The BBC micro:bit is a single-board computer originally designed for school purposes only. However, due to the great demand, the pocket-sized computer is not only also available on the free market, but also in a second version. The mini computer 40 x 50 mm in size is aimed at beginners as well as experienced hobbyists. Four programming interfaces are available for the development board: Code Kingdoms JavaScript, Microsoft Blocks, Microsoft Touch Develop and MicroPython. This can be used to program graphically or using a text editor. In addition to programming on a PC via USB connection, programming via smartphone or tablet is also practical. New features in V2 • Bluetooth 5.0 (previously 4.0) • Off switch (hold power switch down) • Microphones and LED display • On-board loudspeaker • Touch-sensitive logo • Power consumption LED display • 200 mA for accessories (previously 90 mA) External links • YouTube video about the product - https://youtu.be/gAinqbCpGAI • Support in the form of tutorials and exercises - https://microbit.org/code/