"The Grove Base HAT for Raspberry Pi offers a digital/analog/I2C/PWM/UART connector that meets all your needs.
Using the built-in MCU, a 12-bit 8-channel ADC is also available for Raspberry Pi.
features- compatible with all popular Raspberry Pi models- built-in MCU- 12-bit ADC- Multi-type Grove connectionspecifications- Operating voltage: 3.3 V- MCU: STM32- ADC: 12-Bit 8-Channel- 6x Digital Grove Port- 4x Analog - 3x I2C - 1x PWM - 1x UART- Raspberry Pi communication bus: I2C- I2C address: 0x04Delivery without Raspberry PiFor the users of Grove (especially beginners) there are instructions in pdf format.
Before using the product you should read the chapters ""Preface"", ""Getting Started"" and ""Introduction to Grove""!Further information on the product as well as data sheets, instructions and downloads can be found at http://wiki.seeedstudio.com/Grove_Base_Hat_for_Raspberry_Pi/"