Is there internal pullup- or pulldown resistors in Arduino Nano RP2040 Connect?
The I2C connections on pins A4 (SDA) and A5 (SCL) are used for connecting to the onboards peripherals and are pulled up with a 4.7 kΩ resistor. SWD Clock line (SWCLK) and reset are also pulled up with a 4.7 kΩ resistor. Check https://content.arduino.cc/assets/ABX00053-datasheet.pdf
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