Ultrasonic

What does an ultrasonic sensor measure?

• Distance

• Temperature

• Height

What does the ultrasonic sensor send out?

• Light

• Sound waves

• Electricity

Which part of the ultrasonic sensor "talks"?

• Echo

• Trigger

• Vcc

• GND

Which part of the ultrasonic sensor "listens"?

• Echo

• Trigger

• GND

• Vcc

Where do we connect VCC on the micro:bit?

• GND

• 3V

• P0

Where do we connect GND from the sensor?

• GND

• 3V

• P0

What does the Echo pin do?

• Makes sound

• Sends light

• Measures time

What unit is distance usually shown in?

• centimeters

• meters

• Hours

What happens when something is very close to the sensor?

• It shows a small number

• It shows a big number

What happens when something is far away?

• Small number

• Big number