If you
are going to connect up an in-circuit programmer then you MUST
disconnect the 9100 from the adapter before programming. If you don't
you will send up to 13v down the reset pin of the 9100 and that can't
possibly be good.

Up until now I've always programmed the PIC in an independent
programmer which is of course fine. I'll update my design to use a
separate pin for reset ASAP (I actually had it that way in the first
place but changed it to save a couple of bytes of code and some wire).

Martin.

On 28 Feb 2008, at 04:02, Pat Danis wrote:

> Fabulous. Thanks for taking this on. I reviewed the pertinent
> sites and wouldn't even know where to begin.
>
> pat D.
>
> martin@guddler.co.uk wrote:
>> Hi,
>>
>> In case anyone is interested, I've just posted details on a working
>> keyboard adapter on my website:
>>
>> http://www.guddler.co.uk
>>
>> It's in the "Projects" section. I've been using it here for a week
>> or so now.
>>
>> Thanks to a virtual machine causing a kernel panic and corrupting a
>> couple of the project files I have a bit of work to do before I can
>> post the source code, but I've put my BIN file from my working PIC
>> there until then. I also have a USA keyboard in my possession too
>> so that's being worked on over the next week or so (GB keyboard
>> right now).
>>
>> All the details are on my website, although there do seem to be
>> some DNS issues with the site at this precise moment (typical!)
>>
>> Let me know off list of any problems.
>>
>> Martin.
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Received on Thu Feb 28 19:55:31 2008