This module is based on the I2C light-to-digital converter TSL2561 to transform light intensity to a digital signal. Different from the traditional analog light sensor, as Grove - Light Sensor, this digital module features a selectable light spectrum range due to its dual light sensitive diodes: infrared and full spectrum.
You can switch between three detection modes to take your readings. They are infrared mode, full-spectrum and human visible mode. When running under the human visible mode, this sensor will give you readings just close to your eye feelings.
Selectable detection modes
high-resolution 16-Bit digital output at 400 kHz I2C Fast-Mode
Wide dynamic range: 0.1 - 40,000 LUX
Wide operating temperature range: -40°C to 85°C
Programmable interrupt function with User-Defined Upper and lower threshold settings
Ambient light sensing
Backlighting control for display panel
Keyboard illumination control
For all Grove users (especially beginners), we provide you guidance PDF documents. Please download and read through Preface - Getting Started and Introduction to Grove before your using of the product.
|Dimensions||24mm x20mm x9.8mm|
|Dynamic range:||0.1 - 40,000 LUX|
|Operating temperature range:||-40℃ to 85℃|
|Grove - Digital Light Sensor||1|
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Well packaged with description.
HI, I am using this sensor with pi 3B+ not working and giving error as follows: Traceback (most recent call last): File "/home/pi/Desktop/Forest IoT/Light.py", <module> sensor_value = grovepi.analogRead(light_sensor) File "/home/pi/Desktop/Forest IoT/grovepi.py", line 227, in analogRead return number * 256 + number TypeError: 'int' object is not subscriptable 'int' object is not subscriptable, updated the firmware, os not working. but same program working fine with pi 3B.Question by: admin on 2018-12-18 02:23:45
Hi there, I use the raspberry pi 3b+, and updated the latest firmware for the grovepi+, i can get the correct reading. My Raspberry Pi OS version is Linux raspberrypi 4.14.71-v7+. thanks. pi@raspberrypi:~/GrovePi/Software/Python $ cd grove_i2c_digital_light_sensor pi@raspberrypi:~/GrovePi/Software/Python/grove_i2c_digital_light_sensor $ ls Adafruit_I2C.py readme_grove_i2c_digital_light_sensor.MD grove_i2c_digital_light_sensor.py pi@raspberrypi:~/GrovePi/Software/Python/grove_i2c_digital_light_sensor $ python grove_i2c_digital_light_sensor.py Lux: 136 [Vis+IR=6269, IR=1528 @ Gain=16x, Timing=402.0ms] Lux: 149 [Vis+IR=6830, IR=1664 @ Gain=16x, Timing=402.0ms] Lux: 149 [Vis+IR=6831, IR=1665 @ Gain=16x, Timing=402.0ms] Lux: 149 [Vis+IR=6830, IR=1665 @ Gain=16x, Timing=402.0ms] Lux: 149 [Vis+IR=6831, IR=1665 @ Gain=16x, Timing=402.0ms] Lux: 149 [Vis+IR=6831, IR=1665 @ Gain=16x, Timing=402.0ms] Lux: 117 [Vis+IR=5430, IR=1352 @ Gain=16x, Timing=402.0ms] Lux: 25 [Vis+IR=1466, IR=490 @ Gain=16x, Timing=402.0ms] Lux: 15 [Vis+IR=1027, IR=382 @ Gain=16x, Timing=402.0ms] Lux: 129 [Vis+IR=5995, IR=1490 @ Gain=16x, Timing=402.0ms] Lux: 139 [Vis+IR=6428, IR=1585 @ Gain=16x, Timing=402.0ms] Lux: 140 [Vis+IR=6482, IR=1594 @ Gain=16x, Timing=402.0ms] Lux: 141 [Vis+IR=6505, IR=1598 @ Gain=16x, Timing=402.0ms] pi@raspberrypi:~/GrovePi/Firmware $ uname -a Linux raspberrypi 4.14.71-v7+ #1145 SMP Fri Sep 21 15:38:35 BST 2018 armv7l GNU/LinuxAnswer by: admin on 2018-12-18 02:23:45