NodeMCU pinout
🌐 What is the ESP8266? The ESP8266 is a powerful, low-cost Wi-Fi microcontroller that can be used either as a standalone device or as a UART-to-Wi-Fi adapter for other microcontrollers. For example, you can connect an ESP8266 to an Arduino to add Wi-Fi capabilities to your projects. However, the most practical and efficient way to use it is as a standalone controller . With the ESP8266, you can control inputs and outputs just like an Arduino — but with built-in Wi-Fi. This allows you to bring your electronics projects online , making it perfect for IoT (Internet of Things) and home automation applications. 💡 Why is the ESP8266 So Popular? Low Cost: ESP8266 modules are extremely affordable — you can get one for around $3 or even less , depending on the model. Low Power Consumption: The ESP8266 is energy-efficient and supports deep sleep mode , allowing you to build battery-powered and energy-saving devices. Built-in Wi-Fi: The ESP8266 can: Create its o...
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