Board and micro:bit power suply via universal power adapters (6 - 9V) or batteries (6 - 9V). Outputs for connecting standard 4 x DC motors or 8 x lights. Maximum output power 600 mA per connector. Input power should be aligned with the output power of the consumer. Up to 6 sensors, 5 x analog / digital and 1 x digital. Connection for I2C sensor control. Output power 5V and 3.3V. Rubber mounting feet on the model (inserted into the hole element), 60 mm spacing. All standard sensors (photo, mini-switch, magnetic, thermal, etc.) can be used, which outputs up to 5V.