45678 NHà CáI CAN BE FUN FOR ANYONE

45678You could begin to see the Display screen within the hub from an incredible distance. This allows for greater feed-back. I've began to like the simplicity of the display. OPERATING MethodThorsten Yep that Seems appropriate. It basically will not make sense to established the pace of motors without a speed sensor.LEGO Schooling Specialist Devel