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Small green PCB with silver sensor chip and two white LEDs

LORDWORLD

LORDWORLD AS7341 Spectral Color Sensor Development Board

SKU CH-S6E3-CMJ2C

Spectral development board with AS7341 sensor, 16-bit ADCs, flicker detection, onboard LEDs and 3.3 V logic compatibility

  • 8 visible channels plus near-infrared and clear give full spectrum coverage
  • Six independent 16-bit ADCs process colour data in parallel
  • Dedicated flicker detection channel monitors light modulation at specific frequency
  • Two high-brightness LEDs provide fill light for low-light measurements
  • Onboard voltage translator allows direct connection to 3.3V or 5V systems

AS7341 Spectral Sensor Board

The LORDWORLD AS7341 development board integrates a multi-channel spectral color sensor for visible and near-infrared light analysis. It targets makers and engineers building IoT edge devices that require precise colour detection or ambient light flicker monitoring. The module communicates via I2C and includes onboard voltage translation for 3.3V and 5V logic compatibility.

Upgrade from Basic RGB Sensors

Unlike simple three-channel RGB modules, this board provides eight visible spectrum channels plus a near-infrared and a clear channel for richer spectral data. Six independent 16-bit ADCs process signals in parallel, and a dedicated flicker detection channel captures light modulation at specific frequencies. The jump is worth it when your application demands higher colour resolution or needs to characterise light source quality.

Check Host Compatibility Before Ordering

Verify that your Raspberry Pi, STM32, or other host exposes an I2C bus and can supply either 3.3V or 5V to the module. Ensure your software stack can address the AS7341 register map and handle interrupt-driven readings from the sensor. The two onboard high-brightness LEDs require host control if used as fill light, so confirm available GPIO pins for that purpose.

Besonderheiten

  • 8 visible channels plus near-infrared and clear give full spectrum coverage
  • Six independent 16-bit ADCs process colour data in parallel
  • Dedicated flicker detection channel monitors light modulation at specific frequency
  • Two high-brightness LEDs provide fill light for low-light measurements
  • Onboard voltage translator allows direct connection to 3.3V or 5V systems

Technische Daten

BrandLORDWORLD

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What pin spacing and voltage levels does the AS7341 board need for the I2C connection?

The module uses an onboard voltage translator so it works with both 3.3 V and 5 V logic levels and connects through a standard I2C interface.

Which pins must be wired first when hooking up the sensor to a Raspberry Pi or STM32?

Connect VCC to 3.3 V or 5 V, GND to ground, then SDA and SCL to the I2C bus; the interrupt and GPIO pins are optional for basic reads.

Do the two onboard LEDs wear out and need replacement during normal use?

The high-brightness LEDs are soldered to the board and are not user-replaceable; they are rated for long-term operation as fill lighting.

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