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Simple Basic LDR Darkness Sensor Circuit Using NPN Transistor.
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Simple Basic LDR Darkness Sensor Circuit Using NPN Transistor. |
Things Needed for the Basic LDR Darkness Sensor Circuit:
-BC547 Transistor NPN. (Or Any NPN Transistor)
-9V Powers Supply. (You Can Use A Lithium-ion (Li-ion) Battery 18650,3.7V)
-Red Led. (Any Color Led Just for See the Signal)
-56kΩ Resistance. (You Can Use any Value near from 56kΩ resistance)
-1kΩ Resistance. (You Can Use 220Ω This Resistance for Protecting Your Led)
-9v Battery Holder. (For Connect Your Circuit With 9v Battery)
-Light Dependent Resistor (LDR)
Schematic Drawing of Basic LDR Darkness Sensor Circuit:
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Schematic Drawing of Basic LDR Darkness Sensor Circuit: |
Illustration Drawing of Basic LDR Darkness Sensor Circuit:
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Illustration Drawing of Basic LDR Darkness Sensor Circuit: |