Happy Hack: People Silencer

A happy hack the NS (Nederlandse Spoorwegen) might be able to use one day.Use the PDF to print the instructions or as an offline alternative to the webpage. What you need:Standard Arduino Uno with the USB B cable Jumper wires Potentiometer Analog Microphone/sound sensor Two servo motors A breadboa...
By: WillemienW

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[original story: Instructables]

Instructables 14 Apr 14:34