[ ] How to make the way for the playground circuit board to communicate with users: like touch or push buttons or control via phones to play something.
[ ] How to make the QTPY communicate with the Pico4ML, or using the Pico4ML's camera, and showing the video on the output screen timely.
[ ] How to use Cpp to control the speaker's power as the sensor detected something. Like replacing the relay control.
[ ] How to take pictures, by the PIco4ML storage and sentit to the users via WIFI.