The NodeMCU programming can be as easy as in Arduino. The major difference is in the pin assignment of the NodeMCU board. Ready? Then follow these steps: Run the Arduno IDE Open the “Preferences” ...

This board also features 128 MB of RAM, 8MB of Flash and the usual compliment of Arduino pins in a Leonardo-compatible layout. Also on the SoC is a PCIE bus, Ethernet, a USB 2.0 host, and an SD card.