Description:-
I2C Module has a inbuilt PCF8574 I2C chip that converts I2C serial data to parallel data for the LCD display.
These modules are currently supplied with a default I2C address of either 0x27 or 0x3F. To determine which version you have check the black I2C adaptor board on the underside of the module. If there a 3 sets of pads labelled A0, A1, & A2 then the default address will be 0x3F. If there are no pads the default address will be 0x27.
The module has a contrast adjustment pot on the underside of the display. This may require adjusting for the screen to display text correctly.
Features:-
Operating Voltage: 5V
Backlight and Contrast is adjusted by potentiometer
Serial I2C control of LCD display using PCF8574
Come with 2 IIC interface, which can be connected by Dupont Line or IIC dedicated cable
Compatible for 16x2 LCD
This is another great IIC/I2C/TWI/SPI Serial Interface
With this I2C interface module, you will be able to realize data display via only 2 wires.
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