[mythtv-users] IR Blaster not always changing channel
Brian Wood
beww at beww.org
Thu Dec 16 03:57:20 UTC 2010
On Wednesday, December 15, 2010 08:44:02 pm Chris Tepe wrote:
> On mine I have the emitter taped to the IR extender that came with
> the STB and taped over the ir port on the box itself. since the
> emitter box has an 1/8 jack for the emitter and the STB has an 1/8
> jack for the extender. Is it possible to just hard wire the two
> together and eliminate the ir sender and receiver ends?
> Chris
Sounds like something I'd try, but I fry a lot of gear.
But you really want to know what the voltage levels are, perhaps take a
peek with a scope. It might work, or you might have to design a little
one transistor buffer amp, maybe an emitter follower, to match things up.
Or perhaps an OpAmp would work, something like a 741.
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