easy5 pts · first answer countsgpioelectronics

Floating input pin

A push button connects a GPIO input to ground when pressed. When not pressed, the reading jumps randomly between 0 and 1. What is missing?

A.A pull-up resistor (internal or external) to hold the pin high when the button is openB.A faster clock speedC.A larger capacitor on the power supply onlyD.A UART driver

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Floating input pin

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