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SparkFun Spectral Sensor - AS7343 (Qwiic)

SparkFun

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SKU:
057-SEN-23220
MPN:
SEN-23220
SparkFun Spectral Sensor AS7343 Qwiic breakout board for visible and NIR light measurement
SparkFun Spectral Sensor AS7343 Qwiic enables precise measurement of visible and near-infrared light from 380 nm to 1000 nm. Features 14 spectral channels, high sensitivity, low power operation, and easy I2C Qwiic connectivity. View full description
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₹2,775.58 inc. GST
₹2,352.19 ex. GST
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Technical Specifications

Brand:
SparkFun
Sensor IC:
AMS AS7343
Spectral Channels:
14
Visible Spectrum Channels:
11
Near-Infrared Channels:
1
Clear Channel:
1 (entire visible spectrum)
Wavelength Range:
~380 nm to 1000 nm
Interface:
I2C (Qwiic)
Sensor Supply Voltage:
1.8 V
Sensor Current (Active):
210 uA typ, 280 uA max
Sensor Current (Idle):
40 uA typ, 60 uA max
Sensor Current (Sleep):
0.7 uA typ, 5 uA max
Board Supply Voltage:
3.3 V
Board Current (Active):
697 uA @ 3.3 V
Board Current (Idle):
264 uA @ 3.3 V
Board Current (Sleep):
3 uA @ 3.3 V
GPIO:
1 GPIO (measurement or LED sync)
Interrupt:
INT pin (active low)
Connectors:
2xQwiic
Additional Features:
Onboard 1.8 V regulator, sensing and power LEDs

Warranty Information

All the products supplied by Evelta are genuine and original. We offer 14 days replacement warranty in case of manufacturing defects. For more details, please visit our cancellation and returns page.

Description

Resources:

SparkFun Spectral Sensor AS7343 Qwiic for Visible and Near-Infrared Light Analysis

The SparkFun Spectral Sensor – AS7343 (Qwiic) is a compact, high-sensitivity multi-spectral sensing solution designed for precise light measurement across both the visible (VIS) and near-infrared (NIR) ranges. Built around the AMS AS7343 spectral sensor, it enables accurate detection of reflected, emitted, and transmitted light from approximately 380 nm to 1000 nm. This makes it well suited for spectroscopy applications such as colour matching, spectral signature analysis, material identification, and optical filtering, even in low-light conditions or when sensing through tinted glass.

Mounted on a 1 inch by 1 inch Qwiic breakout board, the AS7343 integrates seamlessly with I2C-based systems using solderless Qwiic connectors. The board includes onboard voltage regulation, indicator LEDs, optional LED drive support, and GPIO functionality for synchronised measurements. Its ultra-low power operation and wide spectral coverage make it suitable for portable instruments, research projects, industrial sensing, and embedded optical systems.

Key Features:

  • Multi-Spectral Sensing: 14-channel spectral sensor covering visible and near-infrared ranges
  • Wide Wavelength Coverage: Operates from approximately 380 nm to 1000 nm
  • Visible and NIR Channels: 11 visible channels, 1 near-infrared channel, and 1 clear channel
  • High Sensitivity: Reliable operation in low-light environments and behind dark or tinted glass
  • Flicker Detection: Supports detection of light flicker sources
  • Integrated LED Driver: On-chip LED driver with optional external sensing LED support
  • Low Power Design: Ultra-low current consumption with multiple power modes
  • Easy Integration: Dual Qwiic connectors with standard 0.1 inch PTH access

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