2341:0043 — Uno R3 (CDC ACM)
Arduino SA
- Vendor ID
- 2341
- Product ID
- 0043
- Combined
- 2341:0043
- Decimal
- 9025:67
What is this device?
This is the USB identifier for a Uno R3 (CDC ACM) manufactured by Arduino SA. The vendor ID 2341 is registered to Arduino SA with the USB Implementers Forum, and 0043 is the product ID that Arduino SA assigned to this particular model. When you run lsusb on Linux, this device appears as 2341:0043 Arduino SA Uno R3 (CDC ACM).
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 2341:0043 Arduino SA Uno R3 (CDC ACM)
You can filter directly with lsusb -d 2341:0043, or get the full descriptor dump with lsusb -v -d 2341:0043. Kernel messages from dmesg show the same pair as idVendor=2341, idProduct=0043.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_2341&PID_0043 USB\VID_2341&PID_0043&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_2341&PID_0043"
macOS
$ system_profiler SPUSBDataType
Uno R3 (CDC ACM):
Product ID: 0x0043
Vendor ID: 0x2341 (Arduino SA)Driver help
Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page. Arduino SA official support →
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
2341 Arduino SA 0043 Uno R3 (CDC ACM)