Raspberry Pi Cookbook for Python Programmers by Unknown

Author:Unknown
Language: eng
Format: epub, mobi, pdf
Publisher: Packt Publishing

A controlled shutdown button

The Raspberry Pi should always be shut down correctly to avoid the SD card being corrupted (by losing power when writing to the card). This can pose a problem if you don't have a keyboard or screen connected (if you are running an automated program or controlling it remotely over a network and forget to turn it off) as you can't type the command or see what you are doing. By adding our own buttons and LED indicator, we can easily command a shutdown, reset, and start up again to indicate when the system is active.

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