Ultrasonic Smile

This is a simple and funny project that everyone can make without problems P.S. Sorry for my bad english !!! What Do You Need ?! What do you need ?(1) Arduino (I use an Arduino UNO)(1) Led Matrix with Max7219cng(1)Breadboard(1) Hc-sr04 (Ultrasonic sensor)And..... a lot of wires :) Connectio...
By: RoboGi

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