ring2 on Twitter: "Everything onboard! M5 receives BLE MIDI (for editing parameters) and BT Audio pass through, Teensy does synth and mix audio from M5. Serial MIDI and USB-MIDI are working on
![my teensy 4.1 doesn't work with a battery - but it does work when powered through the USB : r/Teensy my teensy 4.1 doesn't work with a battery - but it does work when powered through the USB : r/Teensy](https://www.howtodowith.com/wp-content/uploads/2020/12/teensy_4_1_pinout.png)
my teensy 4.1 doesn't work with a battery - but it does work when powered through the USB : r/Teensy
![Teensy Real-time clock M48T18-100PC1 battery buffering, calendar, chip disarming, switching, write protection, 8192B RAM: Amazon.de: Electronics & Photo Teensy Real-time clock M48T18-100PC1 battery buffering, calendar, chip disarming, switching, write protection, 8192B RAM: Amazon.de: Electronics & Photo](https://m.media-amazon.com/images/I/31I88K2sHGL._AC_.jpg)
Teensy Real-time clock M48T18-100PC1 battery buffering, calendar, chip disarming, switching, write protection, 8192B RAM: Amazon.de: Electronics & Photo
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