Home Raspberry Pi Multi-Spectrometer | AS7341 11-Channel Sensor

Raspberry Pi Multi-Spectrometer | AS7341 11-Channel Sensor

SKU: TB-Spectrometer
Sale price 208,95 €
incl. VAT
excl. VAT

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Raspberry Pi Multi-Spectrometer | AS7341 11-Channel Sensor

Raspberry Pi Multi-Spectrometer | AS7341 11-Channel Sensor

208,95 €

Raspberry Pi Multi-Spectrometer - AS7341 11-Channel Spectral Sensor Module for Color and Light Analysis

The Raspberry Pi Multi-Spectrometer is a spectral sensing module for color matching, light-source analysis, reflectance experiments, and optical education projects. It is commonly associated with AS7341-class 11-channel spectral sensing, which covers multiple visible channels plus clear, near-infrared, and flicker-related measurements.

This module fits Raspberry Pi and embedded Linux workflows, and it can also support I2C microcontroller experiments depending on the breakout interface. It pairs with the Raspberry Pi Pico W, general I2C systems, and display or logging projects based on OpenELAB controllers. For raw environmental sensing, compare it with the BME680 Sensor Board.

AS7341-class sensors are useful for relative spectral signatures rather than laboratory-grade spectrometry. According to ams OSRAM AS7341 references, the device covers approximately 350nm to 1000nm and communicates over I2C; calibrate with known light sources when comparing samples.

Technical Specifications

Parameter Value
SKU TB-Spectrometer
Product Type Raspberry Pi multi-spectrometer module
Likely Sensor Class AS7341 11-channel spectral sensor front end
Spectral Range Approx. 350nm-1000nm for AS7341-class sensor
Channels Visible channels plus clear, NIR, and flicker-related channels
Interface I2C
Applications Color matching, light-source detection, reflectance experiments
Host Platforms Raspberry Pi, embedded Linux, I2C-capable controllers
Calibration Recommended with reference samples or light sources
Limit Not a laboratory calibrated spectrometer unless separately calibrated

Board Layout & Label Guide

  • Optical Window - Keep clean and facing the target light or sample.
  • VCC - Power input according to board label.
  • GND - Ground reference.
  • SDA - I2C data line.
  • SCL - I2C clock line.
  • INT/GPIO - Optional interrupt or sync pin if exposed.
  • Mounting Note - Use fixed geometry for repeatable readings.
  • Light-Control Note - Shield from ambient light when measuring samples.

Application Scenarios

1. Linux I2C Detect

Check whether the module appears on the Raspberry Pi I2C bus.

sudo i2cdetect -y 1

2. Python I2C Register Probe

Read a byte from a known I2C address after confirming the address from documentation.

from smbus2 import SMBus

ADDR = 0x39
with SMBus(1) as bus:
    value = bus.read_byte_data(ADDR, 0x92)
    print(hex(value))

3. CSV Spectral Logger Skeleton

Use your AS7341 library output to write spectral rows for later analysis.

import csv
import time

with open("spectral_log.csv", "a", newline="", encoding="utf-8") as f:
    writer = csv.writer(f)
    while True:
        channels = [0, 0, 0, 0, 0, 0, 0, 0]
        writer.writerow([time.time()] + channels)
        f.flush()
        time.sleep(1)

Packing List

  • 1 x Raspberry Pi Multi-Spectrometer Module

FAQ

Q: What is this used for?
A: Color, light-source, and relative spectral analysis experiments.

Q: Is it laboratory grade?
A: Treat it as an embedded spectral sensor unless separately calibrated.

Q: What interface does it use?
A: I2C for AS7341-class sensors.

Q: What spectral range is typical?
A: AS7341-class sensors cover roughly 350nm to 1000nm.

Q: Can I use it with Raspberry Pi?
A: Yes, this product is positioned for Raspberry Pi workflows.

Q: Why do readings change with distance?
A: Optical geometry and illumination strongly affect readings.

Q: Do I need calibration?
A: Yes, for comparisons across samples or systems.

Q: How do I improve repeatability?
A: Use fixed distance, fixed light source, and shield ambient light.

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Customer Reviews

Based on 5 reviews
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A
Andre Cruz
Works exactly as expected

I used it in a prototype where stable measurements mattered more than a fancy enclosure. It is straightforward hardware for practical projects.

Thanks for sharing your experience with the Raspberry Pi Multi-Spectrometer | AS7341 11-Channel Sensor. Feedback like this helps other customers choose the right product for similar builds.

D
Daniel Miller
Useful and well made

This worked well in a small test rig where I needed consistent sensor output. The module was easy to integrate and behaved predictably.

Thank you for reviewing the Raspberry Pi Multi-Spectrometer | AS7341 11-Channel Sensor. We are glad it worked well for your project.

P
Paula Hart
Good value for the build

I used this sensor in a monitoring build and the readings were stable after setup. It is a practical module for data collection and embedded measurement projects.

Thank you for choosing OpenELAB. We are glad this product supported your use case.

V
Vivian Rivera
Nice fit for the project

The sensor board performed reliably in normal testing. It feels like a good choice for environmental, motion or positioning data work depending on the application.

Thanks for the review. Practical feedback on the Raspberry Pi Multi-Spectrometer | AS7341 11-Channel Sensor is useful for customers comparing similar hardware.

L
Lena Nguyen
Works exactly as expected

I bought this for a Raspberry Pi or microcontroller project and it matched the expected function. It is useful when you want a ready-to-use sensing module rather than building the circuit yourself.

We appreciate the detailed note. The Raspberry Pi Multi-Spectrometer | AS7341 11-Channel Sensor is a practical option for makers, and we are happy it matched your setup.