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Add a teeny analog light sensor, the ALS PT19 analog light sensor is a great way to upgrade a project that uses a photocell and needs RoHS compliance. Due to the high rejection ratio of infrared radiation, the spectral response of the ambient light sensor is close to that of human eyes.
It's a pretty simple sensor - connect - to ground, + to 2.5V-5.5V or so to power it. Now measure the analog voltage on the OUT pin. That's it! The voltage will increase when the sensor detects more light.
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TECHNICAL DETAILS
- Datasheet
- EagleCAD PCB Files on GitHub
- Fritzing object in the Adafruit Fritzing Library
- 7.8mm x 10.6mm x 2.4mm / 0.3" x 0.4" x 0.09"
- Weight: 0.2g
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