Pre Lab Engineering, engineering homework help

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Question Description

1. Draw out a state machine that will cycle through displaying different digits on the multiple digit seven segment display. How quickly should that state machine cycle through the digits so that the digits don’t appear to blink? Research persistence of vision if you need more information.

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Tutor Answer

School: Duke University

Two clock signals were designed, one at 1 Hz which is the time it takes to change from one number to another, and another 50hz that is responsible for switching the displays, a frequency greater than 50Hz is necessary so that the human eye does not I detect the on and off of the LEDs that has the 7 segments (Frequency should be greater than 30 H...

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