These libraries support LCM1602A-14 LCD module I2C and SPI communication with NodeMCU ESP8266, official Arduino and Maker (Cytron Product). STEP 3 : Check both files if its already got into the ...

This LCD module can be connected using SPI or I2C protocol with Arduino, Maker and NodeMCU - Releases · CytronTechnologies/LCM1602-14_LCD_Library_Arduino ...