Average Reviews:
(More customer reviews)Everyone owning a MINDSTORMS NXT set may have been wondering why you can use only three motors with your NXT brick. With this device you won't have to worry about that anymore. You'll use the PFMate (connected to one of the NXT's sensor ports) to control up to eight Power Functions (PF) motors. It enables your NXT robot to control the infrared receivers of the power functions as if you were remote controlling it with the PF remote.
Note that in order to use this device, you'll need at least one PF receiver with a battery box and a set of PF motors. I got my Power Functions from the LEGO TECHNIC Buildozer (#8527) but other TECHNIC sets may have them too. You can also get each of these parts off the LEGO website.
Once you've got this sensor, you can download a special NXT-G software block from the mindsensors website that you can use in the programming software just like any other block. You can use the block to switch the PF motors on and off at different speeds. Apart from NXT-G, the device is also compatible with other programming languages.
I have owned this device for a while, and I've been using it in several projects, one of which can be seen in the video in this review. I control three basic motors with the NXT itself, and four PF motors also with the NXT, but via the PFMate. At $36.95 this is a good replacement for an extra NXT set which you would otherwise need to control extra motors (assuming you already have some power functions around). Even though not housed in an official LEGO case, the sensor is very solid and works well.
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