@felmue thank you very much. it finally works now.
Posts made by tobias.h
UHF RFID Unit (JRD4035) on M5Core2
I was wondering if the examples from the M5Stack Repository will be re-released on the M5Core2 repository. Unfortunately I am not able to get my JRD4035 running on a M5Core2. Anybody maybe has experience in this or info when examples will be released?