[mythtv] advice wanted - building my own remote control

Simon Kenyon simon at koala.ie
Fri May 11 14:26:12 UTC 2007

Nathan Ford wrote:
> A company called Grayhill makes rotary encoder/ joystick devices.
> Might be a bit too large for your application (casing is .65 in,
> thread and shaft are taller), but still a cool device none the less.
> They turn, they have 8 points of direction (+x, -x, +y, -y, and
> combinations), and you can press it like a push button.
> Grayhill 60A18-4-040S
> --Nate
> On 5/11/07, Simon Kenyon <simon at koala.ie> wrote:
>> Colin Guthrie wrote:
>>> Nick Morrott wrote:
>>>> Using a rotary encoder for volume would be a nice ergonomically, but
>>>> could take up too much space on the remote depending on button size. I
>>>> wouldn't use it for channel changing, which should (IMO) be a clear
>>>> single up/down event. Just imagine the confusion MythTV could have
>>>> when trying to change channel (inherent tuning delay) when the target
>>>> channel keeps changing.
>>> Hmmm, I'm not sure. Perhaps is Myth is modified to show a splash screen
>>> (e.g. the channel's icon) while using a rotary channel changer could
>>> actually make for a very nice UI... Yes the tuning delay is there but
>>> moving quickly through a dozen channels would become very easy. If the
>>> rotary thing clicked (e.g. felt tactile) then it would be pretty easy to
>>> limit it to one channel in either direction.
>>> All that said the remote would be pretty crazy if it had this ;)
>>> Col
>> i have two ideas for the casing.
>> the first is solid oak - yes i know it sounds pretty stupid (and heavy)
>> but it would match the cabinet that i have all the equipment in in my
>> sittingroom.
>> the idea would be to route the insides out of it from behind and poke
>> the keys through holes in the front. i cannot but them up against each
>> other because the switches that i have have legs on their sides which
>> preclude that.
>> so i would route 12x12mm squares in the front. might be hard work to get
>> everything lined up.
>> the second idea is to make it out of perspex and expose the internal
>> gubbins to view
>> sort of like the original imac. a front and back sheet of perspex
>> separated by spacers with the pcb in between.
>> in either option the encoder(s) would fit.
>> anyway, this is an experiment. i'll make somethign and see how it works
>> in practice.
>> a set of 10 encoders (on ebay from china) are costing me $16. and that
>> includes the knobs.
>> simon
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the ones that i have order are from bourns

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