[Solved] What does a callback function do in a Button class on Raspberry Pi? — Ans: It runs automatically when the button is pressed | Raspberry Pi

Raspberry Pi - gpiozero Library

What does a callback function do in a Button class on Raspberry Pi?

AIt resets the Raspberry Pi

BIt changes the button's color

CIt disables the button

DIt runs automatically when the button is pressed

Step-by-Step Solution

Solution:

Step 1: Understand callback role
A callback function is a function that is called automatically when an event happens, like a button press.
Step 2: Apply to Button class context
In a Button class, the callback runs when the button is pressed to perform a task.
Final Answer:
It runs automatically when the button is pressed -> Option D
Quick Check:
Callback function = runs on button press [OK]

Quick Trick: Callback runs code automatically on button press [OK]

Common Mistakes:

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What does a callback function do in a Button class on Raspberry Pi?