Serial Adapter USB ID Check
Use this to identify which USB-to-serial adapter or serial-connected device you selected.
Advanced hardware access
This advanced test only works in browsers that expose the required hardware API.
DeviceOK requests access only after you click. Advanced browser hardware APIs are permission-gated and are not universally supported.
What happened?Choose the result you observed.
Privacy: Identifiers remain local.
What this test tells you
This test checks
- Serial port selection
- USB vendor/product IDs where exposed
How to read the result
Some native or Bluetooth serial ports will not expose USB IDs.
An absent ID is not itself a failure.