It is outside the theater room, to the left of the entrance door. It is a mess right now since the bathroom is not yet complete, but I put up some shelving that can hold the weight of all my gear and it is sitting on the shelves. I run an IR Extender to get the IR signal out of the room to the HTPC. Keeps the light, heat, and the sound out of the room.
After everything was done, I realized I did not have a direct line of sight to that IR receiver from the back row because the chairs in the front row were blocking it! I fix that, I added this to the soffit above the screen. The cover comes off easily so I removed it and painted it black. http://www.buffaloelectronics.com/infrared/ir250.htm
I used this IR Transmitter Eyebud to transmit the signal to the Windows MCE IR Receiver plugged into the HTPC. I had tried one of the IR Eyebuds I already had, but they did not work. Luckily, I had ordered a kit and had one of these to use. No idea why my other Eyebud did not work. It was old so it might just have been broken.
I ran a non-terminated CAT5e cable between each of the receivers and the repeater, then plugged an IR Transmitter eyebud into the receiver and stuck it on the HTPC IR receiver. I also plugged two mono 2.5mm (I think) mini-connector cables into the repeater. One was a male - male cable and was run to the IR Input on the AVR, the other was a male - female calbe and one to the projector. At the projector side I used another Eyebud, connected into the extension cable and stuck over the IR Input of the projector. I think I bought my kit here:
After a brief hiatus that involved the fact that some people actually have a life (not me, Chris my friend and builder), we are starting the basement bathroom. The only thing left in the theater room itself is the blackout window blind that I just received and have to put up and the end cap for the plasma track on the ceiling that needs to be fabricated. The end is in sight!
I only worked when I both had money to buy things and time to work - so it takes a bit longer that way. Of course, it is 100% paid for so far, so that is nice.
More pics, this time of the bathroom being installed outside the theater room. Once done I will no longer have to run up a flight of steps just to pee. It is a pressure assisted, wall mounted, low volume toilet. Yes, I will have to move that light.