Detail PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For arduino
PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For arduino
Features:
Available library: PCF8575
Working voltage: 2.5 - 5.5VDC
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 other MCU to control simple relay, buzzer, button, led.
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