The Problem is most likely in the way PD handles multiple devices,

Channel 2 on the second interface becomes Channel 18 (or 17 if zero based) in PD.

Did you account for that?

On Tue, 19 Apr 2022, 00:38 Rick Snow, <ricksnow@gmail.com> wrote:
Hello!

I am working to use two Teensy devices as midi compliant devices to control a set of motors with PD.  I have each one working as expected.  One Teensy expects midi info on Channel 1 and the other on Channel 2.  Each Teensy Device is given its own name.  When I try to use them both at the same time (plug in both to my Mac) I can see both of them in the Midi Devices.  However, only the first one I choose will accept midi values and move the motors.  Whichever one I choose second will not react when I send it midi data.

Anyone else worked with multiple Teensy Midi devices and PD?

Cheers,
Rick





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