Differences

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--- arduino:arduino_on_linux [2019/12/28 20:15] – [USBtiny permissions] mithat
+++ arduino:arduino_on_linux [2019/12/28 20:19] – mithat
@@ Line 6: / Line 6: @@
 ==== Serial port permissions ====
-Depending on your distribution, you might need to add permission to your user so it can access ''/dev/ttyACM*'' or whatever. On my Debian system, the following worked (as root):
+Depending on your distribution, you may need to add permission to your user so it can access ''/dev/ttyACM*'' or whatever. On my Debian sid system, all I needed to do was add my user to the ''dialout'' group. The following did the trick (as root):
 <code>
 # usermod -a -G dialout <username>
@@ Line 15: / Line 15: @@
 If you plan to use a USBtiny to program your Arduino instead of the more conventional approaches, you are likely to encounter a different permission error. On my Debian sid system, I encountered a “Warning: cannot open USB device: Permission denied” error that adding my user to the ''dialout'' group didn't fix.
-I was able to clear it by adding the suggestion at the end of this [[https://learn.adafruit.com/usbtinyisp/avrdude|Adafruit page]].
+I was able to clear it by adding the suggestion at the end of this [[https://learn.adafruit.com/usbtinyisp/avrdude|Adafruit page]]. Specifically, as root create a file ''/etc/udev/rules.d/99-USBtiny.rules'' with the following single line:
-Specifically, as root create a file ''/etc/udev/rules.d/99-USBtiny.rules'' with the following single line:
 <code>
 SUBSYSTEM=="usb", ATTR{product}=="USBtiny", ATTR{idProduct}=="0c9f", ATTRS{idVendor}=="1781", MODE="0660", GROUP="dialout"