Expansion Board I2C Communication Control 16 IO Ports PCF8575 Moudle for Arduino

Product Description

Descriptions:

Are the I / O pins exhausted? This great module allows the user to expand up to 16 i / o using only two i / o for control. The PCF8575 is controlled via an I2C interface and features 16-bit near-bi-directional input / output pins.

On board 3.3V level converter circuit, if you don't solder pad of VCC-VDD, the PCF8575 level is 3.3V. If you solder it, the level will be the same with VCC

Characteristics:

Your available library: PCF8575

Operating voltage: 2.5-5.5VDC

Operating current: 100mA (max)

I2C address: 0x20 (default), can be modified by soldering A1 and selection pads A2.

16 individually addressable pins.

Each pin configurable for input or output

Open drain interrupt output pin for input change interruption.

Ideal for UNO R3 and other MCUs to control simple relay, buzzer, button, led. 

Size: 4x2 1cm / 1.57x0.83inch

Package Included:

1PC


Note: 

1.Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.

2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!


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