Buy
https://www.tindie.com/products/tinydebian/tinysniffer-usb-sniffer
Product description
tinySniffer is to capture USB 1.x and 2.0 packets, with the feature of controlling it remotely.
Diagram
There are 2 modes
- Configure mode. Without USB peripheral connected and power on tinySniffer.
- Capture mode. With USB peripheral connected.