The BBG and BBGW can be powered using a standard USB port on a PC and also using a 5 V external power via P9. The BBG can also be powered using a Cat5e or Cat6 cable through the Ethernet port. Various kinds of expansion boards will be required when making different projects using BBG and BBGW. So, Seeed offers a few expansions boards for the BeagleBones called Capes, and they come as HDMI Cape, Grove Base Cape, and Motor Bridge Cape. It is very easy to use these Capes, because they can easily be connected on top of the BeagleBones. The Grove Base Cape provides twelve easy-to-use Grove connectors to plug-and-play with the big family of Grove modules. The connectors include 2x UART, 2x ADC, 4x Digital I/O, and 4x I²C that interface to the pins on the BeagleBone board, offering almost everything needed. Also, the Motor Bridge Cape features bi-directional motor control using 2 TB6612FNG integrated dual H-bridge, so it can control two stepper motors or four brushed DC motors with 6 to 15 VDC power and about 1 A current draw per motor. The cape provides 5 V regulated power to the BBG and BBGW with a max input voltage of 15 V. It also has six servo control interfaces and six expanded I/Os. All the features are provided by the onboard STM32F0 co-processor.