I have an Uno R1 with the 8u2 interface chip, and an Uno R3 with the 16u2. I was having problems connecting to the R1 over the serial port, and found that /dev/ttyACM0 wasn't created when it was plugged in. After a lot of trouble-shooting (it was seen on the USB ehci bus, but nothing was created/l…

Uno R1 doesn't work on Linux; Uno R3 works

SurferTim May 8, 2012, 6:58pm 2

I think the R1 version will show up as /dev/ttyUSB0. The R3 and the Mega show as /dev/ttyACM0.

Topic		Replies	Views
Problems with 0021 on Ubuntu 10.04 Lucid Lynx Development	75	69924	May 6, 2021
Using Uno R3 on Linux? IDE 1.x	4	3698	May 5, 2021
No tty devices for Uno R3 on MacOS IDE 1.x	8	4531	May 5, 2021
No serial device found for arduinoUno r3 Interfacing w/ Software on the Computer	4	1536	May 6, 2021
no serial port / Uno / Ubuntu 13.10 IDE 1.x	10	16309	May 5, 2021