Reply to "FLASHING LITES SWITCHING UNIT"

RRDOCOGR Forum Member DIGITAL SUBSCRIBER

To get the pulsating effect you have a couple of options, both using LEDs.

DIY option: Do a web search for Pulsating LED or Throbbing LED circuits. These use a 555 timer. There are easy to follow YouTube videos on how to construct the circuit. To drive 6 LEDs you can power it with 9 volts DC and run 2 strings of 3 LEDs with a dropping resistor. Or you can run all 6 LEDs in parallel each with its own resistor.

Ready made option. Ngineering makes all kinds of flashing circuits. They do require a some soldering to attach power leads and LED leads. To run 6 LEDs you will need N 8071 Tower Beacon/Strobe Simulator and N 8103 Booster board. They include detailed instructions including how to connect multiple LEDs and what dropping resistors to use. This is much more costly ($28) than the DIY option, but worth it if you are not comfortable building circuits and figuring out LED dropping resistors.

Bob Glorioso

12/17/1812:44 PM

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