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timnrp

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  1.    attila reacted to an answer to a question: Interference of Analog Discovery 2 DIO pin on microcontroller input pin
  2.    timnrp reacted to an answer to a question: Interference of Analog Discovery 2 DIO pin on microcontroller input pin
  3. timnrp
    Hi, thanks for your answer. Adding an external pull-up resistor solved the issue.
  4. timnrp started following Interference of Analog Discovery 2 DIO pin on microcontroller input pin
  5. timnrp
    Hi, I'm using the AD2 to simulate user input (e.g. button press). Therefore I connected a DIO pin to pin PB2 of an AVR128DB48 Curiosity-Nano board, which resembles the user button is acitve low and has an internal pull up resistor. When flashing the MC without the AD2 connected, everything works as intended and the signal is always HIGH. When flashing the MC with DIO of the AD2 connected to PB2 (and GND of AD2 to GND) the signal first goes LOW for a short moment and after a short HIGH goes to LOW again for circa two seconds before going HIGH again. When using a different logic analyzer everything works like intended, so I think the behaviour comes from the AD2. Has someone had the same/ a similar problem or has an idea, what the problem might be?
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