Review on ✨ HiLetgo 2pcs 5V 2004 1602 LCD Display IIC I2C Adapter IIC Serial Interface Adapter for Arduino Robot Parts by Jennings Ford

Name: ✨ HiLetgo 2pcs 5V 2004 1602 LCD Display IIC I2C Adapter IIC Serial Interface Adapter for Arduino Robot Parts
Item: ✨ HiLetgo 2pcs 5V 2004 1602 LCD Display IIC I2C Adapter IIC Serial Interface Adapter for Arduino Robot Parts
Rating: 5

August 29, 2022

If the display lights up but you don't see any characters.

If the display lights up but there are no characters, check the setting of the small blue variable resistor on the control board. Mine was completely upside down when it came out of the factory. One I tested with a Phillips jeweler's screwdriver had the circuit board and display working properly.

Pros