This module implements a driver for the sx1509, an IO Expander device addressable via I2C. It was implemented against this board: https://www.sparkfun.com/products/13601
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- Apache License, Version 2.0 (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
- MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)
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