Need help with codes (continuity cable tester with lcd 16x2 i2C)

[TomGeorge]

Hi,

@hoangv

also have NewLiquidCrystal library installed, i don't know how to change the code from 20x4 to 16x2 i2c

Change;

 lcd.begin(20, 4);

to;

 lcd.begin(16, 2);

Its in the setup() statement.

Tom....