Saturday, August 20, 2016

Joule Thief circuit using step up mini transformer

Simple high current joule thief circuit using simple component mini step up transformer, TIP41C NPN transformer, and 10KOhm Potentiometer. This can power up multiple 8 Volts LED at once in parallel connection.



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Adjustable DC to DC step up voltage booster using LM2577 -Adj P+ chip

One simple circuit to step up voltage using LM2577 -Adj P+ chip. The schematic is from Texas Instrument and it works expected - and below is...