© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2024
H. H. WardMastering Digital ElectronicsMaker Innovations Serieshttps://doi.org/10.1007/978-1-4842-9878-7_9

9. Designing Some Useful Logic Circuits

Hubert Henry Ward1  
(1)
Leigh, UK
 

In this chapter we will look at how a structured design method can be applied to designing some real applications of logic circuits.

Example 1: A Design Process for a Single Set of Traffic Lights

This design process will start by creating a timing table that can be derived from the following sequence of events:
  • The red lamp comes on at time zero.

  • Five seconds later the amber lamp comes on as well.

  • Two seconds later both the red and amber lamps go out and the green lamp comes on.

  • Five ...

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