Contactless washbasin taps that can dispense water without the risk of communicating diseases can play an important role in the battle against the COVID-19 virus. At present, most of the world’s ...
This circuit using a dual-timer NE556 can produce 1Hz pulses spaced 5 seconds apart, either manually or automatically. IC NE556 comprises two independent NE555 timers in a single package. It is used ...
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