Understanding ESP32/8266 Interfaces: Your Key to Building Smart Home IoT Projects
Introduction
The ESP32 and ESP8266 are among the most popular IoT development boards on the market today, featuring powerful WiFi and Bluetooth capabilities, along with a rich set of interfaces to meet various IoT application needs. This article will detail the interfaces available on the ESP32/8266 and what they can be used for.
GPIO Interface
The GPIO (General Purpose Input/Output) interface is one of the most basic interfaces on the ESP32/8266, used to control the state of external devices. These interfaces can be