[mythtv-users] LED recording indicator

[Robert Denier]

Well the two most obvious ways are using a spare serial port or a 
parallel port.  The most obvious that comes to mind is to take your 
average IR blaster and duplicate it with a visible led rather than an 
ir  one. 

You might need to compile a kernel module with a different name as 
well.  For that matter rather than building an IO interface in the 
kernel or using the one in lirc you could probably just insert and 
remove the module, with the inserted module being "pretty light on" and 
the removed module  being "pretty light off."  Come to think of it, if 
you can find the kernel code to the parallel port and figure out how to 
set lines high(or low) it should be reasonably easy.

Of course with any such hardware development work there is the chance of 
frying a motherboard attached to that port, but with care that shouldn't 
happen.

The best way might be to look for some simple usb hardware or chip thats 
supported that you can coopt for your purpose.  Of course the only 
reason this may be best is serial/parallel ports are getting rare these 
days.








Ciaran wrote:

>On Mon, 24 Jan 2005 20:50:19 -0800, M. Barnabas Luntzel
><mark at luntzel.com> wrote:
>  
>
>>something I liked about my (now unplugged) tivo, was that I could tell
>>it was recording by the red light on the front panel.
>>
>>so I was thinking, how difficult would it be to make my own? Couldn't
>>be much more difficult than making your own IR blaster. pport to LED,
>>USB to LED. maybe even one of those USB lamps for sale could be
>>purposed for this.
>>
>>anybody else thought about / done something like this?
>>
>>
>>_______________________________________________
>>mythtv-users mailing list
>>mythtv-users at mythtv.org
>>http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>>
>>
>>
>>    
>>
>
>I have an asus pundit, the hdd activity led is enough to let me (and
>my neighbourhood know that its currently recording! But your idea
>sounds cool, a little red led on the case, mmmm :)
>- Ciaran
>  
>
>------------------------------------------------------------------------
>
>_______________________________________________
>mythtv-users mailing list
>mythtv-users at mythtv.org
>http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>  
>