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djugashvili
05-10-2002, 04:25 PM
can this flashing sticker for Nokia be made? how many LEDs maximum?
Sinister Frog
05-10-2002, 08:56 PM
i know of one with 12 bright LEDs
it does however have its own battery (CR2016 I think)
zufi110pk
19-10-2002, 12:59 AM
pls check this site
http://space.tin.it/scienza/fladelle/Page47.htm

Cellular Phone calling Detector
Flashes a LED when detecting an incoming call
Powered by one 1.5V cell
:)
you can use its transistor side to trigger some other circuit.