Sequential Flasher

Posted on May 29, 2012

Using a 555 timer to drive a CMOS counter, this device uses RCA CA3079 zero-voltage switch to control triacs TR1 through

Sequential Flasher
Click here to download the full size of the above Circuit.

TR4. This circuit can be used to sequence lamp displays, etc. Caution: The CA3079s are connected to the 117-V line, as is the clock and counter circuit and their power supplies. Use caution, good insulation, and safe construction practices.

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