@ricardo85 I think you’ll need to use the C API and ESP-IDF directly for that, see https://github.com/MrBuddyCasino/ESP32_MP3_Decoder. That should run on the Pycom boards

Hi @ricardo85 Can you share what water flow meter you're planning to use? Are you sure you want the WiPy to be a transmitter or a receiver?

@johand Good to hear that all is working now. :o)