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Arduino MEGA 2560: cannot connect and upload with avrdude errors - Installation & Troubleshooting - Arduino Forum
I have a problem with an Arduino Mega 2560 R3 ( stk500_send(): failed to send command to serial port · Issue #7673 · arduino/Arduino · GitHub
I have a problem with an Arduino Mega 2560 R3 ( stk500_send(): failed to send command to serial port · Issue #7673 · arduino/Arduino · GitHub
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Arduino mega 2560 CH340G Problems(please help!) - Interfacing w/ Software on the Computer - Arduino Forum
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arduino mega IDE on VirtualBox vm – avrdude: ser_open(): can't open device “/dev/ttyACM0”: Permission denied | dwaves.de
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arduino mega 2560 timeout communicating with programmer - Installation & Troubleshooting - Arduino Forum
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