Install the identifier
Connect the CYD using a USB data cable. Use desktop Chrome or Edge. Close Arduino IDE and every serial monitor first.
During installation: choose the ESP32 device, select erase, and wait for Finished.
No technical knowledge is needed. Install the tester, watch the screen, skip bad profiles, and save the first profile that is completely correct.
Do not choose by USB socket or seller listing. Different screens can be fitted to boards that look identical.
Connect the CYD using a USB data cable. Use desktop Chrome or Edge. Close Arduino IDE and every serial monitor first.
During installation: choose the ESP32 device, select erase, and wait for Finished.
After installation and restart, reconnect here. The page reads the current profile and provides large remote-control buttons.
Physical button: tap BOOT to skip; hold BOOT for three seconds to save.
Save remains available on the tester, but check every item first.
Saving stores the detected profile in the ESP32 and restarts the board. The identifier is a setup utility; install the full KM RIFE firmware afterwards.
This button appears after the tester reports a saved profile.
N next, S save/restart, A automatic, C clear, I information.