Ultrasonic Sensors
Touch Sensors
100

How many ultrasonic sensors does a Leanbot have?

1

100

How many Touch Sensors does the Leanbot have?

4

200

What are the two parts of the Ultrasonic Sensor?

Transmitter and Receiver

200

Touch Sensors send 2 signals, 0 = LOW and 1 = HIGH. What do these 2 signals mean?

0 (LOW) - not touched

1 (HIGH) - touched

300

What does Cm means in the function Leanbot.pingCm()?

centimeters

300

What are the names of the touch sensors?

TB1A, TB1B, TB2A, TB2B

400

How much distance can the Ultrasonic be able to detect?

2 cm to 300 cm

400

What conditional statement can have 3 or more conditions?

Nested IF

500

Give at least 3 limitations of the Ultrasonic Sensor.

- Signal-absorbing objects like pillows, blankets, or foam
- oblique or rough surfaces

- the object is too far away

500

How do the touch sensors detect physical touch?

It measures changes in electrical capacitance when our body emits electricity when we touch it.