This is an IT Tutorial about simple things to use Microbit and coding thing Microbits in Makecode. In this tutorial i explained about the Basic codes and codes for buttons. Not just that also the things about the cable (Data: 0; GND: GND; V3: V3).
Makecode is free you can do it in they’re website: https://makecode.microbit.org/. Also to learn it you can go to: https://microbit.org/projects/make-it-code-it/. To learn about the basics of Drag & Drop Codings or maybe if you want Phython & JavaScript.