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

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10Pcs PCF8575 IO Expander Board Module I2C to 16 IO Extension Module I2C CommuniDescription CPU Model ARM Cortex A-9 Connectivity Technology I2C Operating System Linux Compatible Devices Microcontrollers (Arduino, Raspberry Pi) Processor Count 1 Smart Home Compatibility Not Smart Home Compatible Item Dimensions L x W x H 1.57"L x 0.83"W x 1.57"H Built-In Media others Warranty Description 1 Unit Count 10.0 Count Included Components others

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.

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