The Grove LED Bar can be used as a indicator for remaining battery life, voltage, water level, music volume or other values that require a gradient display.
This water sensor module is part of the Twig system. This sensor works by having a series of exposed traces connected to ground and interlaced between the grounded traces are the sens traces
This sensor is used for detecting the intensity of incident ultraviolet (UV) radiation. It is based on the sensor GUVA-S12D which has a wide spectral range of 240~370nm.
This is a 4-pin, 2.0mm pitch, DIP Grove Female Header pack with 10pcs, which is suitable to perform wire transfers and get your board to connect to components.