sequential (18) Level trigger

 https://wodewangzhishime.blogspot.com/2022/12/i-know-everythings.html

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Ref:  https://kamchihau.blogspot.com/2022/08/heat-expand-cold-shrink.html .

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It is level trigger, not edge trigger.

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if (input voltage between 3V and 10V)

{

output = 1;

}

else 

{

output = 0;

}

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Consequently,

input = 3V or 4V or 5v or 6v or 7v or 8v or 9v or 10v,

output is still 1.

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