Why Is My I2C 1602 Serial LCD Display Not Showing Text? Understanding the I2C 1602 Serial LCD ModuleBefore diving into troubleshooting, let's briefly review what an I2C 1602 serial LCD module is and how it works.The I2C 1602 LCD module consists of two main components:1. A standard 16x2 character LCD display2. An I2C adapter board (usually based on the PC