16.使用 Avago 的 RGB 色彩感测器实现反射式色彩感应

使用 Avago 的 RGB 色彩感测器实现反射式色彩感应
Reflective Color Sensing with
Avago Technologies’ RGB Color Sensor

White Paper

Abstract ― Reflective color sensing is typically realized surface, is reflected as red. The reflected red light
through photodiodes with multiple illuminant or impinges on the color sensor producing R, G, and B
photodiodes coated with color filters with single output voltages. By interpreting the three voltages,
illuminant. This paper presents the concept of reflective the color can be determined. Since the three output
color sensing using an RGB color sensor. First, voltages increase linearly with the intensity of the
reflective color sensing theory and the basic elements reflected light, the color sensor also measures the
will be d