Product Description
This adapter solves problem that IO port is not enough when connecting sensor, card or relay modules to control board.
Original 1602 display need 7 IO port to drive, while this adapter can save 5 IO port for you.
It supports I2C protocols, designed with IIC/I2C port.
Designed with backlight and contrast ratio adjustment potentiometer.
Convenient to use, 4-wire output is more simple.
