using tinkercad with arduino uno create an intruder alarm system using an ultrasonic distance sensor. For this activity, you need an ultrasonic distance sensor, two LEDs (red and green), two 220 ohms resistor, and a buzzer. The project will start with the green LED turned on. If there is an object near the ultrasonic sensor, the system will alert the user by turning the red LED on and the buzzer should produce a sound. If the object is now away from the sensor, the project will go back again to green LED and the buzzer should turn off. Like last time, the project should turn on one LED only, it's either the red LED is on or the green LED.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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using tinkercad with arduino uno create an intruder alarm system using an ultrasonic distance sensor. For this activity, you need an ultrasonic distance sensor, two LEDs (red and green), two 220 ohms resistor, and a buzzer. The project will start with the green LED turned on. If there is an object near the ultrasonic sensor, the system will alert the user by turning the red LED on and the buzzer should produce a sound. If the object is now away from the sensor, the project will go back again to green LED and the buzzer should turn off. Like last time, the project should turn on one LED only, it's either the red LED is on or the green LED.

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