Colour Sensor

15 January 2014 User Review

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605.00
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25 in stock

 

 

Color Sensor Recognition Module is made of TCS3200 IC, a programmable colour light to frequency converter. Module consists of silicon photodiodes and current to frequency converter. Output of the sensor is square wave having 50% duty cycle. Frequency of the square wave is directly proportional to light intensity. Colour Sensor Recognition module can be directly interfaced with, Arduino Boards, Microcontrollers, and Raspberry Pi etc.

The module consists of 4 white LEDs and TAOS TCS3200 RGB sensor chip. Sensor can detect and measure different visible colours. Sensor has an array of photo detectors, each with either a red, green, or blue filter, or no filter (clear).

TCS3200 sensor has 8 x 8 array of photodiodes. Out of the 64 photodiodes,

  • 16 photodiodes have green filters
  • 16  photodiodes have blue filters
  • 16  photodiodes have red filters
  • 16  photodiodes are clear with no filters

The output square wave (50% duty cycle) frequency is directly proportional to light intensity.

S0, S1, S2, S3:

Using s2&s3, we can choose any of the four colour filters. For example, if we want to detect red colour, enable only the red filter photo detector array. 

tcs3200

Frequency of the output signal can be scaled to desired value by setting s0&s1.

Pin description:

COLOR SENSOR PIN OUT

Specifications:

  • Power Supply : 2.7V to 5.5V
  • Interface: Digital TTL
  • Size: 28.4x28.4mm

Features:

  • Single-Supply Operation (2.7 V to 5.5 V)
  • Programmable Color and Full-Scale Output Frequency
  • High-Resolution Conversion of Light Intensity to Frequency
  • Nonlinearity Error Typically 0.2% at 50 kHz
  • Stable 200 ppm/°C Temperature Coefficient
  • Communicates Directly With a Microcontroller

Applications:

  • RGB LED consistency control
  • Medical diagnostic equipment
  • ambient light sensing ,color matching
  • robotic applications
  • Industrial process control
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