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NodeMCU DEVKIT 1.0, bottom. NodeMCU is a low-cost open source IoT platform. [4] [5] 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.
The ESP8266 is a low-cost Wi-Fi microcontroller, with built-in TCP/IP networking software, and microcontroller capability, produced by Espressif Systems [1] in Shanghai, China. The chip was popularized in the English-speaking maker community in August 2014 via the ESP-01 module, made by a third-party manufacturer Ai-Thinker.
It runs on ESP8266 [2] Wi-Fi based MCU (microcontroller unit) platforms for IoT from Espressif Systems. The name "ESP Easy," by default, refers to the firmware rather than the hardware on which it runs. [3] [4] At a low level, the ESP Easy firmware works the same as the NodeMCU firmware and also provides a very simple operating system on the ...
Internet connection via ESP8266 module (model ESP-01) Integrated 5 V to 3.3 V level shifter (IC 74HC4050) Digital ports D3, D4, D9, D10, D11 and D13 are available both in 5 V and 3.3 V; Header for FTDI USB to serial adapter to upload the sketches. Rhino Mega 2560 [131] ATmega2560 [31] Cyrola Inc. Arduino Uno compatible board powered by ATmega2560.
Simple Network Management Protocol (SNMP) is an Internet Standard protocol for collecting and organizing information about managed devices on IP networks and for modifying that information to change device behavior.
The ports supported in the mainline are ARM Cortex-M (many STM32 [8] boards, RP2040 boards, TI CC3200/WiPy, Teensy boards, Nordic nRF series, SAMD21 and SAMD51), ESP8266, ESP32, [9] 16-bit PIC, Unix, Windows, Zephyr, and JavaScript. [10] Also, there are many forks for a variety of systems and hardware platforms not supported in the mainline. [11]
System Package Data Exchange (SPDX, formerly Software Package Data Exchange) is an open standard capable of representing systems with digital components as bills of materials (BOMs). [1] First designed to describe software components, SPDX can describe the components of software systems, AI models, software builds, security data, and other data ...
Lua scripts may load extension modules using require, [20] just like modules written in Lua itself, or with package.loadlib. [22] When a C library is loaded via require ( 'foo' ) Lua will look for the function luaopen_foo and call it, which acts as any C function callable from Lua and generally returns a table filled with methods.