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2 PCS PCF8575 I2C I/O Extension Shield Expansion Port Expander Board 16 Ports For Sale

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2 PCS PCF8575 I2C I/O Extension Shield Expansion Port Expander Board 16 Ports

Price: US $16.44

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2Pcs PCF8575 I2C IO Extension Shield Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports for ArduinoProduct GalleryProduct Specifications

2Pcs PCF8575 Module Expansion IO port Expander board DC 2.5-5.5V I2C communication control 16 IO ports For Arduino
Have you run out of I/O pins? This great module allows the user 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-offerirectional input/output pins.
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
Working voltage: 2.5 - 5.5V DC
I2C address: 0x20(default),can be modified by soldering A1 and A2 selection pads. 16 individually addressable pins. Each pin configurable for input or output

Key Features

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

Features:

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 selection pads.

16 individually addressable pins.

Each pin configurable for input or output

Open-drain interrupt output pin for input change interrupt.

Great for UNO R3 and other MCU to control simple relay, buzzer, button, led.

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

Quantity: 2Pc

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