AITIAO 5Pcs PCF8575 IO Expander Board I2C 16 IO IIC I/O Extens | Shop The World
From USA
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AITIAO 5Pcs PCF8575 IO Expander Board I2C to 16 IO IIC I/O Extension Shield Module DC 2.5-5.5V I2C Communication Control 16 IO Ports
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Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•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.
From USA
