In this circuit the 555 timer is used in a novel way, as a voltage controlled switch.The old and omnipresent NE555 can be very good at something it was not meant for: driving relays or other loads up ...
This 9-minute timer switch can be used to control the light in a toilet or bathroom. This 9-minute timer switch can be used to control the light in a toilet or bathroom. The timer is started by ...
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