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Seeeduino V4 (SKU: 102010004)

Q1: In Ubuntu, I get the error 'avrdue: ser_open(): can't open device "dev/tty/ACM0": Permission denied'. How do I connect Seeeduino V4 to a Linux PC?
A1: Please read the instuction here to make Arduino IDE work without root permission in Ubuntu. Please find below the relevant part.

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5. Ofcourse you don't want to be running the arduino ide as root, so add your user to the groups tty and dialout like so:

sudo usermod -a -G tty yourUserName

sudo usermod -a -G dialout yourUserName

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