Sensor, TSL2561 digital Luminosity / LUX
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Product details
| Description | Sensor, TSL2561 digital Luminosity / LUX The TSL2561 luminosity sensor is an advanced digital light sensor, ideal foruse in a wide range of light situations. Compared to low cost CdS cells, thissensor is more precise, allowing for exact lux calculations and can beconfigured for different gain/timing ranges to detect light ranges from up to0.1 - 40,000+ Lux on the fly. The best part of this sensor is that it containsboth infrared and full spectrum diodes! That means you can separately measureinfrared, full-spectrum or human-visible light. Most sensors can only detectone 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 threeaddresses so you can have up to three sensors on one board - each with adifferent i2c address. The built in ADC means you can use this with anymicrocontroller, even if it doesn't have analog inputs. The current draw isextremely low, so its great for low power data-logging systems. about 0.5mAwhen actively sensing, and less than 15 uA when in powerdown mode. Of course, we wouldn't leave you with a datasheet and a "good luck!" - wewrote a detailed tutorial showing how to wire up the sensor, use it with anArduino and example code that gets readings and calculates lux
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