Hi! Unfortunately I burned out power regulator AMS1117 (5.0 H345KE). So I placed new AMS1117 (5.0 H1314E), and arduino works (on power from USB and power supply). But PC doesn't recognize it, and for me this is very important communication... Is it, a good regulator? Or maybe there can be burned…

Burned AMS1117 on Arduino Mega R3

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