Hey guys today we gonna see how to make a security alarm system 🚨 using arduino and ultrasonic sensor






components:


1.bread board

2.buzzer

3.jumper wires

4.arduino

5.ultrasonic sensor

6.led light



Connections:

Ultrasonic sensor:

VCC to 5v of aurduino

Gnd to Gnd of aurduino

Trig to no 9 of aurduino

Eco to no 10 of aurduino

Buzzer:

Negative to Gnd of aurduino

Positive to no 11 of aurduino

Led:

Negative to Gnd of aurduino

Positive to no 13 of aurduino





Code:

[ Ссылка ]


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