Have you run out of I/O pins? This great IC allows the user to expand up to 16 I/O using only two I/O for control! The PCF8575C is controlled through an I2C interface and features 16-bits of quasi-bidirectional input/output pins. Checkout the datasheet for more info!
Features:
- 16 individually addressable pins
- Each pin configurable for input or output
- Interrupt output pin
- Arduino pin expander extension
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