Hello
- There are sample code in website about this board:
TWR-K70F120M|Tower System Board|Kinetis MCUs|NXP

- Which IDE do you used ? If CodeWarrior or KDS, you can also create Processor Expert Project,
it is a great tool for beginner:

then add the Component, for example if you want to LED project, you can add BitIO or GPIO component,
then there will be Typical Usage:

I also attached the Processor Expert user guide for you .
Hope it helps
Have a great day,
TIC
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