I2C MODULE FOR 16X2 Display Connector (Free 4 Jumper Wires)

Specification

• Power supply voltage: 5V
  
• I2C bus voltage: 5V
  
• I2C address: 0x27 (can vary depending on the manufacturer)
  
• Compatible LCD display: 16×2 character LCD module
  
• Number of pins: 4 pins (VCC, GND, SDA, SCL)
  
• Contrast adjustment: potentiometer on the I2C backpack module
  
• Backlight control: can be controlled via software commands

Description

I2C (Inter-Integrated Circuit) is a popular serial communication protocol used to connect multiple devices together with a minimum number of pins. The 16×2 module is a commonly used LCD module with a resolution of 16 characters per line and 2 lines.

To interface the 16×2 module with an I2C bus, an I2C backpack module is required. The I2C backpack module is a small circuit board that sits between the 16×2 module and the I2C bus. The technical specifications of the I2C backpack module for a 16×2 module are as follows:

1. Power supply voltage: 5V
2. I2C bus voltage: 5V
3. I2C address: 0x27 (can vary depending on the manufacturer)
4. Compatible LCD display: 16×2 character LCD module
5. Number of pins: 4 pins (VCC, GND, SDA, SCL)
6. Contrast adjustment: potentiometer on the I2C backpack module
7. Backlight control: can be controlled via software commands

The SDA (serial data) and SCL (serial clock) pins are used for communication between the I2C backpack module and the microcontroller. The I2C address is set by connecting the A0, A1, and A2 pins on the I2C backpack module to either GND or VCC to set the address to one of the possible values.

Overall, the I2C backpack module for a 16×2 LCD module provides a simple and efficient way to interface with an LCD display using only four pins and the I2C communication protocol.