4 Pieces IIC/ I2C/ TWI LCD 1602 16×2 Serial Interface Adapter and 16×2 1602 LCD Module Display Blue Backlight Compatible with Arduino R3 MEGA2560 (Blue)

Price: $10.99
(as of Jun 20,2021 20:09:28 UTC – Details)

Features:

Good function:
The LCD with I2C port nicely enriches the human-computer interaction functions, and when they are connected to the controller, the controller without too many external ports will not occupy multiple IOs, and will not restrict other functions of the controller. It has 2 bidirectional data lines, a serial data line and a serial clock.

Specifications:
Display: 2-lines x 16-characters
Four pin definition: GND, VCC, SDA, SCL
Default I2C bus address: 0 x 3F for PCF8574AT chip, 0 x 27 for PCF8574T chip
Working voltage: 5V
LCD controller: HD44780
Adjust Contrast: potentiometer
Adjust Backlight: jumper

Package includes:
2 x LCD display
2 x I2 C serial interface

Warm notes:
The mention of brand names and any related models above is only for purposes of demonstrating compatibility, our brand name is Frienda.
Manual measurement, please allow slight errors on size, and the color might exist slightly difference due to different displays.

Default address: 0 x 27 for PCF8574T chip; 0 x 3F for PCF8574AT chip; Please kindly check the chip of the i2c interface; (Please remember to download the liquid crystal I2C library on before uploading the code to the control board)
Compatibility: LCD display with I2C serial interface is compatible with Arduino and Raspberry pi; Working voltage: 5V; Come with a potentiometer, which is applied to adjust backlight and contrast; How to wire: GND—GND; VCC—VCC; SDA—A4; SCL—A5
Wide application: LCD module is applied to display characters, letters, numbers, real time clock and temperature
Display function: LCD display with I2C serial interface can be applied to display real time clock, temperature, humidity and so on; (A potentiometer is also necessary to adjust the contrast; Working Voltage: 5V )