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10Pcs PCF8575 IO Expander Board Module I2C to 16 IO Extension Module I2C Communi
$28.22
- 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.
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 DCWorking 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 outputOpen-drain interrupt output pin for input change interrupt.Great for R3 and other MCU to control simple relay, buzzer, button, led.Size: 4x2.1cm/1.57x0.83inchNote: 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
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10Pcs PCF8575 IO Expander Board Module I2C to 16 IO Extension Module I2C Communi$28.20
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10Pcs PCF8575 IO Expander Board Module I2C to 16 IO Extension Module I2C Communi$28.22
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