| I2cDiscreteIoExpander | Arduino library for the Texas Instruments PCF8575C 16-bit I2C I/O expander. |
| i2c_adc_ads7828 | Arduino library for the Texas Instruments ADS7828 12-bit, 8-channel I2C A/D converter. |
| ModbusMaster | Enlighten your Arduino to be a Modbus master. |