Arduino Ultrasonic Sensor HC-SR04 Build, Code and Explanation

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I'm really excited to show you my first standalone Arduino project. An HC-SR04 ultrasonic distance indicator with LED lights and a buzzer.

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Arduino Sketch - http://y.sudokin.com/ussk/

Hardware Used:

AliExpress: Arduino Kit - http://y.sudokin.com/amk/ Arduino Mega - http://y.sudokin.com/arm/ Arduino Uno - http://y.sudokin.com/aru/ Arduino Nano - http://y.sudokin.com/arn/ HC-SR04 Ultrasonic Sensor - http://y.sudokin.com/uss/ 74HC595 Shift Register - http://y.sudokin.com/595/ Resistor Pack - http://y.sudokin.com/res/ LED Pack - http://y.sudokin.com/led/ Breadboard + Power Module + Jumper Cables - http://y.sudokin.com/bpj/

Banggood Arduino Kit - http://y.sudokin.com/bark/ Arduino Mega - http://y.sudokin.com/barm/ Arduino Uno - http://y.sudokin.com/baru/ Arduino Nano - http://y.sudokin.com/barn/ HC-SR04 Ultrasonic Sensor - http://y.sudokin.com/buss/ 74HC595 Shift Register - http://y.sudokin.com/b595/ Resistor Pack - http://y.sudokin.com/bres/ LED Pack - http://y.sudokin.com/bled/ Breadboard http://y.sudokin.com/bpj/

Amazon Links: Arduino Kit: http://y.sudokin.com/akak - UK http://y.sudokin.com/adak - DE

Soldering station: http://y.sudokin.com/auss - Amazon US http://y.sudokin.com/akss - Amazon UK http://y.sudokin.com/adss - Amazon DE

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Thanks for watching, and I hope you learned something ;) ... https://www.youtube.com/watch?v=eQ4P5eKXZvY