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Hello everybody! It is no secret that the Power Functions system allows smooth control of motor power and regulation of the angle movement of servo motor. I have studied this issue and developed a proportional remote control system which was first designed for the management of wheeled and tracked models. But in fact it is a universal device, which can control any Lego models with PF IR Receivers. The system is not a control panel by itself. It represents a set of sensors, control unit and an infrared transmitter module which are made in the form factor compatible with Lego Technic. Here's how it looks Сontrol unit: Sensors of various types: IR transmitter: All this is connected together by wires and must be installed in the transmitter model made from Lego Technic. The device can be fully configured using the front panel buttons but a lot of functions and menu system are difficult to obtain. I wrote a manual, but did not translate it into English yet. Here is a short video showing the basic idea. I'm sorry, my comments are in Russian. At the beginning of the video I configure my system for a specific console design (the system remembers the maximum deviation of controls in this design). At the end of the video I run track model with the remote control, which is shown at the beginning of the video. To manage such a model i have made a special control mode, which converts the signals of throttle and steering into the power of left and right caterpillar motors. I want to find out, whether it can be interesting to someone?