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The RGB Color Mixer attaches to Vernier's SensorDAQ interface to give control of a ping-pong ball sized "pixel." By varying the intensity of the red, green and blue LEDs, the entire spectrum can be displayed (at least as interpreted by the human eye). The control program requires Windows 2000 or XP. It uses the free (and included) run-time engine of LabVIEW to interpret mathematical expressions which can use time and up to three analog inputs as the independent variables. While the Color Mixer is appropriate for teaching basic ideas about color, it can also be used to teach much more complex ideas from math, science and engineering. Can you predict, for example, how the output display would change if the magnet near analog probe 2 were reversed? As a "free extra," the Color Mixer also includes a programmable relay, which allows precisely timed activation of motorized carts, fans and other self-powered DC devices.
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(SensorDAQ not included) |