Teensy 4.0 Serial Monitor & Power Source

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cbennett

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Hi all! Could use some help here. I would like to read the serial data coming off a teensy 4.0. Issue is that the teensy is powered via a power source that is different than the device being used for the serial monitor tools. I have tried using a usb cable that I have cut the power and ground wire but I can't seem to get any serial monitor data off it. Any other ideas I am all ears. Thank you for your time! :D
 
You'll need the ground wire, only the power should be cut. Otherwise you can cut the trace on Teensy to separate VIN from VUSB and use a standard USB cable.
 
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