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Anyone who know where to look for material if I want to add functional headlights/searchlights to a tank? I've seen it before here on dakka...

Electronics supply shop? sounds like you want a battery, some led's, a switch and some wire.. nothing to complex?

Maybe not so complex, just that I have never done it before... thanx anyway!

It's not so bad to do. A single 6V battery hidden away somewhere inside the tank is more than enough to power multiple LEDs. Just make sure to put a resistor in series with each LED to prevent over-current on them. (HINT: If the LED looks like its glowing too brightly you probably don't have a big enough resistor out front, if the LED is dim you could probably come down a little in size.) For most LEDs of that size a resistor of 450 to 680 ohms (common sizes) will probably work just fine.

KO


EDIT: Also make sure to protect your wires from each other (electrical tape at the resistor and LEDs, soldering the LED to the resistor and adding a shrink tube will help a lot at this). You don't want to cause a short because not only does it smell bad you'd ruin the tank and where is the fun in that. I've seen a few things ruined by people not making sure to protect wires from each other.

I've used Digikey (http://www.digikey.com) and mouser (http://www.mouser.com) they both sell the majority of components you would need (chip LED, switch, coin battery and micro switch.

Thanx for the hints and tips, guys!

Found this webpage that might help, I haven't done it, and probably won't but it might help.

http://fragged.nu/hobby/40k-workshops/space-marine-rhino-interior-lights-guide/