![enter image description here][1] **DESCRIPTION** Grove - I2C ADC is a 12-bit precision ADC module based on ADC121C021. It helps you increase the accuracy of value collected from analog sensor by providing a constant reference voltage. Because its address is changeable, you can use up to 9 I2C ADC at the same time at most. At the other hand, this module provides auto sleep function which lowers the power consumption considerably. **Features** Low power consumption High precision Automatic power-down mode Address changeable **Documents** Please visit our [wiki][2] page for more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials. For technical support, please post your questions to our forum. For more detail, please visit: http://www.seeedstudio.com/item_detail.html?p_id=1580 [1]: /editor/20160710/578206ad79ca8.png [2]: http://www.seeedstudio.com/wiki/Grove_-_I2C_ADC