Arduino Distance Detector with a Buzzer and LED's

2013年7月19日 | By News | Filed in: News.

http://www.instructables.com/id/Arduino-Distance-Detector-with-a-Buzzer-and-LEDs/

This is a simple guide on how to make a distance detector using an Arduino, a HC-SRO4 Ultrasonic Sensor, a Buzzer, and some LED’s.  The ultimate goal of this tutorial is to use the buzzer and LED’s to display how far the object is from the ultrasonic sensor. Materials Needed The Materials needed …
By: flynn_munroe

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