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More  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

Circuit Advertising Badge Flasher

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

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