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Photoelectric control switching circuit composed of photoresistor lamp elements
Source: InternetPublisher:newrudeman Keywords: Photoresistor photoelectric switching circuit Updated: 2021/02/19
Shown is a photoelectric control switching circuit composed
of photoresistors and other components . When the light intensity drops to
the set value of the light + dependent resistor, the photoresistor value increases to
turn
on VT1 . The excitation current of VI2 closes the normally open contact of the relay K and opens the normally closed contact, thus achieving external communication. circuit
control.
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