Seeed grove connector cables and jumpers seeed studio 110990027 the universal 4 pin grove connectors from seeed studio simply connect between two grove boards such as between a grove base shield and a grove add on module handy for rapid prototypingseeed provide technical documentation example projects and software libraries on their product pages if you require this information please visit this products page seeed 110990027 grove universal 4 pin grove connector 20cm cable pack of 5