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| Node MCU V1.0 |
Since NodeMCU is open source platform, their hardware design is open for edit/modify/build.
NodeMCU Dev Kit/board consist of ESP8266 WiFi enabled chip. The ESP8266 is a low-cost Wi-Fi chip developed by Espressif Systems with TCP/IP protocol. For more information about ESP8266, you can refer ESP8266 WiFi Module.
There is Version2 (V2) available for NodeMCU Dev Kit i.e. NodeMCU Development Board v1.0 (Version2), which usually comes in black colored PCB.
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| Node MCU V1.0 |
For more information about NodeMCU Boards available in market refer NodeMCU Development Boards
NodeMCU Dev Kit has Arduino like Analog (i.e. A0) and Digital (D0-D8) pins on its board.
It supports serial communication protocols i.e. UART, SPI, I2C etc.
Using such serial protocols we can connect it with serial devices like I2C enabled LCD display, Magnetometer HMC5883, MPU-6050 Gyro meter + Accelerometer, RTC chips, GPS modules, touch screen displays, SD cards etc.
How to start with NodeMCU?
NodeMCU Development board is featured with WiFi capability, analog pin, digital pins and serial communication protocols.
To get start with using NodeMCU for IoT applications first we need to know about how to write/download NodeMCU firmware in NodeMCU Development Boards. And before that where this NodeMCU firmware will get as per our requirement.
There is online NodeMCU custom builds available using which we can easily get our custom NodeMCU firmware as per our requirement.
To know more about how to build custom NodeMCU firmware online and download it refer Getting started with NodeMCU
How to write codes for NodeMCU?
After setting up ESP8266 with Node-MCU firmware, let’s see the IDE (Integrated Development Environment) required for development of NodeMCU.
NodeMCU with ESPlorer IDE
Lua scripts are generally used to code the NodeMCU. Lua is an open source, lightweight, embeddable scripting language built on top of C programming language.
For more information about how to write Lua script for NodeMCU refer Getting started with NodeMCU using ESPlorerIDE
NodeMCU with Arduino IDE
Here is another way of developing NodeMCU with a well-known IDE i.e. Arduino IDE. We can also develop applications on NodeMCU using Arduino development environment. This makes easy for Arduino developers than learning new language and IDE for NodeMCU.
For more information about how to write Arduino sketch for NodeMCU refer Getting started with NodeMCU using ArduinoIDE
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