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SKU: 1314953
  1. Type:  Optical Sensor
  2. Low power consumption
  3. Interface:  Analog, I2C
  4. Compatibility: mikroBUS
  5. Click board size: 28.6 x 25.4 mm
  6. Input Voltage: 3.3V


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Category: Light/color Sensor

Spectrometer 2 Click as its foundation uses the VD6283TX, a color sensor with advanced light flicker extraction from STMicroelectronics. It performs fast and accurate light measurements thanks to an individual ADC with a resolution of 24 bits (16 bit + 8 bit for high accuracy under low light) and a readout for six color channels: red, green, blue, IR, clear, and visible. The color channels can be individually enabled to optimize power consumption, alongside 15 programmable gains for a high-dynamic range, through a serial interface. Six channels can operate with independent, parallel reading for ALS or flicker operations, one represents a dedicated fast channel for light flicker measurement, and one stands for an internal dark channel.

The VD6283TX uses hybrid color filters with precise responses allowing accurate computation of the correlated color temperature (CCT) and Lux information. Its patented architecture and a high-performance photodiode design can also extract light-flickering frequencies from a minimum of 100Hz and a maximum frequency of 2kHz, including LED square signals, to avoid “banding effects” or check that they are safe for the human eye.

Spectrometer 2 Click communicates with MCU using the standard I2C 2-Wire interface with a maximum clock frequency of 1MHz, fully adjustable through software registers. The VD6283TX does not require a specific Power-Up sequence but requires a voltage of 1.8V for its interface and logic part to work correctly. Therefore, a small regulating LDO is used, the ADP151, providing a 1.8V out of 3.3V mikroBUS™ power rail. Since the sensor for operation requires a power supply of 1.8V, this Click board™ also features the PCA9306 voltage-level translator allowing the VD6283TX to work with 3.3V MCU properly.

This Click board™ can be operated only with a 3.3V logic voltage level. The board must perform appropriate logic voltage level conversion before using MCUs with different logic levels. However, the Click board™ comes equipped with a library containing functions and an example code that can be used, as a reference, for further development.

Applications: Can be used for screen brightness adjustment and white balance color assistance, lux and CCT measurement, or light frequency extraction for flicker correction assistance


  1. Type:  Optical Sensor
  2. Low power consumption
  3. Interface:  Analog, I2C
  4. Compatibility: mikroBUS
  5. Click board size: 28.6 x 25.4 mm
  6. Input Voltage: 3.3V
  7. Parallel sensing of all six channels
  8. On-board modules VD6283TX – hybrid filter multispectral sensor with light flicker engine from STMicroelectronics
  9. Advanced hybrid filters with high photocount response
  10. Innovative readout architecture to extract AC light flicker signal, from 100Hz to 2kHz frequency detection – sine or square wave

Useful Link:

Package Includes:



SKU: 1314953 Category:
Product Type

Optical Sensor Module

Power Consumption (Watt)



Analog, I2C



Input Voltage (V)


Board Size (mm)

28.6 x 25.4 mm

Shipping Weight 0.05 kg
Shipping Dimensions 6 × 4 × 3 cm
1 Month Warranty Against Sealed Product

This item is covered with a standard warranty of 1 Month from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Warranty  Against Sealed Product:

This product comes with manufacturer seal so, warranty Policy shall cover only those issues pertaining to the manufacturing defects in the product. In any other case, No return will be accepted if the seal is broken.

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Country Of Origin: China