![]() ![]() Overall plugging this shield on to Arduino will give 61 pins to work with (including existing Arduino’s I/Os), for using them as analog inputs, digital inputs, and digital outputs. 28 of these pins are digital I/Os controlled via I2C communication by using two I2C pins on Arduino (A4 and A5) and rest 16 can be used as analog inputs, which uses only one analog pin(A0)of Arduino. FREE delivery Mon, Sep 26 on 25 of items shipped by Amazon. This shield will add 44 additional I/O pins to your Arduino. 2PCS PCF8575 IO Expander Board Module I2C to 16IO IIC I2C I/O Extension Shield Module 16 bit SMBus I/O Ports for Arduino UNO R3. Features: - Arduino available library: PCF8575 - Working voltage: 2.5 - 5.5VDC - Working current: 100mA (. This shield suitable for applications that need to control more input and output devices(sensors, LEDs, etc.). If you solder it, the level will be the same with VCC. Numato Lab’s IO Expander Shield extends Arduino’s digital and analog I/O pins and makes Arduino suitable for high pin count applications. ![]()
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