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It is quite common for the tires to slip and cause this type of behavior. For example, here is a similar question. The answer here is the same. Make sure your center of gravity puts most of the weight of your bot on the drive wheels. Make sure the tires and the surface your are driving on are free of dirt/dust. Use sensors to help compensate for any ...


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Since you are trying to solve a Rubik's cube, check out the source code for the MindCuber. The solution there is that the values are not actually converted into colors. Rather the raw values are converted to HSV and then sorted by hue. The actual value does not matter, just how close it is to the other values. The Mindcuber also has a white calibration. ...


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You can use any programming language you like to remotely control the NXT provided that it can access a serial port of your computer. The Bluetooth connection on the NXT provides a virtual serial port. You can see this by opening "Devices and Printers" and double-clicking on the NXT (provided that you have already paired it). Then have a look at the ...


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It is possible to use XCode. You need to download the NXC compiler (the linked page says NBC, but it included NXC as well). Then, write a Makefile that calls the NXC compiler. If the compiler does not work on Yosemite, the source code is available from that link as well. A detailed tutorial on using XCode with NXC can be found here.



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