How to Make Laser Alaram
455 بار بازدید -
6 سال پیش
-
Hello Friends, in this video
Hello Friends, in this video i will show you an amazing idea. which is very good for School projects.
Things That i Use:
Bike Buzzer
LDR Sensor
BC 547 Transistor
9V Battery
Laser
6 سال پیش
در تاریخ 1397/10/27 منتشر شده
است.
455
بـار بازدید شده