Set/reset buzzer 3
Électronique / Electronic

Here's another version of our last two Projects, This time we used a NAND multivibrator and an R;S flip-flop made using transistors. (Set/reset buzzer 1 and Set/reset buzzer 2)

This circuit works like our last two. When you set the Select Switch, to A and press the Key, you'll hear a sound in the Earphone. You'll continue to hear the sound no matter how may times you press the Key again.

Set the Select Switch to B and press the Key and you'll hear the sound stop.

You might want to compare the operation of these last three Projects. Is there any difference between the three circuits?

Can you think of some situations where one circuit might be better suited than the other two? Be sure to make some notes about what you found out.








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