15v led flasher version b


Posted on Feb 5, 2014

Circuit To squeeze even more energy from a alkaline battery cell, this circuit adds two transistors to a circuit similar to the above design to boost the efficiency. A small 1. 5 volt alkaline N cell should flash the LED for a full year. It too uses a `charge pump` technique to provide a LED the needed voltage.


15v led flasher version b
Click here to download the full size of the above Circuit.




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