LCD I2C wiring issue

Welcome to the forum.
Can you give a public link to the Tinkercad project ?
Be careful, there are two links: one public link so others can make a copy to tinker with and one to share your project with others and then everyone can change your project.

Did you know that the potentiometer of 10k for the contrast can be a potentiometer of 1k between V0 and GND (5V is not connected) or a single resistor to GND of 470Ω or 1kΩ ?

1 Like