1e29:0501 — CP2102 [CMSP]
Festo AG & Co. KG
- Vendor ID
- 1e29
- Product ID
- 0501
- Combined
- 1e29:0501
- Decimal
- 7721:1281
What is this device?
This is the USB identifier for a CP2102 [CMSP] manufactured by Festo AG & Co. KG. The vendor ID 1e29 is registered to Festo AG & Co. KG with the USB Implementers Forum, and 0501 is the product ID that Festo AG & Co. KG assigned to this particular model. When you run lsusb on Linux, this device appears as 1e29:0501 Festo AG & Co. KG CP2102 [CMSP].
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 1e29:0501 Festo AG & Co. KG CP2102 [CMSP]
You can filter directly with lsusb -d 1e29:0501, or get the full descriptor dump with lsusb -v -d 1e29:0501. Kernel messages from dmesg show the same pair as idVendor=1e29, idProduct=0501.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_1E29&PID_0501 USB\VID_1E29&PID_0501&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_1E29&PID_0501"
macOS
$ system_profiler SPUSBDataType
CP2102 [CMSP]:
Product ID: 0x0501
Vendor ID: 0x1e29 (Festo AG & Co. KG)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.
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
1e29 Festo AG & Co. KG 0501 CP2102 [CMSP]