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This article shows you what are the differences between the two modes of raspberry pie GPIO. The content is concise and easy to understand. It will definitely brighten your eyes. I hope you can get something through the detailed introduction of this article.

There are two modes of raspberry pie GPIO: BOARD mode and BCM mode.

I. on-board mode

It can be seen as the pin number on the computer board is the same as the processor pin number.

II. BCM mode

The processor has a large number of pins and GPIO, and the processor pin number is inconsistent with the pin number on the computer board, such as internally assigned to

The processor's GPIO pin number is 17, while the connector pin number connected to that pin on the computer board is 11.

Third, picture and text mode description

On the left is the on-board mode, the pin number is the same as the GPIO number, and on the right is the BCM mode.

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