915 Generation 5Pcs PCF8575 IO Expander Module I2C to 16 IO Integrated Circ

Have you run out of I/O pins? This great module allows the to expand up to 16 I/O using only two I/O for control! The PCF8575 is controlled through an I2C interface and features 16-bits of quasi-bidirectional input/output pins.
On board 3.3V level converter circuit, if you donot solder VCC- pad, the PCF8575 level is 3.3V. If you solder it, the level will be the same with VCC available library: PCF8575
Working voltage: 2.5 - 5.5V DC
Working current: 100mA(MAX)
I2C address: 0x20(default),can be modified by soldering A1 and A2 pads.
16 individually addressable pins.
Each pin configurable for input or output
Open-drain interrupt output pin for input change interrupt.
Great for R3 and other MCU to control simple relay, buzzer, button, led.
Size: 4 x 2.1cm/1.57 x 0.83inch
Condition: New
Type: Smart Electronics
Model Number: PCF8575
Application: Electronic experiment
Operating Temperature: -40℃ ~ +85℃
color:As shown
Material:PC+Metal Package Contents:
5 x PCF8575 IO Expander Module Only the above package content, other are not included.
Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.