Learning Guide Update Alert: Mystery Box: The Freefall Deck now can now be built with MakeCode on the Circuit Playground Express! This innocent looking deck of playing cards contains a secret puzzle. When it is tossed into the air, and achieves a state of freefall, it reveals a hidden, audio Morse code message…
Now, you can program the effect using the MakeCode graphical programming interface right in your web browser. What a world!
Point your browser here to learn how to program The Freefall Deck with MakeCode!
Source: Adafruit – Arduino