GPIO

Definitions

1. General-Purpose Input/Output — a digital signal pin on a microcontroller or SoC that can be programmatically configured as either an input or output at runtime.

   In plain English: A pin on a chip that you can control with code — tell it to send a signal out (like turning on an LED) or listen for a signal coming in (like detecting a button press).

   Example: "I toggled GPIO 17 high to trigger the relay, and the garage door opened. Home automation with a Raspberry Pi and three lines of Python."

Related Terms

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