Published On Jan 31, 2022
#laser #LaserSecuritysystem #arduino #diyprojects
Code and circuit diagram :- https://electricalelectronicworld2.bl...
components details :-
1} 9v battery
2} arduino nano
3} laser module ky-008
4} active buzzer
5} 7805 voltage regulator
6} ldr
7} 10k resistor
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