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User Reviews :
Description: SoftCollection LED Line program lets you make a virtual LED table in the air. You can make simple hardware, as shown in the picture below, that consists of an 8 LEDs line, 9 resistors of 470 Ohm each, a button and a pendulum that presses this button. If you will move LED line left and right 5-10 times per second and desired LEDs will shine at desired moments, you will see words in the air.