IIC/I2C/TWI/SPI Serial Interface Board Module Port for 1602 LCD Display PCF8574T (MD0028)
I2C Address: 0X20 to 0X27 (the original address is 0X20; you can change it yourself.)
Supply voltage: 5V
the backlight and contrast are adjusted by potentiometer
It comes with two IIC interface, which can be connected by Dupont Line or IIC-dedicated cable
Compatible for 1602 LCD and 2004 LCD
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