10Pcs PCF8575 IO Expander Board Module I2C to 16 IO Extension Module I2C Communi

10Pcs PCF8575 IO Expander Board Module I2C to 16 IO Extension Module I2C Communication Control 16 Bit Smbus I/O Ports

AITIAO 5Pcs PCF8575 IO Expander Board I2C to 16 IO IIC I2C I/O Extension Shield Module DC 2.5-5.5V I2C communication control 16 IO library: PCF8575

Working voltage: 2.5 - 5.5V DC

Working current: 100mA(MAX)

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

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

Note: On board 3.3V level converter circuit, if you donot solder VCC-VDD pad, the PCF8575 level is 3.3V. If you solder it, the level will be the same with VCC

Package Included:

• 10Pcs PCF8575 IO Expander Board Module

• Available library: PCF8575; I2C address: 0x20(default),can be modified by installing A1 and A2.
• Working voltage: 2.5 - 5.5V DC; Working current: 100mA(MAX)
• The PCF8575 is controlled through an I2C interface and features 16-bits of quasi-offerirectional input/output pins.
• Open-drain interrupt output pin for input change interrupt.
• The PCF8575 IO expander board is great for R3 and other MCU to control simple relay, buzzer, button, led.

• CPU Model ARM Cortex A-9 Connectivity Technology I2C Operating System Linux Compatible Devices Microcontrollers (Arduino, Raspberry Pi) Processor Count 1 Item Dimensions L x W x H 1.57"L x 0.83"W x 1.57"H Built-In Media others Number of Packs 1 Number of Items 10 Unit Count 10 Count Warranty Description 1 Included Components others

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