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Color 3 click is a mikroBUS add-on board with a TCS3771 color sensor (also known as a light-to-digital converter) and a narrow beam Infrared LED. The circuit can also function as a proximity sensor.
TCS3771 is a RGBC sensor: it can detect Red, Green, Blue and clear light. The IC performs well under a variety of lighting conditions. For example, it can be covered with different attenuation materials.
As a proximity sensor it has a large dynamic range of operation. It can take short distance measurements behind dark glass; or it can be configured for longer distance measurement, for example, human presence detection in front of monitors or laptops.
For power-saving, TCS3771 has an internal state machine that can put the device into a low power mode between successive RGBC and proximity measurements.
TCS3771 is also fast enough to give off proximity information at a high rate of repetition. This makes it useful for proximity detection in portable devices (such as a phone coming near to a speaker’s ear).
Color 3 click communicates with the target MCU through the mikroBUS I2C interface, with additional functionality provided by an INT pin. Designed to use a 3.3 power supply only. |
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Color click is a compact and easy solution for adding color sensing to your design. It features a TCS3471 color light sensor as well as an RGB LED diode. The TCS3471 features red, green, blue, and clear light sensing (RGBC) that detects light intensity under a variety of lighting conditions and through a variety of attenuation materials. An RGB LED is provided to help you illuminate the objects if no other light source is available. Color click communicates with the target board microcontroller via mikroBUS I2C (SDA, SCL) and INT lines. The board is designed to use 3.3V power supply only. |
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Color 2 click carries the ISL29125 RGB color light sensor. It detects red, green and blue in a variety of lighting conditions, outputting 16-bit resolution data in a 5.7 m lux -10,000 lux measurement. Both the range and output resolution are selectable (narrower vs wider bandwidth, 12 vs 16 bit). The sensor also incorporates an IR blocking filter, allowing Color 2 click to work even under a dark glass cover. The integrated ADC also rejects 50Hz and 60Hz flicker from artificial light sources. The board communicates with the target MCU through the mikroBUS I2C interface (SCL and SDA pins). A programmable interrupt pin is also available. The board is designed to use a 3.3V power supply only. |
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Illuminance click carries a TSL2561 light-to-digital converter with a sensor that's designed to mimic the way humans perceive light. This makes it ideal for applications where ambient lighting conditions have to be measured (backlight power-saving on LCD displays for example). The sensor has two photodiodes. One sensitive to full-spectrum light, the other to infrared. The visible-spectrum is then deduced by using a formula. Illuminance click communicates with the target board through mikroBUS I2C lines, and uses a 3.3V power supply. |
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