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Simple Alarm Circuit using 12C509

alarm circuit diagrams Simple Alarm Circuit using 12C509, 2N7000, 78L05

Fm Receiver Radio Digital Circuit

Fm Receiver Radio Digital Circuit using SP3232EB, PIC24FJ64GA002, LM1117, LM7805

Simple Flasher Circuit Using Relay

Simple Flasher Circuit Using Relay, 40104, 45104, 74C14, 2N7000

Circuit diagram keytop and display for electronic devices

Circuit diagram keytop and display A keyboard “key figure” who work with electrical contact between the surface of the keyboard and the underlying circuit when pressed keytop area, used by some home computers the early 1980s, and has been widely used in consumer electronic devices.

How to make electronic fireworks ?

How to make electronic fireworks ? 1. Assembly provided the fireworks, but no axis because, to make this electronic fireworks we use battre lights instead of 3-volt fuse. 2. Lamp used was 3-volt lamps batrey have broken glass but do not break element. 3. It into the input light fireworks, and fireworks in the lid […]

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