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Adafruit Digital Luminosity Sensor

Product Code: ADA-0439

£5.99
Ex.Tax £4.99

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Adafruit Digital Luminosity Sensor
Adafruit Digital Luminosity Sensor
Adafruit Digital Luminosity Sensor

The TSL2561 luminosity sensor is an advanced digital light sensor, ideal for use in a wide range of light situations. The TSL2561 sensor allows for exact lux calculations and can be configured for different gain/timing ranges to detect light ranges from up to 0.1 - 40,000+ Lux on the fly. The sensor contains both infrared and full spectrum diodes meaning that you can separately measure infrared, full-spectrum or human-visible light. Most sensors can only detect one or the other, which does not accurately represent what human eyes see (since we cannot perceive the IR light that is detected by most photo diodes) 

The sensor has a digital (i2c) interface. You can select one of three addresses so you can have up to three sensors on one board - each with a different i2c address. The built in ADC means you can use this with any microcontroller, even if it doesn't have analog inputs. The current draw is extremely low, so its great for low power data-logging systems. about 0.5mA when actively sensing, and less than 15 uA when in powerdown mode. 
 
The TSL2561 Luminosity Sensor Features:
  • Approximates Human eye Response
  • Interface: I2C - Compatible with both the Raspberry Pi and Arduino
  • Separately Measure Infrared, Full-Spectrum or Human-Visible Light.
  • Precisely Measures Illuminance in Diverse Lighting Conditions
  • Extremely Low current draw (0.5mA when active, 15uA when idle)
  • Three select adresses - have up to three sensors on one board with a different i2c address.
  • Temperature range: -30 to 80 *C
  • Dynamic range (Lux): 0.1 to 40,000 Lux
  • Voltage range: 2.7-3.6V
  • Microcontroller compatible with built in ADC (even without analog inputs)

Tutorials

Assembly Guide and Tutorial

 

Downloads
Datasheets TSL2561.pdf
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