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Modern life is full of sensors. Wherever you are, at home or travelling, you are surrounded by sensors monitoring all sorts human activities. Sensors lurk in many everyday devices and gadgets such as mobile phones, washing machines, cameras, motor cars and so on; the list is endless. Learning to program the BBC micro:bit is an ideal way of understanding how sensors and computer chips are used to control so many aspects of our daily lives.

The BBC micro:bit not only contains several built-in sensors of its own, it also allows you to connect more sensors of your choice. When you want to control external devices such as mini-motors, audio equipment, buzzers or even more LEDs, you can connect those also.  Do all these things to make games, music and your own gadgets.

• LED display; Can be used for creating animated patterns and showing messages and information.

• Two buttons for telling a program to perform tasks.

• Inputs and outputs for connecting external sensors, switches and devices.
  
  
  

• A thermometer for measuring temperature.

• A compass for detecting directions.

• An accelerometer for detecting tilting, movement and shaking actions.