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nubee 1
Nov 08, 2007, 05:51 PM
I would like to light a Depron scratch built with green, red, white & yellow LED's. I need an easy blinker circuit for the 4 bulbs. Question ? ? How about putting a pair of UV LED's on side of fuselage (black) to work the white depron wings . And could all this be powered with a 9 volt battery ?

I can solder well but need circuit. Draw me a picture and I can build it.

HELP PLEASE :confused:

Malc C
Nov 09, 2007, 07:59 AM
If all you want is all the LEDs to randomly flash on and off then simply use LEDs that have a built in flasher cct. If on the other hand you want some sequenced flash pattern then you'll need a PIC micro or some logic / decade counter driven by a NE555.

Yes you could use a 9v battery, provided you use the correct dropper resistor in series with the LED.

Use the search this forum function and you'll find lots of previous discussions as this question comes up quite regularly

nubee 1
Nov 10, 2007, 01:16 AM
Yep I found some red ones to go with the green white & yellow.
Guess I'll just use a receiver battery as I have several not being used.

Still thinking about the U V bulbs in the side's of the fuselage with white wings.

Ken