Draw a flow diagram for your projects functionality
Program the circuit playground to your projects inputs and outputs
Make a prototype for your project, test different materials, put all the parts together.
Test and observe
Make changes in your code or/and your prototype
Repeat the last two steps as needed.
Reflect and share
What did I discovered by doing this project?
What did I wish I new before this project?
What was the most difficult part and how I overcame it?
What do I love from this project?
What do I want to improve in this project.
Take some pictures of your project and share it on a presentation or video, try to use as little text as possible and tell the story of how you got where you are with your project.