Sensor and Coding Quiz

You want to build a device that waters plants when the soil is dry. Which sensor should you use?

• Light Sensor

• Temperature Sensor

• Humidity Sensor

• Motion Sensor

You are creating a security system for a classroom. Which sensor would best detect movement?

• Light Sensor

• Motion Sensor

• Gesture Sensor

• Temperature Sensor

You want to display a happy face on the micro when the room temperature exceeds 25°C. Which sensor do you need?

• Light Sensor

• Gesture Sensor

• Temperature Sensor

• Touch Sensor

To automatically turn on a light when it gets dark, which sensor would you use?

• Temperature Sensor

• Light Sensor

• Motion Sensor

• Microphone

Which Python code snippet would display a sad face if the light sensor detects low light?

• if light_level < 25: display.show(Image.HAPPY)

• if motion_detected: display.show(Image.YES)

• if sound_detected: display.show(Image.SURPRISED)

You want to create a gesture-controlled device that shows a thumbs-up when you wave your hand. Which sensor would you use?

• Temperature Sensor

• Gesture Sensor

• Light Sensor

• Touch Sensor

Which code snippet turns on an LED when a sound is detected using the microphone?

• if sound_detected: led.on()

• if light_level > 50: led.off()

• if temperature > 30: display.show(Image.HAPPY)

• if light_level < 20: display.show("Hello")

You want to create a device that alerts you when the temperature drops below freezing. Which sensor should you use?

• Motion Sensor

• Light Sensor

• Temperature Sensor

• Microphone

To automatically turn on a light when someone enters a room, which sensor would you use?

• Touch Sensor

• Light Sensor

• Gesture Sensor

• Motion Sensor

If you wanted to turn off an LED when it gets too bright outside, which code snippet would you use?

• if light_level > 70: led.off()

• if temperature < 20: led.on()

• if motion_detected: led.blink()

• if sound_detected: led.on()