Hub-to-Hub Communication Brings New Possibilities

Hub-to-Hub Communication Brings New Possibilities to MINDSTORMS

MINDSTORMS recently added a new feature to the Robot Inventor that allows creators to connect two or more hubs together. These new programming blocks allow for new and creative multi-hub projects where one hub can communicate with another. Hub-to-hub communication opens up endless possibilities for creating remote control applications, dance companions, games, and complex animals.

Below are some inspirational projects that use two or more hubs that are created by the ROBOTMAK3RS, a global community of robot experts. You can find most of these projects in the official the MINDSTORMS App in the Community section. Both building instructions and code available for you to try out.

Get ready for a competitive, fast-paced multi-player game. Sanjay and Arvind Seshan (USA) create a quick-to-build multiplayer racing game called Color Catcher. This game allows two players to race to the color that is displayed on the hub. Players navigate their robot by using the buttons on the hub to pick a direction and then tap on the hub itself to make their robot move in that direction. The first player to successfully “catch” the color scores a point.

Dimitri Dekyvere (Belgium) and Laurens Valk (the Netherlands) use two hubs to create an engaging balancing robot with an accompanying remote control. Using the joystick, you can control the Balancing Bot with your second hub.

Always dreamed of training to become an astronaut? With the Shuttle Simulator by Nard Strijbosch (the Netherlands) you can start your journey! Nard uses two hubs to create a Shuttle Simulator that is sure to test your piloting skills. One hub serves as a shuttle and the other as the controller. The player can fly the shuttle using the controller.

You may have thought that Charlie is an excellent drummer. It turns out Charlie is also an excellent dance instructor! This fun and interactive project is sure to bring a lot of smiles. Anika Brandsma (the Netherlands) recreates a Dance Class using two hubs. The human dancer holds a hub in one hand and imitates Charlie’s movements.

If you have more than two MINDSTORMS sets, you might enjoy creating this amazing snake by Anton Vanhoucke (the Netherlands). The snake avoids obstacles and can even follow lines using a color sensor. Adding additional segments is extremely easy. Anton has put in much effort to ensure that the movement of the snake is as realistic as possible. You are sure to enjoy watching your Robot Inventor Snake slithering across the floor. This model is available for purchase directly from Anton.

Celebrating MINDSTORMS with a Remix - Part 3

The ROBOTMAK3RS continued their celebration of the 25th Anniversary of MINDSTORMS through these Fall and Winter remix projects. Each ROBOTMAK3R was tasked with selecting one LEGO set of their choice and combining it with a MINDSTORMS set. Below are the five amazing models they came up with. Braill3 by Jerry Nicholls Braill3 is an EV3-based LEGO Braille bricks reader. This robot uses its fingertip, made from three touch switches, to read messages written using the LEGO Braille bricks and will speak out what it detected. If it sees a simple maths problem it will attempt to solve it and give the answer as well. To learn more about the process of creating this machine, read Jerry's blog . Braill3 can be viewed here . Set Review: The Braille Bricks set is well thought out. The ratios of the letters is suitable for general use and the addition of some punctuation and arithmetic operators is excellent. There is a card showing what bricks there are and their quantities, but no form of sort...

Celebrating MINDSTORMS with a Remix - Part 2

The ROBOTMAK3RS continued their celebration of the 25th Anniversary of MINDSTORMS through these summer and fall remix projects. Each ROBOTMAK3R was tasked with selecting one LEGO set of their choice and combining it with a MINDSTORMS set. Below are the five amazing models they came up with. Remote controlled material handle r by Jozua van Ravenhorst (aka Mr Jo) This remix combines the LEGO Technic Material Handler (42144) with MINDSTORMS EV3 (31313) It uses the power of pneumatic cylinders to move objects around. By using a bluetooth remote control, very precise movements can be made with this model. Touch sensors in the base chassis prevent the turret twisting the cables that go through the turntable to much. The program has several protections to prevent over pressurizing the system for each of the 3 individual pumps and valves that control the 2 booms and claws. The real version of this machine is mostly used in waste material sites to bring the material to machines that sort and...

Celebrating 25 Years of MINDSTORMS

In celebration of the 25th Anniversary of MINDSTORMS, we take a trip through history. Please also visit ROBOTMAK3RS Community every week as we highlight different projects all through 2023 in celebration of the anniversary. Some of the early history is based on the content shared by Coder Shah in our MINDSTORMS EV3 Community Group . Some of the text and links may have been edited from his original posts for consistency and clarity. 1984 - Kjeld Kirk Kristiansen watched a TV program called "Talking Turtle," where MIT professor Seymour Papert demonstrated how children could control robot "turtles" using LOGO, a programming language he developed. 1988 - The collaboration between MIT and LEGO resulted in LEGO TC Logo in 1988, which allowed students to control LEGO models using computer commands. The video shows Papert demonstrating TC Logo. 1990 - LEGO TC Logo was hampered since the robots you built had to be tethered to a personal computer. LEGO and MIT...

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