how to make a simple laser security alarm | amazing science project | thief detection alarm

components list

Mini Breadboard - https://amzn.to/3W0jeHZ

10k ohm resistor -https://amzn.to/46823sv

LED - https://amzn.to/3X8eIbO

LDR - https://amzn.to/3xSJr2Y

hw battery with clip - https://amzn.to/41W2Gpc

buzzer - https://amzn.to/3XWT7UM

bc 547 transistor - https://amzn.to/3xVBvhr

laser light - https://amzn.to/3VVxqmo

optional tools
glue gun - https://amzn.to/4eVQg4D
soldering kit - https://amzn.to/3WjanCo





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