Makey Makey Touch Key USB SHIELD Analog Touch Keyboard

MAKEY Analog Touch key USB Board for arduino Product Description I believe that many people have seen a recent analog touch keyboard, video, video board can be connected to any conductor, go to the computer keyboard event by touching the conductive body. Play a variety of games or effects....

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MAKEY Analog Touch key USB Board for arduino


Product Description

I believe that many people have seen a recent analog touch keyboard, video, video board can be connected to any conductor, go to the computer keyboard event by touching the conductive body. Play a variety of games or effects. 

Principle is to simulate a keyboard through the microcontroller, leads to a few keys, and touch form instead of the switch. Now we use an for arduino compatibale Board plus Touch key USB Shield can also achieve this effect. 

Touch key USB Shield using the touch as the input method, the use of dual touch switch contacts, touch terminal and the ground terminal leads connected to the two touch electrode, when people touch the two poles, due to the relationship of the resistance of the human body, two touch The constant current flows between the electrodes, the touch event can be detected by detecting the size of this current. The virtual keyboard is used this method. 


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