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Subject: Re: Keyboard

Re: Keyboard

From: Jiri Jurecek <jjure_at_seznam.cz>
Date: Mon, 26 Jan 2004 14:31:05 +0100

>> 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
>
Received on 2004-01-26

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