Rollbar is a handy device, which only purpose is to measure lengths. Its main purpose is to measure curved lines.
It's designed for right-handed people, but with some small adjustments, it could fit any palm.
This device is designed to be attached to "LEGO Mindstorms Robot with a large inertia cargo". It is a color sensor that goes on the caster wheel of the robot. In this case, the sensor will follow the robot.
Another building instruction for a third wheel suitable for a LEGO Mindstroms robot. This one is classical. Just a few parts but could be used on a lot of different robots. There is some friction when turning so this one is more suitable if you have to do more straight movements.
Building instructions for a Robot Grabber used in the World Robotics Olympiad competition runs. The grabber is build with LEGO Mindstorms EV3. The base of the robot is available at /materials/69-wro-robot-2014-elementary
Kiril Mitov's most favourite attachment. To quote him "I had a really great fun building this attachment and recording the videos for it".
It's an attachment with a Rubber band and a Flywheel and a Gear Wheel and a Worm Gear. So much knowledge in just one small attachment. The goal of the attachment is to be able to have an active attachment without actually having a motor. So you can place that attachment and it will do the work for you instead of using a motor to power it.
Build with LEGO Mindstorms EV3 set.
When placing the rubber bands check out the tutorials
Placing the white rubber band is shown at https://www.fllcasts.com/tutorials/105-rubber-band-attachment-with-a-flywheel-solving-fll-2014-search-engine-part-2 at around 05:40.
Placing the red rubber band is shown at https://www.fllcasts.com/tutorials/104-rubber-band-attachment-with-a-flywheel-solving-fll-2014-search-engine-part-1
Building instructions for a LEGO Mindstorms Catapult Motor and Touch Sensor that are used for triggers for firing objects
This is a gun which is build from EV3 Lego Mindstorms set. It can load small EV3 Beams and shoot them.
Dwell is a car built with a LEGO MINDSTORMS EV3 set. It uses the medium motor for powering the back wheel and one more medium motor for rotating the front wheels and thus turning. Of course, there is a differential at the back.
This one is also fast. It has assistant wheels, but only to keep the balance. It is built with LEGO Mindstorms EV3 sets with the use of one additional Medium Motor.
Join the course A robot a "day" keeps the questions awake where we will further discuss the motors, how to build them and what tasks to accomplish with them.
Building instructions for a LEGO Mindstorms EV3 Motorcycle, but this time with helper wheels. The helper wheels solve the problem of making turns with the robot. If the robot loses balance it will fall. The goal of the helper wheels is to make it easier for the robot to turn. Small modification, but really make a difference.
We love bears. These are great creatures. Do you know that the Polar Bear is the largest bear there is.
This robot was first constructed years ago for some of the first classes in LEGO Mindstorms Robotics that we held. It is quite challenging, but nevertheless very rewarding when completed and when you manage to program it to walk. Check it out.
Winter might be far away or it might just be coming - depending of course on where you are in the world. But you can always spend a few hours having fun with a LEGO Mindstorms Snowmobile. A really challenging construction that requires good preparation, concentration and a lot of efforts to complete. Same is going to the mountain in the winter. But the reward at the end is worth it.
This is an attachment for the cases where you need a two touch bumper sensors. It could be placed on almost any LEGO Mindstorms EV3 robot.
Instructions for a simple Crane construction built from LEGO Mindstorms EV3 set. In order to operate properly, you need to add weight at the back of the jib. The most interesting part of the robot is the design of its hand, so examine it closely.
Building instructions for an EV3 LEGO Mindstorms Dump Truck. The back of the truck can be tilted through controlling the medium EV3 motor so that the load can be dumped at a desired location. Also, the robot has a color sensor to determine the type of load it is carrying.