REV Robotics

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REV Robotics Review

Tetrix robots are controlled by two different control methods, the old one developed by Modern Robotics and the new one developed by REV Robotics. This review is focused on the REV robotics hardware. In this article, I will show how well the REV Robotics kit performs.

This Robot Kit was developed by Robert Woodbury (himself a professional electrician) and Bob Johnson (an entrepreneur) from Microsoft. It has been designed for users who want to automate industrial and scientific research and experiments. The robots were created in the laboratory of Robert Woodbury, so it is very useful for researchers who are looking for a low cost and easy to maintain solution. They are also suitable for students as they are able to operate in a closed loop environment, which means that there is no need to release the robot when it detects movement.

Although it has many advantages over other robots, it does have some disadvantages too. One is that the robot has no field recognition feature. So when the researchers need to locate the robot in the lab, they are unable to use the device in the laboratory because it can only find the objects within its field of vision. The other problem is that it only has three wheels.

REV Robotics review was conducted by Bob Johnson. He conducted an independent evaluation of the machine. The evaluation was based on the features and operation of the device.

As far as the machine is concerned, it has two major components: the microprocessor and a control system. These components are the main component of the system and are responsible for controlling all the other components.

The control system is what is responsible for maintaining the robots' behavior. Its main task is to run the machine, keeping the robot safe. The system also controls the robots' mobility and allows them to move about freely.

REV Robotics review was completed by Bob Johnson. He was given an initial assessment of the device and then he was provided with a detailed description of the control system and performance in a laboratory. This was done in order to evaluate the device's abilities. The evaluation was done in order to determine whether or not the device has any faults.

The main issue that the study was based on was whether or not the REV Robotics kit has enough redundancy in its programming. So the software that it uses should be able to detect problems before they occur.

In this case, the study determined that the system is not quite as good as one would have expected. The main issue that they found was the absence of proper software redundancy in the system. The system was designed to run for about four days before it needs to be upgraded and programmed again.

The control system has some inherent flaws. The first flaw was that the software failed to detect the presence of an enemy robot.

Another flaw was that the software could not detect any security issues. It was not able to distinguish between a human and a robot. And finally, it failed to identify if the robot had already left the room, so it had to take the robot out again and re-program it.

The study found that the REV Robotics review did not find the control system to be all that reliable. But it did note that the system has some positive points. One of the positive points is that the system can detect all the possible dangers and hazards. The system is able to do this very quickly and automatically.

One of the flaws noted in the control system is that it could not detect if something was moving in front of the camera. This is a defect that was noted and it was recommended that the user have a video recorder in the lab. This is a weakness that could be rectified. However, the REV Robotics review did state that it is unlikely that the device could be a good choice for the government.

The REV Robotics Expansion Hub

This is an inexpensive hardware controller which might communicate with any computer, including Android tablets/phones and also the REV Robotics Control Hub. The Expansion Hub is fully loaded with hardware interface options to enable driving motors and servos, interfacing with sensors, and communicating with other devices via many protocol options. The Hub incorporates ESD and reverse polarity protection and is purpose built to face up to the trials of use within the classroom or on the competition field. additionally to the inbuilt protections, the Hub also features keyed and locking connectors to stop connection problems within the heat of competition and is fully field up gradable so your hardware can always run the foremost up-to-date firmware.


The REV Hub Interface could also be a beta software which allows for direct connection to your REV Expansion Hub and its peripherals from your PC.
This interface provides a way for teams to prototype with motors, servos, and sensors during a way that's faster and easier than fixing a whole robot system . it's also a valuable troubleshooting tool which will help isolate the explanation for a problem and determine if it's electrical or software related. The Expansion Hub firmware also can be updated through this interface additionally to the Robot Controller Application.


It is highly recommended that you simply update the firmware on your REV Expansion Hub to the newest version from their official website.


Physical Dimensions
  • 143mm X 130mm X 29.5 mm
  • Mounting holes on a 16mm spacing
Actuator interfaces
  • 2 - DC motor ports with built-in encoder ports
  • Control position and velocity of DC motors
  • 6 - Servo motor ports
  • Small and straightforward to regulate actuators
Sensor and device interfaces
  • 8 - Digital input/output ports
  • 4 - Analog input ports
  • 4 - Independent I2C ports
  • 1 - Internal 9-axis IMU
Additional expansion interfaces

  • 2 - RS485 ports
Connect additional Expansion Hubs to feature more actuator and sensor ports.
Learn more about the Expansion Hub in our Product Brief


QTY 1 - Expansion Hub
QTY 1 - XT30 Extension Cable, 30cm
QTY 1 - 3-pin JST PH Cable, 30cm

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