Description
Reviews
| 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 |
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.
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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