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HTTYR: Browser Control

This post is one of a series on how to train your robot. In an earlier post, we learnt how to implement an extremely simple web server on the EV3. Lets modify that slightly, so that it controls your robot: You will need to run the PilotParams sample to set the pilot parameters for your … Continue reading

HTTYR: Map Command

This is one of a series of posts on how to control your robot. In order to navigate your robot around your house, it would be useful to have a map of the floors of your house. leJOS EV3 supports maps as a set of lines in svg format. You can produce such a map … Continue reading

HTTYR: Use a NXT as a Tilt Controller

This is part of a series of posts on how to train your robot. If you have a NXT brick, you might like to use it as a controller for your leJOS EV3 robot. I wrote a leJOS NXJ program to control one NXT by using another as a Wii-like controller, some time ago. It … Continue reading

HTTYR: Responding to phone events

This post is part of a series on how to train your robot. The technique described here only works if you are using a Wifi dongle. Suppose that you want your robot to know when you come home, so that it can greet you. Or you want it to come and tell you when you … Continue reading

HTTYR: Training by demonstration

This post is part of a series on how to train your robot. In this post, we are going to train a robot to make a series of movements, by manually moving its motors and recording the movement. We can then play back the movements. The played back movements are done at the default speed … Continue reading

HTTYR: Gesture Control using LeapMotion

This post is part of a series on how to train your robot. If you have a Leap Motion device and have registered as a developer, you can use your Leap Motion to control your robot with gestures in the air. The following program controls the robot with a few finger gestures. A circle gesture … Continue reading

HTTYR: The EV3Control Motors tab

This post is part of a series on how to train your robot. leJOS EV3 includes the EV3Control tool that allows you to control your EV3, including controlling the motors. You can start EV3Control from the leJOS EV3 menu in Eclipse, if you have installed the leJOS EV3 plugin. Otherwise, you can start it by … Continue reading

HTTYR: Infrared Control

This post is part of the series: How To Train Your Robot. The leJOS EV3 menu has a Tools Screen that provides some simple tools for accessing sensors and controlling motors: The Remote Control tool can be used to drive your robot about with the LEGO Infrared remote. When you select “Remote Control” and press … Continue reading

How to train your robot

This post is the first of a series on many different methods of training or controlling a leJOS EV3 robot. In this series, you will learn about some of the ways to control your robot that are provided by the tools that come with the leJOS EV3 software. For example, you will learn how the Remote Control … Continue reading

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