[mythtv] OT: Question about IR Blaster Circuit
Tue, 31 Dec 2002 00:22:05 -0000
Pin 5 is ground, but the other pins are at either +12V or -12V. Thus,
pin 5 can be used to source or sink depending on what the other end is.
> I've got a question about building the IR circuits.
> I am no electronics wizz, so I showed the circuit layouts to
> my friend. I showed him the IR receiver from
> and the IR
> transmitter from http://www.blars.org/blarslirc/. He noticed
> that the receive diagram uses pin 5 for ground, but the
> transmit diagram seems to use pin 5 for power (?). Again, I
> couldn't solder my way out of a paper bag, so I was wondering
> if anyone can make sense out of the two diagrams.
> If the pin-outs for the transmit circuit are incorrect, what
> _should_ they be?