DIYmall ADS1115 Super Mini 16 Byte ADC Module Precised Analog Digital Converter Develop Board Wide Supply Range: 2.0V to 5.5V . Internal Low-drift Voltage Reference. Low Current Consumption: Continuous Mode: Only 150A ;Single-Shot Mode: Auto Shut-Down. Programmable Data Rate: 8SPS to 860SPS . Document link:https://drive.google.com/open?id=0B4XvqQlEcMDQM0JjZENXVUI0cDQ