The Raspberry Pi does not have the analog reading ability, which limits many of usage& application. This A/D module provides the ability to read analog data for Raspberry Pi. The ADS1115 is analog-to-digital converters (ADCs) with 16 bits, it converts the analog data to digital and transferred them to Raspberry Pi via I2C Bus. it operates from a single power supply at 3.3V. with this module, your Raspberry Pi can work with analog sensors such as a joystick, NTC, temperature, dust sensor, etc.
How to wire up?
Just Plug into GPIO with this module.
NOTE: Please beware of the No.1 Pin is fit for your GPIO No.1 Pin.