I have a Leonardo board and was happily uploading sketches, no problem. Then after one upload (I'm not sure it finished successfully) my leonardo now automatically disconnects from windows (win 7, 64 bit) after about 12 seconds. Too quickly for me to upload another sketch. The COM port comes up, bu…

Leonardo USB won't stay connected

system December 20, 2013, 7:08am 7

Hey mine goes off at 5 sec interval not even able to upload the blink sketch!!! What should I do?

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