![]() Due to its large open-source developer community, a large number of libraries for this popular microcontroller are available. The ESP8266 can be flashed and programmed using the Arduino IDE. The module has built-in AT Command firmware and can be used with any MCU via the COM port. It is a complete and self-contained Wi-Fi network solution that can carry software applications as a stand-alone device or be connected with a microcontroller (MCU). It contains a built-in 32-bit low-power CPU, ROM, and RAM. The possibilities are endless! It’s no wonder that this chip has become the most popular IOT device available. ![]() And on top of that, you get Wi-Fi communication, so you can use it to connect to your Wi-Fi network, connect to the Internet, host a web server with real web pages, let your smartphone connect to it, etc. This means that you can program it like any other normal Arduino or other microcontroller. It has 11 GPIO (general-purpose input/output) pins and an analog input as well. It consists of a Tensilica L106 32-bit microcontroller unit (MCU) and a Wi-Fi transceiver. The ESP8266 is a system on a chip (SoC), manufactured by the Chinese company Espressif. On top of that the ESP8266 NodeMcu has a full WiFi that takes care of the WiFi communication to a server or client. ![]() Just like Arduino boards, the ESP8266 NodeMcu has GPIO pins, voltage regulator, ADC, Micro-USB port (for flashing and serial output) – all on one board. Through the build-in programmer and CH340G USB-to-Serial chip, flashing the ESP8266 and serial output on a PC, development and prototyping projects are done with ease. ESP8266 NodeMcu is a popular and widely used development board based on the ESP-12E WiFi Module that combines elements of easy programming with Arduino IDE (C\C++) and WiFi capability. ![]()
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