DF player for mp3 do not work with ESP32

Q&A Forum › Category: ESP32 › DF player for mp3 do not work with ESP32

Hi I have trouble with DF Player. I cannot connect it with ESP32. It looks like some serial line issue. (DF Player works properly with Arduino nano).
I tried some example from internet but without success. Does anybody working example?

Thank you

Question Tags: mp3

4 Answers

0 Vote Up Vote Down

DK answered 5 years ago

hi
I am working on audio server
look at these examples
https://www.dfrobot.com/blog-1188.html
https://www.circuito.io/app?components=9442,336411,360217
https://www.youtube.com/watch?v=kq2RLz65_w0
Hope it helps

0 Vote Up Vote Down

Sara Santos Staff answered 5 years ago

Hi Tomas.
I’m not familiar with that module. So, I don’t know what can be the issue.
Were you able to make it work now?
Regards,
Sara

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Tomas Pocarovsky answered 5 years ago

Hi all
I found what is issue with ESP32 and DF Player.
When working with ESP32 WiFi/Bluetooth MCU under Arduino SDK for ESP32, you will notice that
  Serial work just fine. But Serial1 and Serial2 do not. ESP32 has 3 hardware UARTs that can be
  mapped to almost any pin. But, Serial1 and Serial2 will not work. In case of ESP32 this just
  has to be done in a slightly different way:
Source: https://quadmeup.com/arduino-esp32-and-3-hardware-serial-ports/

When DFPlayer use HW serial you have to replace
Serial1.begin(9600);
by

MySerial.begin(9600, SERIAL_8N1, 16, 17); (with definition “HardwareSerial MySerial(1);” )

Regards,
Tomas

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Rui Santos Staff answered 5 years ago

Thanks for posting the solution Tomas! I’m glad you were able to make it work for you!
Regards,
Rui