DIY Clearcom Call Signal Flasher

[microstar]

I bought one of these:
http://www.ebay.com/itm/Intercom-Si...739?pt=LH_DefaultDomain_0&hash=item4ada4cc35b

Not particularly sturdy, but it works OK and has selectable tone volume. Quick delivery.

 

[WooferHound]

http://led.linear1.org/led.wiz

 

[MrX]

http://www.checkcheckonetwo.com/forum/showthread.php?979-Com-Strobe

 

[Jay Ashworth]

This thread having been exhumed by reference from another, I'll point out these, which might be useful with the appropriate dropping resistor, as well:

http://www.ebay.com/itm/Super-Brigh...Hard-Light-Shop-Store-Window-12V/371767924807

I'm going to grab a set of these myself and try them; you could wire just the one or two color(s) you preferred, so there seems little sense in chasing monocolor ones down.