FAQ

I2C 16x2 Arduino LCD Display Module FAQ【DFR0063】

userHead Winster 2022-11-15 11:09:32 1842 Views0 Replies

Q1.Why does my screen not light up or display very dimly after uploading the program? 

A1.Please check whether the backlight of the screen is on normally, and how to adjust the potentiometer on the back of the screen with a screwdriver until the characters are clearly displayed.

 

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