Here is a list of all topics with brief descriptions:

[detail level 12]

newlib	Serial
▼Hub
Battery	APIs for battery
Bluetooth	API for bluetooth
Button	APIs for button
Display	API for the hub built-in display
IMU	API for the hub built-in IMU
Light	API for the hub built-in status light
Speaker	APIs for speaker
System	API for the entire hub system
▼PUPDevice
Color Sensor	APIs for color sensors
Force Sensor	APIs for force sensors
Motors	APIs for motors
Ultrasonic Sensor	APIs for ultrasonic sensors