ITEM NAME:ADS1115 16 Bit 4 Channels Analog-To-Digital Converter I2C ADC Development Board.High precision ADS1115 16 Bit 4 Channel Analog-to-Digital ADC Converter. 1 ADS1115 Analog-To-Digital Converter. Especially a good tool for the Raspberry Pi, there is no analog GPIO pin; Easy to use I2C ADC Converter, with Programmable Gain Amplifier.