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Hypothetically, with a shared ground, if the USB power on one of the computers had 100V on the V+ and 95V on the ground, I'd run into problems? Is there a way to combat that without optoisolating between the two different supplies?

Thanks for the replies! The reason behind the two separate connections to two computers is failover. The buttons trigger a program via MIDI control, and this program needs to be triggered on both PCs at the same time (or as close as possible). If one PC goes down, the second one still needs to...

Is it not possible to have the Teensy appear as two devices? Or would I run into problems if the voltage between V+/GND on the two computers was different? So presumably my only option is to have it as I have done my prototype, and have all the buttons connected to two Teensys, via Schottky...

The next question I have is whether it's possible for the Teensy to appear to two computers at once as USB MIDI devices? I've started poking around the USB Midi library to have a look, but haven't got so far yet. Is there a way to output USB MIDI to one computer via the USB Serial port and...

Ah I managed to miss the pin information on that page! Is there a BOM for the Teensy 3.2 available? Thanks

I'd like some feedback if possible on a project that will need to appear to a computer as a USB MIDI device. At the moment I've prototyped this using a Teensy 3.2 which works wonderfully. I want to move the whole design to a custom PCB which is fine - I've done them before. However I'm not...

This is my initial thought. It isn't completely failsafe in terms of the LEDs remaining on, however as far as I can see it would never allow the WS2811 to be powered and/or received data from two sources. I've actually drawn the diagram slightly wrong. The idea is to have a depletion mode...

Connecting a switch to both Teenys is the easiest part as I can do that with two schottky diodes. It's getting 5V, GND and data to the WS2811 that is the harder part. There is an option to just power the WS2811 from one computer which I will probably end up doing, as it doesn't look like there...

Quick question. I'm building a controller that requires two Teensys to be connected to two different computers or laptops. Each Teensy is triggered by a button so they can redundantly control an application on each computer. They'll also be some LEDs. I've been advised, that if I want the Teensy...