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The Adafruit LTR-303 Light Sensor - STEMMA QT / Qwiic by Adafruit is a value-for-money light sensor modules designed for everyday users. It features Model No. / Name: Light Sensor and Operating Voltage (VDC): 3.3 V to 5 V DC.
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About This Product
The Adafruit LTR-303 Light Sensor - STEMMA QT / Qwiic by Adafruit is a value-for-money light sensor modules designed for everyday users. It delivers reliable performance at an accessible price.
Key Specifications
- Model No. / Name: Light Sensor
- Operating Voltage (VDC): 3.3 V to 5 V DC — works with standard household power
- Interface: I2C Interface — compatible with modern devices
- Resolution: 16-bit
- Connector Type: STEMMA QT — compatible with modern devices
- Length (mm): 25.3
- Width (mm): 17.7
- Weight (g): 1.9
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The Adafruit LTR-303 Light Sensor is a low-cost, easy-to-use I2C sensor for reliable light measurements. It detects Infrared and Visible+IR light, providing 16-bit readings with a range of 0 to 65K+ lux. With configurable gain and integration settings, it’s perfect for applications like adjusting display brightness or guiding robots toward light. It also includes IRQ capabilities for low-power operation. The sensor comes on a STEMMA QT PCB with voltage regulation, making it compatible with both 3.3V and 5V devices like Raspberry Pi and Arduino. The pins are broken out for easy breadboarding.
Features:
- I2C interface with up to Fast Mode @ 400kbit/s with address 0x29 (cannot be changed)
- Ultra-small ChipLED package
- Built-in temperature compensation circuit
- Low active power consumption with standby mode
- Operating temperature range from -30 C to +70 C
- RoHS and Halogen free compliant
- Light Sensor close to human eye spectral response
- Immunity to IR / UV Light Source
- Automatically rejects 50 / 60 Hz lighting flicker
- 6 dynamic ranges from 0.01 lux to 64k lux
- 16-bit effective resolution
- Interrupt output capability
Package Includes:
1 x Adafruit LTR-303 Light Sensor
