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1/31/2018 AS726X NIR/VIS Spectral Sensor Hookup Guide - learn.sparkfun.com

https://learn.sparkfun.com/tutorials/as726x-nirvi?_ga=2.149930550.1022152466.1517244327-204410570.1509632255 1/8

Hardware Overview

The AS7262 detects 450, 500, 550, 570, 600, and 650nm of light each with 40nm of full-width half-max detection. The

AS7263 can detect 610, 680, 730, 760, 810, and 860nm of light each with 20nm of full-width half-max detection.

Communication

The AS726X is unique as it can communicate by both an I C interface (through the onboard Qwiic connectors, or pins

at the bottom of the board) and serial interface using AT commands (pins at the top of the board).

While I C is the default setting (The default I C address is 0X49 for both AS7262 and AS7263) Serial communication

can be enabled by removing solder from the jumpers labeled JP1, adding solder to the jumper labeled JP2 (on the

back of the board), and using Sparkfun’s USB-to-Serial breakout to interface directly with the computer.

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Summary of content (8 pages)

PAGE 1
/31/2018 AS726X NIR/VIS Spectral Sensor Hookup Guide - learn.sparkfun.com Hardware Overview The AS7262 detects 450, 500, 550, 570, 600, and 650nm of light each with 40nm of full-width half-max detection. The AS7263 can detect 610, 680, 730, 760, 810, and 860nm of light each with 20nm of full-width half-max detection.
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1/31/2018 AS726X NIR/VIS Spectral Sensor Hookup Guide - learn.sparkfun.com https://learn.sparkfun.com/tutorials/as726x-nirvi?_ga=2.149930550.1022152466.1517244327-204410570.
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1/31/2018 AS726X NIR/VIS Spectral Sensor Hookup Guide - learn.sparkfun.com LED The board also has multiple ways for you to illuminate the object that you are trying to measure for a more accurate spectroscopy reading. There is an onboard, 5700K LED that has been picked out specifically for this task. However, if you aren’t satisfied with the onboard LED, you can grab your own through hole incandescent. While you should find a bulb rated for 3.
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1/31/2018 AS726X NIR/VIS Spectral Sensor Hookup Guide - learn.sparkfun.com Hardware Assembly The beauty of Sparkfun’s new Qwiic environment means that connecting the sensor could not be easier. Just plug one end of the Qwiic cable into the AS726X, the other into one of the Qwiic Shields, and stack the board on a development board. You’ll be ready to upload a sketch to start taking spectroscopy measurements.
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1/31/2018 AS726X NIR/VIS Spectral Sensor Hookup Guide - learn.sparkfun.com Library Overview Before we get started, we’ll need to download and install SparkFun’s AS726X Arduino library. DOWNLOAD THE SPARKFUN AS726X LIBRARY Note: This example assumes you are using the latest version of the Arduino IDE on your desktop. If this is your first time using Arduino, please review our tutorial on installing the Arduino IDE.
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1/31/2018 AS726X NIR/VIS Spectral Sensor Hookup Guide - learn.sparkfun.com void enableIndicator(); — Powers on the surface mounted blue indicator LED. void disableIndicator(); — Powers off the surface mounted blue indicator LED. void setIndicatorCurrent(byte current); — Sets the current on the indicator LED. The default is current = 3 , or 8 mA. 0: 1 mA 1: 2 mA 2: 4 mA 3: 8 mA void enableBulb(); — Powers on the surface mounted blue indicator LED.
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1/31/2018 AS726X NIR/VIS Spectral Sensor Hookup Guide - learn.sparkfun.com Example 1 — Basic Readings The below sketch will get you up and running taking calibrated spectral readings on all 6 channels. Once this sketch is uploaded, open the serial monitor with a baud rate of 115200 to display the spectral data from the sensor. #include "AS726X.h" AS726X sensor; COPY CODE void setup() { sensor.begin(); } void loop() { sensor.takeMeasurements(); sensor.
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1/31/2018 AS726X NIR/VIS Spectral Sensor Hookup Guide - learn.sparkfun.com https://learn.sparkfun.com/tutorials/as726x-nirvi?_ga=2.149930550.1022152466.1517244327-204410570.