El Capitan upgrade has broken the Arduino IDE serial comm to Arduino Mega 2560 boards. The boards are clone Mega 2560, I have three different boards SunFounder Universal Starter Kit for Arduino (With MEGA 2560) XCSOURCE ATmega2560-16AU ATMEGA16U2 Board Ieik Mega2560 R3 ATmega2560-16AU + ATMEGA16…

El Capitan - Arduino IDE serial port problems

Novale October 10, 2015, 4:44pm 3

I have the same issue USB driver not working on El Capitan

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