Distance indicator LED Arduino ultrasonic sensor led project HC SR04

Arduino Ultrasonic sensor ( Hc-SR04 ) with LEDs to measure the distance of object. This is a very simple Arduino projects for beginners. When an object comes close the hc-sr04 ultrasonic sensor indicates the distance using led.
With this, we can measure up to 30 cm. When all the LED glows up, then distance is less then 3 cm. When no LED glows, distance is more than 30 cm.
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Required Components:
Ultrasonic sensor HC-SR04
Arduino
LEDs
Arduino code link:
drive.google.com/drive/folder...
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