Adafruit
Adafruit AS7262 6-Channel Visible Light / Color Sensor Breakout
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The Adafruit AS7262 is a 6-channel visible light spectral sensor from AMS that measures light intensity across six specific wavelength bands: violet (450 nm)...
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The Adafruit AS7262 is a 6-channel visible light spectral sensor from AMS that measures light intensity across six specific wavelength bands: violet (450 nm), blue (500 nm), green (550 nm), yellow (570 nm), orange (600 nm) and red (650 nm). Readings are available as raw 16-bit values or calibrated floating-point values over I2C.
The breakout includes an SPI flash chip pre-programmed with device firmware, a 3.3V regulator, I2C level shifting, and a built-in LED flash for reflecting light off objects for improved colour detection. A UART interface (AT command compatible) is also available as an alternative to I2C.
Key Features
- 6 Spectral Channels – Silicon interference filters at 450, 500, 550, 570, 600 and 650 nm
- Calibrated Output – Raw 16-bit or calibrated floating-point readings
- On-Board Temperature Sensor – Reads chip temperature
- LED Flash – Built-in illumination for reflective colour measurement
- Dual Interface – I2C (default) and UART with AT commands
- Wide Voltage Range – 3–5V with on-board regulator and level shifting
- FTDI-Compatible UART Pinout – Plug-and-play with FTDI Friend
Also Available
- AS7341 10-Channel Light Sensor – More channels with STEMMA QT
Ideal For
- Colour detection and classification
- Spectral analysis of light sources
- Colour sorting systems
- Environmental light quality monitoring
Package Contents
- 1× Adafruit AS7262 6-Channel Visible Light / Colour Sensor Breakout
Jargon buster
Plain-language definitions for the technical terms used above.
- 3.3V regulator
- A 3.3V regulator is a power circuit that provides a steady 3.3 volts for parts that need that supply voltage. On a breakout board, it can let the sensor run safely even when the connected microcontroller or power source uses a higher voltage.
- breakout
- A breakout board carries a small or fine-pitched component and brings its connections out to standard, breadboard- and header-friendly pins. Describing a part as a breakout means it can be wired into a project without soldering directly to the component's tiny contacts.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- LED
- A light-emitting diode (LED) is a small electronic component that emits light when current flows through it in the correct direction. Because it only conducts one way, its polarity matters, and a through-hole LED must be soldered the correct way around to light up.
- SPI
- A fast serial communication bus often used for displays, memory cards, and sensors. It matters because SPI devices need specific pins for clock and data, plus a separate chip-select line for each device.
- STEMMA QT
- A small plug-in connector system for I2C boards that lets you connect compatible sensors and controllers without soldering. It matters because it can make wiring faster and less error-prone, especially when adding several small modules to a project.
- Torque
- A twisting force that causes something to rotate, usually measured in newton-metres or kilogram-centimetres. It matters when choosing motors, servos, gears, and tools because higher torque is needed to lift heavier loads, turn larger wheels, or move mechanisms without stalling.
- UART
- UART is a simple asynchronous serial interface that sends data over separate transmit and receive wires, usually labelled TX and RX, with both ends set to the same baud rate. It is a common way for microcontrollers and other serial devices to exchange data.
- wavelength
- The distance between repeating peaks of a wave, often used to describe the colour of light in nanometres. For visible lasers and LEDs, wavelength tells you the approximate colour, such as red, green or blue.
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