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[trials_modder]

what would be the easiest way to add a 3 mm red led that turns on when ir is detected using this guide: http://www.linuxjournal.com/article/8811 ? i know i don't want to use another transistor if possible (because space is tight), so I was thinking perhaps the led and some unknown resistor value (100 ohms sound good?) in parallel with the data pin and serial pin 1

[I LOVE ED]

Not sure about LIRC, but WinLIRC has a systray icon that "lights up" on activity.  That's what I use to see if the receiver is picking up my remote.  I'm gonna have to check the article I used to create the same circuit if that had an additional indicator LED.

[trials_modder]

well i have home theatre software that fullscreens the desktop, so i wouldnt be seeing any indicator from winlirc. i'd really like to have it hardware side too

[trials_modder]

Here's the suggested circuitry for it:

So I was hoping to insert the LED perhaps between the R1 junction and GND

[I LOVE ED]

picking my head here, i think i remember seeing snow_veil having an IR circuit with the indicator LED.  That was way way back.  Hopefully he would still have the circuit, or at least the schem.