The Adafruit TinyUSB Library driver for USB MIDI devices properly creates a USB descriptor that can support multiple virtual cables. However, it only provides one MIDI Library MIDI Interface object.

Adding USB functionality to your Arduino projects used to be a pain, but thankfully, the V-USB project came along and gave your ATMEGA328 the ability to control the USB lines directly and mimic simple ...

Mass Storage Devices are one of the most common USB devices. It use Mass Storage Class (MSC) that allow access to their internal data storage. This example contains code to make ESP based device ...

という設定になります。 ⚙ USBシリアルの2種類の違い（重要） ESP32-S3 は USB を持つが、 デフォルトでは USB シリアルが “無効” のまま。 USB デバッグが安定する。 “ポートが消える問題” がほぼゼロになる。 CDC を有効にしておくとログが非常に見やすい。