Hi! I am trying to setup 2 LCDs, 1 by 1, with nodeMCU ESP8266, the first display is LCD1602 address 0x27, the scond is LCD 20x4 address 0x3F, all I get is a blank screen , its light, but no change. Pinout: D1 to SCL, D2 to SDA, Vin to VCC, GND to GND #include <LiquidCrystal_I2C.h> LiquidCrystal_…

ESP8266 nodeMCU

ArakelTheDragon April 2, 2024, 3:01pm 3

I don't want to type the same code just to change the first line from 0x27 to 0x3F.

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