https://gardfish.net/T3_2023/MicroBit%20Metal%20Detector/TI-84%20Plus%20CE%20Python%20-%20Microbit%20Versions%201%20and%202/Use%20on%20Version%202%20microbit%20Card/?C=D;O=A
metal detectorindexmicrobittiplus
https://microbit.eeducation.at/wiki/Hauptseite
microbitdas
https://www.ishanakumar.com/classes/coding/microbit-robotics/what-is-a-bbc-microbit
Here is : What is a BBC microbit
what isishanakumarbbcmicrobit