Digital Timer Circuit Design. This circuit is flexible to adjust required time. This article discusses an overview of the digital timer and its.
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The timer is an electronic circuit that produces periodic signals to the system which can change the state of that digital system. This timer provides accurate results than traditional clocks. The timer circuits are used to produce time delay intervals for triggering a load.
As soon as the pin2 of 555 timer ic is triggered the timer will start timing and led will be turned off.
First part of design involves designing the astable multivibrator arrangement of 555 timer. Using simple 555 timer we can design an adjustable timer switch. Resistors 120k ohm 10k ohm. The circuit employs the ic4049 for the required not gates which are configured as voltage comparators.
