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IMG 7272
https://vimeo.com/88134440 |
My new lego creation has a type of rotating structure on top that connects to its motor. The motor also connects to the front wheels driving the vehicle. This is accomplished by a long driveshaft. There are 3 LEDs at the tips of the rotating structure. If the LEDs had been connected to the main battery cell (that powers the motor), then the cables would've been entangled, stopping the vehicle. Therefore the rotating structure has its own battery cell, supplying electricity to the lights.
