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Edje Itis possible to let the Arduino music shield act as midiplayer as a slave of an ESP01 (as master) with a 5V adaptor board with level converters. The ESP01 communicates with the Arduino-music shield via I2C. (RX and TX should be redefined and SCL and SDA). The ESP01 is supposed to have the miditunes on board (using SPIFFS), you have to use the filemanagement capabilities of the ESP01 to store and read them. At the ESP01 you van build a webpage to control the midi music player via Wifi. The music player has also a navigation-switch on board, I have not yet found out, how this works.

Edje 03/12/2020
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