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Subject: Re: Keyboard
From: Joseph Jones (joe_at_bumpycarrot.cjb.net)
Date: 2004-01-26


Jiri Jurecek wrote:
>>> After lots of searching online, I found the Handspring Visor has exactly
>>> those properties (It gets its power off the rcv line as well as using it
>>> as a recv line).
>>
>>
>> What does a keyboard need a receive line for? I thought it's just
>> unidirectional, transmitting. Or are you referring to the other
>> (Archos) end, where
>> it's called receive?
>>
>>> It's just a case of buying a keyboard for the handspring visor, and
>>> changing the plug on it :)
>>> Has anyone tried hooking modems/mice/etc up to any archos devices?
>>
>>
>> I hooked some strange things to the remote pin of the JBR: infrared
>> receiver, car stereo:
>> http://joerg.hohensohn.bei.t-online.de/archos/infrared/archos_ir.gif
>
>
> Is somewhere info how to use this IR-receiver with RockBox firmware?
> How can Rockbox learn keycodes for specific remote control?
>
> Jiri
>
>> http://rockbox.haxx.se/mail/archive/rockbox-archive-2003-11/0476.shtml
>>
>> The RX pin has an internal 1K pullup to 3.3V. So if you want to power
>> your
>> peripheral from there (like I do with the IR receiver), you must not
>> draw more
>> than, say, 1mA. Some boxes are rumoured to have weaker pullups, makes it
>> difficult to power from there. After all, the Archos cable remote uses
>> a button
>> cell.
>>
>> How much does your keyboard draw?
>>
>> Jörg
>>
>
>
>

Whoa! I missed this when my mailbox got full (was without the net for a
week). Have you done the required code, Jimmy? This would be pretty cool.

Oh, one thing I thought would be cool would be serial-link games, but
then you'd need two people with JBRs, which isn't particularly likely.

Joe



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