Fermion: AS7341 11-Channel Visible Light Sensor

DFRobotSKU: SEN0365
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We live in a colourful world, but how much do you really know about colour? Your eyes may deceive you, whilst sensors don’t lie! This AS7341 11-Channel Visible Light Sensor-Breakout can tell you the truth about the colour around you and your project.

The DFRobot AS7341 11-Channel Visible Light Breakout Board employs the new generation of AS7341 spectral sensor IC launched by the well-known AMS company. The sensor features eight channels for visible light, one channel for near-IR, and one channel without a filter. It also integrates a dedicated channel to detect ambient light flicker.

This sensor comes with 6 independent 16-bit ADC channels for data processing in parallel. The two onboard extra-bright LEDs can supply light in a dark environment.


  • 8 optical channels covering the visible spectral range
  • 50Hz and 60Hz ambient light flicker detection
  • 6 independent 16-bit ADC channels

Application Ideas

  • High accuracy colour detection and matching
  • Colour mixing effect detection
  • Lighting colour temperature adjustment
  • Lighting atmosphere control
  • Modern plant cultivation


  • Power Supply: 3.3V~5V
  • Visible Light Detection Range:
    • F1(405-425nm)
    • F2(435-455nm)
    • F3(470-490nm)
    • F4(505-525nm)
    • F5(545-565nm)
    • F6(580-600nm)
    • F7(620-640nm)
    • F8(670-690nm)
  • Operating Current(LED Off): <5mA
  • LED Driving Current: Class 1-20 (4-42mA)
  • I2C Address: 0x39
  • Operating Temperature Range: -30℃~85℃
  • Operating Humidity Range: 5%RH~85%RH
  • Dimension: 18*14mm/0.71*0.55”



Silkscreen Description
+ Positive
- Negative
SCL I2C Clock line
SDA I2C Data line
INT Interrupt Pin: active Low
GPIO General input/output

Package Contents

  • 1x AS7341 Visible Light Sensor
  • 1x 2.54mm 7-pin Single Row Pin Header

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