“This connector is a must if you want to work with the various GPIO pins and is especially helpful when using a breadboard.
There are two things that would make this a 5 star to me; 1) a power connector, and 2) a larger prototyping area.
Yes, you can power the micro:bit directly, but it would be a much nicer tool if the connector had a way to power the board so that all you had to do was insert the board and power it on. This would be helpful for setting up multiple boards using the same circuit on a breadboard (or the prototyping area).
Finally, the prototyping area is too small. I would either expand it making it large enough to use a mini breadboard or eliminate it.”
