16 stage bi directional led sequencer


Posted on Feb 6, 2014

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 provides the clock signal for the counter and the rate can be adjusted with the 500K pot..


16 stage bi directional led sequencer
Click here to download the full size of the above Circuit.




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