SOME I2C interfaces have pins (or solder pads) that can be changed to change the address. They are usually labelled A0-A1-A2 . Here's the way addresses change from a default 0x27 with if you connect address pads together.
Setup: Place LCD display and Serial Adapter on bread board next to each other. Connect adapter's SCL pin with NodeMCU D1 pin. Connect adapter's SDA pin with NodeMCU D2 pin. Connect adapter's GND, VCC pins with NodeMCU GND, Vin accordingly - here I need to explain one... Jul 01, 2019 · Description: IOT 16×2 LCD can be used for the remote data monitoring using Nodemcu Esp8266 wifi Module and Blynk Application. I have been using 16×2 LCD for displaying the sensors data. 16×2 LCD Physical interfacing with Arduino or Mega or Nodemcu esp8266 wifi module is really a hectic job, as it needs a lot of soldering and needs many IO pins to control a 16×2 LCD.