It s not an acronym.
Esp wifi module full form.
The module can work both as a access point can create hotspot and as a station can connect to wi fi hence it can easily fetch data and.
It can work with a micro controller like the arduino or it can be programmed to work on its own.
The esp8266 is a very user friendly and low cost device to provide internet connectivity to your projects.
Later support for the esp32 32 bit mcu was added.
Each esp8266 module comes pre programmed with an at command.
It initially included firmware which runs on the esp8266 wi fi soc from espressif systems and hardware which was based on the esp 12 module.
Overview of the esp8266 wifi modulethe esp8266 is a really useful cheap wifi module for controlling devices over the internet.
The internet of things.
Nodemcu is a low cost open source iot platform.
The esp8266 is a low cost wi fi microchip with a full tcp ip stack and microcontroller capability produced by espressif systems in shanghai china.
The esp 01 or esp8266 wifi module is a self contained soc.
Esp is just the short form abbreviation of its manufacturer name espressif shanghai based chinese manufacturer source.