It consists of a transparent nozzle cube, a full color LED (light emitting diode) brick, and a water pump.
The Nozzle Cube
The RGB (Red, Green, Blue) full color LED brick
The Pump Unit
The Nozzle cube, LED brick and Pump can be stacked together thru LEGO-Duplo-compatible studs, which not only easy the construction of your fountain with LEGO bricks but also other constructive building blocks.
The NLP module is the core to bring the light, the water, and the joy of self-building process together.
The Nozzle-LED-Pump Module could be placed in a sitting way, or a standing way.
More than one module can be easily stacked together:
16 Nozzle Cubes line up together:
The Nozzle-LED-Pump module will be stored and shipped in an acrylic tube, which can also be used to prevent the water-splashing when the fountain is played in a place not allowed messing with the water.
Both RGB LED and pump are driven by DC 12 volt electric power. In order to control the brightness of LED and water pumping heigh, the PWM, Pulse Width Modulation, method is applied and 4 control channels are required to drive RGB LED and pump independantly.
The conceptual diagram of NLP module:
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