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My kids have this exact same problem when a program reaches a certain size. Parts of the program that previously worked just fine begin to systematically cause the brick to lock up. We have found, as ridiculous as this sounds, the simple act of adding a variable read immediately before the motor block which seems to cause the brick to lock up will fix the ...


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Is this what you're looking for? Actually, this might be closer. NOTE: The latter is only compatible with iphone/ipad, but it might be closer...Other than that, I'm not sure.


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No, Robotc does not yet support Bluetooth for the EV3 - I even tried doing it with the labview software and it gave me an error message when I ran it on the EV3 brick


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Yes try this. Color RGB This is the Color RGB sensor block. Installation instruction can refer from here


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Green does tend to be tricky on the LEGO EV3 Color sensor. Example Here are some suggestions: Build a shroud to eliminate ambient light. I have seen people use electrical tape for this or build something from LEGO parts. Using the raw RGB values, convert to HSV (there is a link in Example 1 for this). Use the algorithm for the NXT color sensor from the ...


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Create a My Block that looks something like this: Then you can select the ports like this: The 23 means ports B+C (see below). From the help file: Wired Input of Two Ports If you configure a Move Steering or Move Tank block for wired port input, you will need to specify two different port numbers: one for the left motor port, and one for ...


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Sadly, my friend, this is less of a LEGO problem, and more of an issue with the kind of basic tech EV3 runs on. It can't afford to have a backup, it needs to be compact. You'll have to put them back on file by file.



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