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+# Spectral Sensors
+
+A group of multi-channel light sensors from AMS. 
+
+### AS7262 Consumer Grade Smart 6-Channel VIS Sensor
+
+* [Product Page](https://ams.com/as7262)
+* [Datasheet](https://ams.com/documents/20143/36005/AS7262_DS000486_2-00.pdf)
+
+#### Channels:
+* Channel V: 450nm (violet)
+* Channel B: 500nm (blue)
+* Channel G: 550nm (green)
+* Channel Y: 570nm (yellow)
+* Channel O: 600nm (orange)
+* Channel R: 650nm (red)
+
+### AS7263 6-Channel NIR Spectral_ID Sensor
+
+* [Product Page](https://ams.com/as7263)
+* [Datasheet](https://ams.com/documents/20143/36005/AS7263_DS000476_1-00.pdf)
+
+#### Channels: 
+* Channel R: 610nm
+* Channel S: 680nm
+* Channel T: 730nm
+* Channel U: 760nm
+* Channel V: 810nm
+* Channel W: 860nm
+
+### AS7265x 18-Channel VIS to NIR Spectral_ID 3-Sensor Chipset
+
+* [Product Page](https://ams.com/as7265x)
+* [Datasheet](https://ams.com/documents/20143/36005/AS7265x_DS000612_1-00.pdf)
+* [Quickstart Guide](https://ams.com/documents/20143/36005/AS7265x_QG000122_1-00.pdf)
+
+#### Channels:
+
+AS72651:
+* Channel R: 610nm
+* Channel S: 680nm
+* Channel T: 730nm
+* Channel U: 760nm
+* Channel V: 810nm
+* Channel W: 860nm
+
+AS75652:
+* Channel G: 560nm
+* Channel H: 585nm
+* Channel I: 645nm
+* Channel J: 705nm
+* Channel K: 900nm
+* Channel L: 940nm
+
+AS72653: 
+* Channel A: 395nm
+* Channel B: 435nm
+* Channel C: 460nm
+* Channel D: 485nm
+* Channel E: 510nm
+* Channel F: 535nm
+
+### AS7341 11-Channel Multi-Spectral Digital Sensor
+
+* [Product page](https://ams.com/as7341)
+* [Datasheet](https://ams.com/documents/20143/36005/AS7341_DS000504_3-00.pdf)
+
+#### Channels:
+
+| Channel | Center Wavelength (nm) | Full Width Half Maximum (nm) | 
+|---|---|---|
+| F1  | 415  | 26 | 
+| F2  | 445  | 30 | 
+| F3  | 480  | 36 | 
+| F4  | 515  | 39 | 
+| F5  | 555  | 39 | 
+| F6  | 590  | 40 | 
+| F7  | 630  | 50 | 
+| F8  | 680  | 52 | 
+| NIR (Near IR) | 910 | n/a |
+| Clear | Si response/non filtered | n/a |
+| FD (Flicker Detection) | Si response/non filtered | n/a |
+
+## Background reading:
+* A quick introduction to [Melanopic Equivalent Daylight Illuminace (EDI)](https://biosinstitute.org/melanopic-equivalent-daylight-illuminance/)
+* [CIE Position Statement on Non-Visual Effects of Light](http://cie.co.at/files/CIE%20Position%20Statement%20-%20Proper%20Light%20at%20the%20Proper%20Time%20(2019)_0.pdf) 
+* [User Guide to the α-opic Toolbox
+for implementing CIE S 026](http://files.cie.co.at/CIE%20S%20026%20alpha-opic%20Toolbox%20User%20Guide.pdf)
+* [Userguide to the Equivalent Daylight (D65) 
+Illuminance Toolbox](https://www.nsvv.nl/wp-content/uploads/2019/03/CIE-S-026-EDI-Toolbox-Userguide-vE1.05x.pdf)
+* White paper from AMS: [Chip-scale spectral sensing:
+understanding the new uses
+for ultra-precise light-source
+measurement ](https://ams.com/documents/20143/215005/ams_WhitePaper_Chip-scale_spectral_sensing_022021.pdf)