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Incubator Timer Circuit

Incubator Timer Circuit The circuit of the proposed incubator egg timer using LM741 This Egg Timer is quick, easy to use

Subwoofer Amplifier

Subwoofer Amplifier 300W Subwoofer Power Amplifier using transistor 300W Subwoofer Power Amplifier using transistor

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 […]

TV Vertical Deflection Output Circuit

Vertical TV Stand TV Vertical Deflection Output Circuit using TDA4866

Video Processor with Automatic Cut-off Control

Video Processor with Automatic Cut-off Control using TDA4686 Video Processor with Automatic Cut-off Control using TDA4686 General Description The TDA4686 is a monolithic integrated circuit with a luminance and a colour difference interface for video processing in TV receivers. Its primary functions is to process the luminance and colour difference signals from a colour decoder […]

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