This base was able to provide 3v and 4.5 v as well as having a useful switch and speaker point.
The connector block is to simplify connecting it up to the Pi / Microbit / Circuit Playground Express
Reassembly
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This base was able to provide 3v and 4.5 v as well as having a useful switch and speaker point.
The connector block is to simplify connecting it up to the Pi / Microbit / Circuit Playground Express