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WorksheetsSphero - RVR Basics
Total questions: 38
Worksheet time: 19mins
The RVR robot needs
to have the battery charged and inserted correctly to operate.
to be plugged in to operate.
The battery needs to be removed from the robot to charge.
True
False
To insert the battery you need to
push the battery in until it clicks
close the battery door with the key
All of the above
The RVR's color sensor is
on the top of the robot
at the back of the robot
at the front of the robot
underneath the robot
You can only use the color sensor to change the color of the robots LED's
True
False
LED stands for ......
Light Energised Dimness
Large Emitting Diode
Large Energised Diode
Light Emitting Diode
IR stands for
Internal Reader
Infrared
Inferring
Infrareader
The RVR has IR emitters on the
front and back
left and right
front, back, left and right
It doesn't have any
The RVR has ______________ that allow the robot to go over rough terrain.
wheels
treads
sensors
expansions
The robot has lighting sequences that can help you understand whats going on with your robot.
True
False
When you start up the robot the start up LED color sequence is
red to yellow
blue to purple
green to blue
pink to yellow
If your robot travels out of range ........
it will stop working
it will turn around and head back
it will sound an alarm
it will pulse an LED light display around the robot
What is the function of the RVR sensor labeled S1 in this photo?
Front IR transmitter/receiver
Back IR transmitter/receiver
Color Sensor
Ambient Light Sensor
What is the function of the RVR sensor labeled S2 in this photo?
Front IR transmitter/receiver
Back IR transmitter/receiver
Color Sensor
Ambient Light Sensor
What is the function of the RVR sensor labeled S3 in this photo?
Front IR transmitter/receiver
Back IR transmitter/receiver
Color Sensor
Ambient Light Sensor
What part of Sphero RVR is shown here?
The wheel.
The treads or tank track.
The motor.
None of these are correct.
What does the item labeled S2 on this Sphero RVR do?
Allows a computer to be attached to the RVR.
Powers the Sphero RVR.
Measures Ambient Light
It is one of the 2 motors on an RVR.
What does the item labeled S3 on this Sphero RVR do?
Allows a computer to be attached to the RVR.
Powers the Sphero RVR.
Measures Ambient Light
It is one of the 2 motors on an RVR.
What does the item labeled S4 on this Sphero RVR do?
Allows a computer to be attached to the RVR.
Powers the Sphero RVR.
Measures Ambient Light
It is one of the 2 motors on an RVR.
What is the maximum speed that can be programmed for an RVR device?
255
100
50
10
You want Sphero RVR to move in a path that approximates a circle. Which of these commands might do this. CHECK ALL THAT COULD WORK.
You need to code a program to send a message that other RVR devices will only pickup if they are less than 1 meter away from your RVR. Which channels should you consider?
2 and 4
0 and 1
3 and 6
5 and 7
You need to code a program to send a message that other RVR devices will can receive when they are 2 to 3 meters away from your RVR. Which channels should you consider?
2 and 4
0 and 1
3 and 6
5 and 7
Which of the following is an advantage of wheeled vehicles over tracked or tread vehicles?
They have better control and maneuverability when turning.
They place more pressure or force on the surface or terrain traveled on.
They can travel over obstacles that would stop a tracked vehicle.
Wheeled vehicles hold no advantages over tracked vehicles.
Which sensor on RVR can distinguish between the colors of red, yellow, green, blue, and purple?
Color Sensor
Ambient Light Sensor
Infrared Light Sensor
Magnetometer
Which sensor on RVR can detect the amount of light in an environment or room?
Color Sensor
Ambient Light Sensor
Infrared Light Sensor
Magnetometer
Which sensor on RVR can send and receive signals from other RVR's and Sphero Bolts?
None, RVR's cannot communicate with Bolts.
Ambient Light Sensor
Infrared Light Sensor
Magnetometer
Which sensor on RVR provides the rate of change of velocity or speed. (left to right, forward to back, up to down, or combinations of these)?
Gyroscope
Accelerometer
Infrared Light Sensor
Magnetometer
Which sensor on RVR provides the rate of rotation around an axis and is used to keep the RVR on course?
Gyroscope
Accelerometer
Infrared Light Sensor
Magnetometer
Which sensor on RVR determines the direction of motion (N, S, E, W) in degrees?
Gyroscope
Accelerometer
Compass
Magnetometer
This port allows a RVR to connect with a computer and or other devices to increase the functionality of the device?
Universal Serial Bus (USB)
Accelerometer
Universal Asynchronous Receive & Transmit (UART)
Magnetometer
Computer most often physically attached or connected to a Sphero RVR.
Apple iPad
Microsoft Surface Go
Raspberry Pi
It isn't possible to attach a computer to a RVR
A group of robots acting and responding as one.
Swarm
Posse
Herd
Crowd
What is the formal name of the tracked mobile robotic device utilized in this unit of the course
Sphero RVR
Sphero Rover
Sphero Tank
Sphero Bolt
Which message would be the strongest signal for a device 8 feet away from the RVR sending it?
You want your RVR to follow another device using Channel 1. Which command must the device execute 1st in order to do this?
Your RVR is running this program. What action will be taking place 1 second after another RVR close by sends a "1" message?
None
RVR will be following the other device with red lights
RVR will be following the other device with green lights
RVR will be evading the other device with red lights
You want to follow or chase another RVR that is transmitting a signal of "0". Will this program do that?
Yes, but only if the other RVR passes within 1 meter of yours.
Yes, it will work for up to 3 meters away.
No, the RVR will just sit there and display red lights.
No, the RVR will evade the other device instead of following.
