Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Model Number	GY-AS7262/AS7341
Sensor Type	Visible Light & NIR Spectrum
Communication Interface	I2C, UART, SPI
Operating Voltage	3.3V - 5V DC
Spectral Channels	6 to 18 channels (configurable)
Wavelength Range	410nm to 940nm
Onboard Components	White LED, IR LED
PCB Dimensions	25mm x 18mm
Application Focus	Color Matching, Water Quality, Agriculture
Package Includes	1x Sensor Module, 1x Pin Header

6 reviews

Anonymous

Mar 15, 2026

Rating: 5/5

Excellent for spectral analysis projects

This module works flawlessly with my Arduino setup. The I2C communication is stable, and the library support makes reading the spectrum data very straightforward. Great for identifying material colors.

Anonymous

Mar 08, 2026

Rating: 4/5

Good sensitivity, needs calibration

Using this for plant health monitoring. The sensor picks up subtle changes in leaf reflectance well. Just be sure to calibrate it against a known white reference before deploying in the field.

Anonymous

Mar 08, 2026

Rating: 5/5

Easy integration with Raspberry Pi

Connected directly to my Pi 4 without any level shifters. The Python examples provided in the documentation got me up and running in under an hour. Solid build quality.

Anonymous

Mar 05, 2026

Rating: 5/5

Compact and powerful

Impressed by how much functionality is packed into this small board. The onboard LEDs are bright enough for consistent readings in varying ambient light conditions. Highly recommended.

Anonymous

Mar 01, 2026

Rating: 4/5

Great value for research prototyping

We use these for preliminary water quality tests. While not lab-grade equipment, they provide reliable trend data at a fraction of the cost of industrial spectrometers.

Anonymous

Mar 01, 2026

Rating: 3/5

Works well but documentation could be better

The hardware is fine and reads data accurately, but finding specific register maps for the AS7341 mode took some digging through various forums. Once configured, it performs as expected.

5 FAQ

Q: How do I calibrate the sensor for accurate color reading?

A: Place a standard white reference tile over the sensor aperture and run the calibration routine in the code to set the baseline. This compensates for ambient light and LED variance.

Q: What is the difference between the AS7262 and AS7341 modes on this board?

A: The AS7262 offers 6 channels focused on visible light, while the AS7341 mode provides 18 channels with higher resolution across visible and near-infrared spectra. You can switch modes via software registers.

Q: Is a library available for MicroPython?

A: Yes, there are several open-source MicroPython libraries available on GitHub that support this sensor. We recommend checking the resource section on our website for links.

Q: Does this module support both 3.3V and 5V logic levels?

A: Yes, the module includes voltage regulation and level shifting, making it compatible with both 3.3V and 5V microcontrollers like Arduino and ESP32.

Q: Can I use this sensor underwater?

A: No, this module is not waterproof. It should only be used in dry environments. For liquid analysis, the sample must be placed in a transparent container above the sensor.

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