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Automotive 0v to 12v InPowered Indicator

Automotive 0v to 12v Electrical Voltage Indicator using 74HC04, 74HCT04

Making a joule thief

Making a joule thief How to make a joule thief charger ? This is a very interesting circuit, it will drive 6 volt led from a single 1.5 volt cell. How to make a simple joule thief – Here are the schematic diagrams that are involved with the joule thief circuit A joule thief is […]

led driver circuit diagram

High Power LED Driver Circuit Diagram how to use led driver ? led driver schematic – efficient led driver circuit

battery charger schematic

Dry Cell battery charger schematic using LM741, 4011, BD139, BC548

USB to Serial Converter

Making USB to Serial Converter using  Tr BC557 and BC547

home stereo amplifier using uPC1316C

home stereo amplifier using uPC1316C

Transformerless power supply design. Part : 2

Transformerless power supply design Transformerless power supply design 5V Transformerless power supply design using 7805 Transformerless power supply design This circuit is a small +5V power supply. … and variable power supply circuit of 12 volts using IC 7805 and not any operational amplifier. Transformerless power supply design

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