Problem with External Audio DAC using the board ESP32-2432S028

[didboy]

Hi, I am using this library to get audio through an external DAC type PCM1502a installed on an ESP32-2432S028.

I am trying to configure the pin out of the library for the ESP32-2432S028. I am taking data from this website of macsbug: https://macsbug.wordpress.com/2022/08/20/web-radio-esp32-2432s028-i2s/

Apparently the pin out for this board is:

#define LRC 27 // are using Set to I2S pin #define BCLK 22 // are using Set to I2S pin
#define DIN 17 // are using Set to I2S pin

And in the code I also use the following line to initialize the DAC: audio.setPinout(BCLK, LRC, DIN); // Setup I2S Pin

But I no longer get any audio through the external DAC. Am I something wrong?

PS: ( I also used this other pinout but without success) #define BCLK 4 // are using Set to I2S pin #define LRC 16 // are using Set to I2S pin #define DIN 17 // are using Set to I2S pin

Thanks in advance

[schreibfaul1]

I don't see any reason why this shouldn't work. On some boards the solder bridges are missing: or you haven't connected SCK to GND?

[didboy]

Hi Screiblfaul1, :-D Many thanks for your quick reply.

Yes. I have jumped the bridge between SCK to GND.

I have used this same DAC with your library on a standard ESP32 board and worked perfectly. The issue is on the board ESP32-2432s028.

I try everything again.

Thanks again! Regards, Dídac

[kenkit]

Try using pin 25,26 and 27 also try chaing board to esp32 dev module

[didboy]

Hi Kensit, Thanks for your comments on this.

I tried with this pinout without success. Besides, pin 25 is also required to configure the touch configuration and then the touch function was disabled.

As soon as I find a solution I let you know.

Thanks!!

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