PLSE_UNOR4_4.0.ino Program for Arduino UNO R4, Display LCD 1602 I2C.

The PLSE_UNOR4_4.0.ino program for Arduino, Display LCD 1602 I2C. file posted on the web has been modified and now heats up faster, and you can make an adjustment by connecting and disconnecting a ground wire on pin D8.

The library for the LCD Display 1602 I2C module (“LiquidCrysta I2C" by Frank de Brabander, version 1.1.2) can be found at the following link:

https://github.com/johnrickman/LiquidCrystal_I2C