Arduino: 1.8.5 (Windows 10), Board: "Arduino/Genuino Uno" Build options changed, rebuilding all In file included from C:\Users\Dennis\Documents\Arduino\sketch_may22b\sketch_may22b.ino:2:0: C:\Program Files (x86)\Arduino\libraries\Keyboard\src/Keyboard.h:29:2: warning: #warning "Using legacy HID c…

error message.

J-M-L May 26, 2018, 8:53am 12

Can you provide a link to your exact board? You might need to install this possibly

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