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Hi,
I have a large switch panel with 13 switches, I want to set some alert when any
2 bottons are push in the same time (it's ok to have the signals comes in the same time)
I only want a buzz sound to warn the user to return one finger.
I want to ask for a idea to make this circuit, now I'm...
Hi,
I'm designing a circuit to check 13 switches (a panel of machine)
I want to make a circuit that can keep the history of pressed switch
show by 13 led lights.This is to make sure I check them all.
When check again I can press reset all light turns off.
I found that 74HC74 D-flip flop would...
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