Led Voltmeter

Led Voltmeter

The heart of the circuit is the LM3914N dot-bar volt meter IC, U2. This chip is operated in the expanded-scale mode.



  1. Rahim Rahi September 23, 2012 7:02 pm 

    circut is not compleat

  2. syam April 30, 2014 1:30 pm 

    Pleace send me complete circuit to mail syam_site@yahoo.com. thanks before

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