What is the main function of a GPIO pin when set as an input?, It supplies power to external devices, It detects voltage signals from sensors or buttons, It automatically converts analog signals to digital, It stores program data inside the microcontroller, What is the risk of connecting an output pin directly to Ground without a resistor?, It can permanently damage the pin due to excessive current , The pin will safely read a HIGH signal, The input pin will continue operating without problems, The microcontroller automatically protects the pin, What is the name of the common mistake where a single GPIO pin is used for two tasks simultaneously?, Floating Pin, Short Circuit, High Impedance Trap, Pin Conflict .

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