LCD Screen
- Connect your OLED screen to nodeMCU
- Search for and install "SSD1306Ascii" library from "Sketch->Include libraries->Manage library" menu.
- Download sketch from github
- Open sketch. Compile and upload on nodeMCU.
- Your screen should show strings for temperature, humidity and air pressure. The fourth line of your LCD shows the loop number.
Topics: LCD displays, I2C protocol