The SX1509 16 Output I/O Expander Breakout Board makes it easy to prototype using the SX1509 so you can add more I/O onto your Arduino or I/O limited controller. It can leverage your I2C interface for ...

Arduino library for the SX1509 16-I/O expander. Capable of driving LEDs - with blink, and breathe functions - or monitoring up to 64 buttons in an 8x8 array. Are you low on I/O? No problem! The SX1509 ...