Hello, I used this schematic from the Notes and Volts video to build a MIDI hardware serial port for my Yamaha P95, but after I uploaded this code: #include <MIDI.h> MIDI_CREATE_INSTANCE(HardwareSerial, Serial1, MIDI); // ---------------------------------------------------------------------…

This is the final schematic for my Teensy and setup on the breadboard (I am using an external led to check the MIDI behaviour): [midi_in_teensy] [WhatsApp Image 2026-05-05 at 09.20.17]

Teensy 4.0 and MIDI hardware serial port issue

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Deva_Rishi May 5, 2026, 7:34am 21

A great you found the solution and shared it with us !

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Teensy 4.0 and MIDI hardware serial port issue

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