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Posts tagged 74HCT74

AutoScout Time Out with On Off Circuit

Automatic Time Out with On Off Circuit using 74HCT74, 4013

Which technique uses in IR remote control systems?

harsh2035 asked: IR remote system uses in TV, DVD players etc.. is very sensitive, gives perfect result from some distance. When I tried to make very simple remote system which can be found on “http://www.electronic-circuits-diagrams.com/alarmsimages/alarmsckt19.shtml”, it results very less sensitivity, when emitter is almost 2m apart from sensor it stops to respond. Moreover it consumes […]

STK Power Amplifier Circuit

STK Power Amplifier Circuit STK4192II Power Amplifier Circuit STK Power Amplifier Circuit This design is based on the 50 Watt Audio Amplifier, and was developed mainly to satisfy the requests of correspondents unable to locate the STK4192II STK Power Amplifier Circuit

LED Circuit

LED Circuit Simple High Power LED Regulator Circuit using BD140 and BC549

Driver Speed Control Circuit

Driver Speed Control Circuit Driver Speed  Control Circuit

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