GPIO Pin Voltage

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1

Hi.

I have an 56V Odrive v3.6 that I am currently testing with 48V Power. I want to controle the odrive with a Teensy 4.1 over serial.

At what Voltage do the GPIO Pins operate?
I don’t want to fry the Teensy. As far as I know it’s Pins oprrate at a max voltage of 3.3V.

Thanks for the Help.

2

They are 3.3v but they tolerate up to 5V on an input pin.

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3

Put 300-1000 ohm resistors between your boards and you won’t fry anything.

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