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Posts tagged Protection

Loudspeaker Protection Circuit is really simple

Loudspeaker Protection Circuit is really simple, but the function Loudspeaker Protection Circuit is very important, because the Loudspeaker Protection will provide protection to Loudspeaker and other component. Because if the DC current flowing to the speakers must be disconnected as soon as possible. There are several issues that need to be resolved to ensure that […]

RELAY driver CIRCUIT WITH OPTICAL ISOLATION

RELAY driver CIRCUIT WITH OPTICAL ISOLATION using PMV30UN

LED Circuit

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

The high tones

The treble controls the high tones, middle the mid-range tones and bass controls The treble controls the high tones, middle the mid-range tones and bass controls

Circuit can be used for multiple Camera – Switch to monitor

Circuit can be used for multiple cameras with one monitor. The circuit can be operated manually or automatically. When operated automatically the switch will be connected to the output of 555 astable multivibrator that will send a continous square wave in the 4017 counter. When counter is running, the 5 transistor will switch one by […]

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