I'm trying to control an Olympus camera (E500) with Arduino. I connected an IR LED to an output pin which is triggered from arduino once a button is pressed. The produced IR signal makes the camera to shoot a picture. The whole thing works fine but only within a range of 50cm circa and only when the camera faces the led - with small deviations from this position the camera will not see the IR. I guess this is because the light produced by my LED is too weak.
Would things go better if I connected multiple LEDs looking at different directions? Should I use external power supply of 12 Volt for my LED and trigger it from the base of a NPN transistor (common collector circuit)? Should I try some other type of LED? Any suggestions?