Price: $17.99
(as of Apr 18, 2024 18:41:08 UTC – Details)

Product Description

Specification

Display: 4-lines x 20-characters

Backlight: Blue/green with white character color

LCD controller: HD44780

Pin Definition: VCC, GND,SDL and SCA

Contrast Adjust: Potentiometer

Backlight Adjust: Jumper

Default Address: 0x27 for PCF8574T chip; 0x3F for PCF8574AT chip

Working Voltage: 5V

Package

3 * 20×4 2004 lcd display

3 * I2C serial interface

LCD2004+I2C 2004 20×4 2004A Blue/Green screen HD44780 Character LCD /w IIC/I2C Serial Interface Adapter Module for arduino
It is a high-performance serial bus with bus rules and high-speed or low-speed device synchronization required for multi-master systems. The I2C bus has only two bidirectional signal lines, a serial data line (SDA) and a serial clock line (SCL).
Compatible with all devices with I2C interfaces, such as for Arduino, raspberry pi, beagle bone black, tinker board, stm32, esp32 and more.
Default Address: 0x27 for PCF8574T chip; 0x3F for PCF8574AT chip; please check which chip you have on i2c interface. (Before you upload the code to the control board, please download the LiquidCrystal_I2C library)