Color sensor principle_x000D_ _x000D_ TCS230 8- pin SOIC surface mount package , integrated on a single chip photodiode 64 . These diodes are divided into four types. Of which 16 photodiode with a red filter ; 16 photodiodes with a green filter ; 16 photodiodes with a blue filter ; rest 16 without any filters , optical information can be all over . The photodiode chip is arranged in a cross , it is possible to minimize unevenness of the incident radiation , thereby increasing the accuracy of color identification ; the other hand , the same color of the photodiode 16 is connected in parallel , uniformly distributed the diode array, the position error can be eliminated color. When working through two programmable pins to dynamically select the desired filter. Typical output frequency range of the sensor from 2 Hz ~ 500 kHz, users can also choose two programmable pins to 100% , 20% , or 2 % of the output scale factor , or power-off mode. The output scale factor so that the output of the sensor can be adapted to different measurement ranges , improved its ability to adapt . For example , when using low frequency counters can select a small scaling value so that the output frequency and the counter TCS230 match ._x000D_ Description:_x000D_ 1 , using imported chip TCS3200 PCB board with gold plating_x000D_ 2, TCS3200 TCS230 is an upgraded version , the better_x000D_ 3 , power supply 3-5v_x000D_ 4, anti- light interference_x000D_ 5, white LED, can control lights , off._x000D_ 6 , can detect non-luminous object color_x000D_ 7, PCB size : (L) 33mm * (W) 25mm