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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 Ports

KWD 5
KWD 8.500
Brand
AITIAO
Weight
18 g
All electronics ship with US style plugs. You may need a voltage converter or a plug adapter.
– 1 +

Special Features

  • 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-bidirectional 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.

Description

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 ports
Features:
Available 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:
5Pcs PCF8575 IO Expander Board Module

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