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    HELP: Cutting VIN from VUSB killed brand new Teensy 4.0

    Thank you for the thorough response! I will try and get some photos after my classes. I’m a senior in MechE and electrical has always been a weaker subject of mine so I appreciate all the help I can get! In the meantime, I would like to ask a question about how to best power the teensy...
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    HELP: Cutting VIN from VUSB killed brand new Teensy 4.0

    Would you know of a video that best shows this process?
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    HELP: Cutting VIN from VUSB killed brand new Teensy 4.0

    The pin after the 5V and GND? (On the same side)
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    HELP: Cutting VIN from VUSB killed brand new Teensy 4.0

    I was able to power the Teensy off of my 100A Hobbywing ESC 5V controls that is connected to a 22.2V battery but a 3.3V, 5V, and 6V(with a resistor voltage divider) all do not work independently. Is there a reason to explain this? Additionally, extra help on how to best cut the VIN and VUSB...
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    HELP: Cutting VIN from VUSB killed brand new Teensy 4.0

    Not very deep, I used a small razor blade. Additionally I can not seem to power a teensy externally with 5V whatsoever. Maybe I am misunderstanding something here but why can I not? Verified again with multimeter. I have read everywhere I can about this but something just is not working
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    HELP: Cutting VIN from VUSB killed brand new Teensy 4.0

    I soldered the VIN back to the VUSB and it works again. Can someone help me uderstand how to upload code while powering the teensy externally??
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    HELP: Cutting VIN from VUSB killed brand new Teensy 4.0

    As stated from the title, I cut the VIN from the VUSB and now the Teensy is completely dead. Before the cut, I tested the USB and was able to upload and execute code. Now the light does not turn on. I have tried supplying both the 3.3V and 5V to no success. I even verified the voltages with my...
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