Esp-radio
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Edzelf
Version without VS1053
Is is also possible to run this without the VS1053 as described here? This would shorten the long waiting time for the China module to arrive...
Similarly, I am wondering whether a "Audio AUX WITH IR Remote Control MP3+WAV+WMA Decoder Board 2W Amplifier TF Card" (GPD2856C chip?) could somehow be hooked up to the ESP. For 5 USD this not only includes a MP3 decoder, but also an infrared remote sender and receiver, and a class D amplifier.
Question, how would we get the radio streams in there. Emulate reading an audio file from SD card in SPI mode, perhaps?
I don't think it is worthwhile to use the PWM method. The sound quality is minimal and stereo is not possible. The GPD2826C chip is great, but it has no interface to communicate with the ESP8266.
http://electronics.stackexchange.com/questions/29010/sd-card-emulation
It's a wild idea... But I don't think I will pick this up. Even wilder: There are SD-cards that can be filled over a WiFi connection, so theoretically you could send mp3 files OTA to the SD in the module....
Since we are talking about alternatives to the VS1053: As the, by probonopd, mentioned project uses an I2S DAC (ES9023)... I have laying around. Since I had trouble getting this setup to work I would like to try you code with the ES9023. Would that be suitable to your project?
The EsP would require some extra RAM. There is such an MP3 player on the esp github page, I think
I'm working on the ESP32 version for this radio. That will give you plenty of RAM.
Oh I have not follow for a month, now, so it work on esp32 now? I have lot of reading to do, it seem.
It's not fully working yet, so it is not published. Sound, display and webinterface is working.