Saturday, 19 September 2015

Ultrasonic sensor detects someone in front of your laptop

As a newcomer to Arduino’s world I want to share with you my first project with Ultrasonic device. After reading this you’ll know how to get the exact time when somebody sits in front of your computer and record it into a file (and by sits I mean literally :) )Of course this project only makes sense...
By: LillyS2

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from Instructables: exploring - technology - robots


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