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Archives for May, 2014

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 […]

Op amp using IC M5152L and LA4440

Op amp using IC M5152L and LA4440 Op amp using IC M5152L and LA4440

PCB Booster tube and light flow control valves using 12AU7

PCB Booster tube and light flow control valves using 12AU7 A 12AU7-based booster and light overdrive running at 9 volts.  A very fun little circuit that has a minimal parts count and actually generates a good amount of boost and some overdrive. You can even run this one of a 9 volt battery if you […]

Switching driver Circuit

Switching driver Circuit using 2N2222, Relay, LDR

Audio Amplifier Circuit

Audio Amplifier Circuit using IC TDA8571 audio out 40w x 4 , This complete high quality, and low noise . Part : C1 100 nF C2 2200 µF C3 470 nF C4 470 nF C5 470 nF C6 470 nF IC TDA8571

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