The micro:bit is a small micro-controller produced by the BBC. It costs just under $20 and is available from many places (sparkfun, adafruit, amazon...). There are many resources to get you started and to share projects, beginning with microbit.org . A whole industries of expansion boards has popped up for people to utilize the full functionality of the board. It can be programmed using makecode on a variety of platforms (Windows, Linux, Mac OS, iOS, Android), as well as micropython and scratch. A good use for it is getting coding off the computer and out into the physical world to control lights and motors and sensors.
The presentation has examples of where to use it in the curriculum, details about the device, and details on how to code and connect various components. The "speaker notes" have highlights and links to videos describing the coding and connections, as well as links to resources and where to buy the materials.
The presentation has examples of where to use it in the curriculum, details about the device, and details on how to code and connect various components. The "speaker notes" have highlights and links to videos describing the coding and connections, as well as links to resources and where to buy the materials.