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the raspberry pi is a versatile single-board computer that allows users to create a wide range of projects. one of its key features is the general purpose input/output (gpio) pins, which enable interaction with the physical world by connecting sensors, leds, motors, and more. in this tutorial, we will explore the raspberry pi gpio python documentation and provide code examples to help you get started with gpio programming.
before you begin, make sure you have the following:
to use the gpio pins in python, you need to import the rpi.gpio library. if you haven't installed it, you can do so using the following command:
now, you can import the gpio library in your python script:
before using any gpio pins, you must set the mode to either gpio.board or gpio.bcm.
next, you need to configure the specific gpio pins you plan to use as inputs or outputs. for example, to set pin 11 as an output:
to set pin 12 as an input:
now, let's turn an led connected to pin 11 on and off:
let's read the state of a button connected to pin 12:
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