The emulator installs a custom driver (e.g., a virtual USB filter driver on Windows). This driver sits between the AutoData application and the actual USB stack.
The Autodata dongle emulator proved to be a game-changer for John's workshop. With the emulator, John was able to: autodata dongle emulator work
The software installs a virtual driver (often referred to as a "virtual dongle") that resides in the system memory. The emulator installs a custom driver (e