External Inputs to Microbit

What sensor is this?

• External Switch

• Photocell

• Flex sensor

• Pressure sensor

What sensor is this?

• External Switch

• Photocell

• Flex sensor

• Pressure sensor

What sensor is this?

• External Switch

• Photocell

• Flex sensor

• Pressure sensor

What Microbit pins do you wire for a pressure sensor?

• 3V and P0, P1 or P2

• GND and P0, P1 or P2

• 3V and GND

• 3V and P0 only

What Microbit pins do you wire to for an external switch?

• 3V and P0, P1 or P2

• GND and P0, P1 or P2

• 3V and GND

• 3V and P0 only

How do you insert the alligator-to-pin wires to the Flex sensor or Pressure sensor?

• First the black pin, then the red pin

• Pinch them & insert together

• First the red pin, then the black pin

• Trick question - you use alligator-to-alligator wires

What block should I use to measure my pressure sensor?

• Digital Read

• Digital Write

• Analog Read

• Analog Write

What block should I use to measure my photocell?

• Digital Read

• Digital Write

• Analog Read

• Analog Write

What block should I use to see if my external switch circuit is closed or open?

• Digital Read

• Digital Write

• Analog Read

• Analog Write

When should I create a variable for my program?

• When it will be repeating forever

• When it will measure a new value repeatedly

• When it needs to remember a value to use it more than once

• Whenever I do a digital read