Built-in independent potentiometer, backlight can be adjusted through the back potentiometer.
Widely used in: Internet of Things, school electronics projects, smart buildings, maker DIY projects, etc., can display letters, characters, numbers, real-time clock or temperature.
Description
Specifications:
Display: 4-lines x 20-characters
Four Pin Definition: GND, VCC, SDA, SCL
Default I2C bus address: 0 x 27 for F8574T chip
Working voltage: 5V
Adjust Backlight: Potentiometer
Package includes:
3 x LCD module
1 x 10pin F-M jumper wires