The bi-directional sequencer uses a 4 bit binary up/down counter (CD4516) and two “1 of 8 line decoders”74HC138 or 74HCT138) to generate the popular “Night Rider” display. A Schmitt Trigger oscillator ...
The main intention of this circuit is to build a system wherein the number of persons entering or leaving a room has to be displayed on a screen. This is one of the best and very useful circuits in ...
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