LED driver, LED power supply, LED light accessories, I2C communication protocol - tatanh1983/conchodom GitHub Wiki
PCA8575 Series 5.5 V 16-bit I/O Expander for I2C-Bus with Interrupt - SSOP - 24
https://www.futureelectronics.com/p/semiconductors--comm-products--i2c/pca8575db-118-nxp-7064817