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Next: 1 Prelab

Lab 7: Sequential Circuits
How fast are you?

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In this lab you will design a sequential circuit to test your reaction speed. The basic idea is that you hit a switch as soon as you see an LED light up. The amount of time you took to react will be displayed on two 7-segment displays. Figure 1 shows the overall circuit that you will design and build. You will use a clock clk to drive a two digit counter, the w signal will be a pulse that lights the LED. The LED will turn off as soon as you hit the switch, and the signal Reset can be used to reset the counters, the display and get the circuit ready to start over.

Figure 1: Circuit for testing your reaction speed.
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Last Modified 2008-10-20