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Evaluation Tool: TSL2591
Interface type: I2C
Description/Function: High dynamic range digital light sensor
Working temperature: + 80 C
Working temperature:-30 C
description
When the future is dazzling, this ultra-high luminosity range sensor will help you measure it. The TSL2591 photometric sensor is an advanced digital light sensor, suitable for use in various light conditions. Compared to cadmium sulfide cells, this sensor is much more, allowing lux calculations and configurable for different gain/timing ranges to 188 DULUX light detection range up to 88,000 lux at a flying distance.
The good part of this sensor is that it contains both infrared and full-spectrum diodes! This means you can measure infrared, full spectrum or human visible light separately. Most sensors can only detect one or the other, which does not accurately represent what the human eye sees (because we cannot perceive IR light detected by most photodiodes). This sensor is much like TSL2561 but has a wider range (and The interface code is different). The sensor has a huge dynamic range of 600 million:1! Unlike TSL2561, you cannot change the I2C address, so keep this in mind.
The built-in ADC device can take advantage of this with any microcontroller, even if it does not have an analog input. The current consumption is extremely low, so it is very suitable for low-power data logging systems. About 0.4mA-hour active sensing, less than 5 microampere-hour power-down mode.
Of course, we will not leave you with a data sheet and a "good luck!"-we wrote a detailed tutorial on how to connect the sensor, equipped with an Arduino and sample code for obtaining readings and calculating lux.
technical details
Chip specifications
TSL2591 data sheet
Close to the human eye response
Very wide dynamic range 1 600,000,000 counts
Lux range: 188 uLux sensitivity, up to 88,000 lumens input measurement.
Temperature range: -30～80 * C
$24.96
$ 11 .99 $11.99
$167.20
$ 79 .99 $79.99