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Author Topic: Arduino As USB Host?  (Read 1072 times)
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I recently upgraded my computer's tower case and wanted to use the old USB ports from the old case with the Arduino.  There are 4 wires per port: +, -, D+, D-.  How could I get the Arduino to act as a USB Host to drive a keyboard?
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Take a look at an existing USB host shield. There is a link to a schematic at http://www.circuitsathome.com/products-page/arduino-shields/usb-host-shield-2-0-for-arduino.
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