ESP01 & MDFplayer

Hi,
i've been fighting for 2 days with differents ESP01 and a MDFplayer with no result
the same code with an ESP32 is easy, it works nicely.
I tried differents sketch, differents library, i work with the GPIO 0 and 2
the ESP01 has a good 3,3v and the MDFplayer a good 5v
do you think it 's possible to play the MDFplayer with ESP01 or NOT for a reason i ignore ?
Thank's by advance !
Helios

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