More about 555 (53)

| The versatile 555 timer IC has the habit of turning up in wide variety of circuits. As it is such a useful little device it has become very...

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| Anyone possessing a frequency counter with a facility for period measurement can build this simple add-on unit to measure capac...

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| The IC 555 is normally used as a timer. The time delay for these applications is obtained by charging and discharging a capacitor betwe...