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Timer with 555

Timer with 555

Today we will build a circuit that is a timer. The IC 555 was used. This was set to Mono-stable mode. When the button is pressed the time starts and the LED lights up. After a while it goes off …

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Logic Probe

Logic Probe

Today we will build two circuits that work as logic probes that inform us of the state of the signal under analysis through LEDs. One circuit uses the IC CD4001 and the other uses the IC CD4011, the first implements …

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