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Dave's Circuits
Circuits designed by David Johnson, P.E.

Master Category List - Dave's Circuits
 Last Updated on: Friday, July 18, 2008 11:34 AM

Buffer Amplifiers   Bistable Multivibrator or Flip/Flop Circuits   Flashers & Blinking Circuits
 
FLASHING LED ADVERTISING BADGE #2
This circuit is similar to Advertising Badge .  It uses a CD4013 dual D Flip/Flop IC.  The 74HCT74 IC in Flashing LED Advertising Badge #1 does not always work.  As in Advertising Badge, a single lithium battery will provide months of continuous LED flashing.  It also has a tiny push-button switch to turn on and off the light flashing.

Click on Drawing Below to view PDF version of Schematic

Advertising Badge Flasher

Buffer Amplifiers   Bistable Multivibrator or Flip/Flop Circuits   Flashers & Blinking Circuits

Master Schematic Category List - David A. Johnson, P.E.
 

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