works fine, but remember to change firmware screen to #define FYSETC_MINI_12864_2_1 and enable #define NEOPIXEL_LED without setting neopixel pin, whats more, change Marlin\src\lcd\dogm\ultralcd_DOGM.cpp u8g.setContrast(255);
nice display. asked help to configure and received the manual in 1 day