Dec 2012 Arduino library for Texas Instruments ADS7828 12-bit, 8-channel I2C A/D converter
Dec 2012 Arduino library for Texas Instruments PCF8575C 16-bit I2C I/O expander
Sep 2016 i2c_adc_ads7828 v2.0.2 released
Sep 2016 I2cDiscreteIoExpander v4.0.1 released