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Subject: Re: remote control
From: Andrew Jamieson (
Date: 2002-10-10

The design for this would be trivial once the bidirectional comms are
figured out. I will bash out a schematic for this only, if you want.
However, I think the remote should be an integrated device to get the size
down. The code would be quite easy to cut down from a full remote to just a
'black box' I think.

As to the production, I can make the 'black box' schematic use standard
through hole parts that should be available at your local electronics shop
(where-as the remote will probably be composed of harder to find SMD parts).
This should be easily prototypable on vero board or such like. If there is
enough interest in a 'black box' only, a single layer PCB that is relatively
easy to home produce would could be designed simply enough.

This topic seems to be streching on a bit. There only seem to be a few ppl
(such as myself) keeping it alive. Maybe we need to organise an IRC time
for this discussion? Or maybe there is a silent majority who are interested
in this, and don't want to see it moved to a closed forum? I will away for
a week or so in a few days, so my contributions will be placed on hold for
this duration.


----- Original Message -----
From: "Stuart Tedford" <>
To: <>
Sent: Thursday, October 10, 2002 6:30 PM
Subject: RE: remote control

> More comments:
> I would like a more modular approach to the remote hardware. I would
> like to see a cable implementation of the hardware layer. So it would
> a jack plug at each end with a small (hopefully RockBox powered) "black
> in it. Then that could be plugged in to any actual remote hardware that
> would implement the upper layers of the protocol.
> Then I could make a simple adaptor to break out the audio lines, and data
> lines could go to my PC or Palmtop etc.
> Then someone else could make a full blown inline LCD remote to their own
> design.
> And someone else could make a simple non-display remote.
> And someone else could make an adaptor to emulate a CD changer for their
> stereo.
> All using exactly the same font end hardware.
> I don't have access to PCB production facilities, and its been a long time
> since I did any SMD soldering, so I think this solution would suit a wider
> audience like me - people who want to connect RockBox to some other
> device they already have. That would mean that this cable hardware device
> could be produced in a much bigger batch.
> Stu.

Page was last modified "Jan 10 2012" The Rockbox Crew