What is AI doing during the Drive I-5 experiment?

AstroPiQuake Temperature Smiley

Click on the device, then move the temperature
slider to see Smiley's face change color

Air MacClean CO2 Sensor

Air MacClean detects CO2 and TVOC

Build your own air quality sensor

AstroPiQuake Earthquake Detector

Click on the device
grab the emulator with your mouse
shake it to simulate an earthquake
watch the accelerometer readings

Enviro senses temperature, pressure, light, local color, accelerometer readings, and magnetometer data

Build your own environment sensor

Why use more than one sensor?

What does this chart show?