The TCS230 is a color light-to-frequency converter on single CMOS integrated circuit. The output is a square wave (50% duty cycle) with frequency directly proportional to light intensity (irradiance). The full-scale output frequency can be scaled by one of three preset values via two control input pins. Output enable (OE) places the output in the high-impedance state for multiple-unit sharing of a microcontroller input.
Library example code includes:
- Simple blocking read from the sensor
- Simple RGB non-blocking read
- Example incorporating sensor calibration
- Color learning and matching
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This library has a dependency on the FreqCount library for frequency counting (https://github.com/PaulStoffregen/FreqCount).
Please read the setup information in the FreqCount header file or its distribution web site. The type of Arduino that you are running will determine which pin should be used for connecting to the sensor's output pin. This is the most commonly asked question once the library is downloaded, so read the documentation and avoid frustration!