Light Sensitive Switch Single Transistor Based

Light Sensitive Switch is a simple project which operates a relay when light falls on the LDR.

Input : 12 V @ 55 mA
Relay output : NC-C-NO
Onboard preset to set the level
Power-On LED indicator
Relay On LED indicator
Power Battery Terminal (PBT) for easy relay output connection
Four mounting holes of 3.2 mm each
PCB dimensions 44 mm x 49 mm

SCH2

 

Light Sensitive Switch Schematic

Light Sensitive Switch Schematic

 

Light Sensitive Switch PCB and Parts List

Light Sensitive Switch PCB and Parts List

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