Re: TI-H: Add LEDs to your link cable!


[Prev][Next][Index][Thread]

Re: TI-H: Add LEDs to your link cable!



Mel Tsai wrote:
> 
> >I have heard a lot of people saying my design won't work, but it
> >DOES.  I haven't yet tried it on the TI-TI link cable, but I have
> >successfully built this for the parallel link.  With the 10,000 ohm
> >resistors, the LEDs draw an extremely small amount of electricity
> >(about .0003 amps) which is far too small to affect any link
> >transmissions.
> 
> It works for the parallel link because the parallel link is sourcing
> all the current.
> 
> But, the TI link itself can only supply maybe .2 or .3 milliamps
> before it will be pulled to ground (probably less).  The max
> theoretical current out of the linkport is 0.5 milliamps but that is
> impossible to utilize since the voltage at that current is zero.
> 
> -Mel
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> -The TI-Memory Expansion Homepage
> -http://www.egr.msu.edu/~tsaimelv/expander.htm


References: