This is a high sensitivity digital ambient light sensor module based on TSL25911, features 600M:1 wide dynamic range, detects light intensity up to 88000Lux, controlled via I2C interface, low power consumption. It is capable of operating across various light environment.

Digital light intensity sensor from Waveshare. The module is based on TSL25911 chip, which enables detection of light intensity up to 88000 lx. The dynamic range is 600M:1. It is compatible with Arduinoand Raspberry Pi and uses I2C interface to communicate with the main module. It is used when working in different lighting conditions and has low power consumption.

The TSL2591 is a very-high sensitivity light-to-digital converter that transforms light intensity into a digital signal output capable of direct I²C interface. The device combines one
broadband photodiode (visible plus infrared) and one infrared-responding photodiode on a single CMOS integrated circuit. Two integrating ADCs convert the photodiode currents
into a digital output that represents the irradiance measured on each channel. This digital output can be input to a microprocessor where illuminance (ambient light level) in lux
is derived using an empirical formula to approximate the human eye response. The TSL2591 supports a traditional level style interrupt that remains asserted until the firmware clears it

Features: 

1. Adopts TSL25911FN, measures infrared plus visible light (wider range than TSL2561)
2. Embedded ADC, direct light intensity signal output to I2C interface, less noise jamming
3. High sensitivity up to 188uLux, wide dynamic range up to 600M:1
4. Embedded infrared-responding photodiode, allows precise measuring even on strong infrared noise environment
5. Provides interrupt output with programmable upper and lower thresholds
6. Onboard voltage translator, compatible with 3.3V/5V operating voltage
7. Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32)

Package Includes:

1 x TSL25911 Light Sensor
1 x PH2.0 5PIN wire

Spectrometer 2 Click as its foundation uses the VD6283TX, a color sensor with advanced light flicker extraction from STMicroelectronics. It performs fast and accurate light measurements thanks to an individual ADC with a resolution of 24 bits (16 bit + 8 bit for high accuracy under low light) and a readout for six color channels: red, green, blue, IR, clear, and visible. The color channels can be individually enabled to optimize power consumption, alongside 15 programmable gains for a high-dynamic range, through a serial interface. Six channels can operate with independent, parallel reading for ALS or flicker operations, one represents a dedicated fast channel for light flicker measurement, and one stands for an internal dark channel.

The VD6283TX uses hybrid color filters with precise responses allowing accurate computation of the correlated color temperature (CCT) and Lux information. Its patented architecture and a high-performance photodiode design can also extract light-flickering frequencies from a minimum of 100Hz and a maximum frequency of 2kHz, including LED square signals, to avoid “banding effects” or check that they are safe for the human eye.

Spectrometer 2 Click communicates with MCU using the standard I2C 2-Wire interface with a maximum clock frequency of 1MHz, fully adjustable through software registers. The VD6283TX does not require a specific Power-Up sequence but requires a voltage of 1.8V for its interface and logic part to work correctly. Therefore, a small regulating LDO is used, the ADP151, providing a 1.8V out of 3.3V mikroBUS™ power rail. Since the sensor for operation requires a power supply of 1.8V, this Click board™ also features the PCA9306 voltage-level translator allowing the VD6283TX to work with 3.3V MCU properly.

This Click board™ can be operated only with a 3.3V logic voltage level. The board must perform appropriate logic voltage level conversion before using MCUs with different logic levels. However, the Click board™ comes equipped with a library containing functions and an example code that can be used, as a reference, for further development.

Applications: Can be used for screen brightness adjustment and white balance color assistance, lux and CCT measurement, or light frequency extraction for flicker correction assistance

Specifications and Features:

1. Type:  Optical Sensor
2. Low power consumption
3. Interface:  Analog, I2C
4. Compatibility: mikroBUS
5. Click board size: 28.6 x 25.4 mm
6. Input Voltage: 3.3V
7. Parallel sensing of all six channels
8. On-board modules VD6283TX – hybrid filter multispectral sensor with light flicker engine from STMicroelectronics
9. Advanced hybrid filters with high photocount response
10. Innovative readout architecture to extract AC light flicker signal, from 100Hz to 2kHz frequency detection – sine or square wave

Useful Link:

• MikroBUS
• MikroSDK
• Spectrometer 2 click example on Libstock
• Spectrometer 2 click 2D and 3D files
• Spectrometer 2 click schematic
• VD6283TX datasheet.

Package Includes:

1 x Mikroe SPECTROMETER 2 CLICK

The TSL2591 luminosity sensor is an advanced digital light sensor, ideal for use in a wide range of light situations. Compared to low-cost CdS cells, this sensor is more precise, allowing for exact lux calculations, and can be configured for different gain/timing ranges to detect light ranges from 188u lux up to 88,000 Lux on the fly.

The best part of this sensor is that it contains both infrared and full spectrum diodes! That means 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) This sensor is much like the TSL2561 but with a wider range (and the interface code is different). This sensor has a massive 600,000,000:1 dynamic range! Unlike the TSL2561 you cannot change the I2C address, so keep that in mind.

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 it’s great for low-power data-logging systems. about 0.4mA when actively sensing, and less than 5 uA when in power-down mode.

As if that weren’t enough, we’ve also added SparkFun qwiic compatible STEMMA QT connectors for the I2C bus so you don’t even need to solder. Just wire up to your favorite micro with a plug-and-play cable to get data ASAP. For a no-solder experience, just wire up to your favorite micro using a STEMMA QT adapter cable. The Stemma QT connectors also mean the TSL2591 can be used with our various associated accessories. QT Cable is not included, but we have a variety in the shop.

Package Includes:

1 x Adafruit TSL2591 High Dynamic Range Digital Light Sensor – STEMMA QT

V Sensor (C) is an I2C digital UV sensor expansion board equipped with LTR390-UV-01, which can be used to measure UV and human visible light and can output light intensity data. UV Sensor (C) has the characteristics of sensitive sensing, fast response and small size. Its core sensor LTR390-UV-01 is integrated on a 27 × 20mm expansion board, which can be easily integrated into the device.

Features: 

1. Using LTR390-UV-01, can measure ultraviolet and visible light of human eye
2. Built-in ADC, can directly output light intensity through I2C interface, not easy to be disturbed by noise
3. With interrupt output and programmable upper and lower thresholds
4. On-board level conversion circuit, compatible with 3.3V/5V working level
5. Provide complete supporting information manual (Raspberry/Arduino/STM32 sample program and user manual, etc.)

Application:

1. Ultraviolet tester
2. Outdoor ultraviolet detector
3. Germicidal lamp

Package Includes:

1 x UV Sensor (C)
1 x PH2.0 5PIN wire

Summer is coming, want to make a UV detector to know the UV index when you are under the sun? Grove – Sunlight Sensor is recommended here.

Grove – Sunlight Sensor is a multi-channel digital light sensor, which has the ability to detect UV-light, visible light and infrared light.

This device is based on SI1145, a new sensor from SiLabs. The Si1145 is a low-power, reflectance-based, infrared proximity, UV index and ambient light sensor with I2C digital interface and programmable-event interrupt output. This device offers excellent performance under a wide dynamic range and a variety of light sources including direct sunlight.

Grove – Sunlight Sensor includes an onboard Grove connector, which helps you to connect it to your Arduino easily. You can use this device for making some projects which need to detect the light, such as a simple UV detector for your Raspberry Pi weather station, or a smart irrigation system using Arduino if you need to monitor the visible spectrum.

Getting Started with SeeedStudio Grove Sunlight Sensor

Hardware Overview:

• Grove Connector – a 4pin interface, containing VCC, GND, SDA and SCL
• LED – LED Driver pin
• INT – a programmable interrupt output
• SI1145 – IC

Application:

1. Light detection
2. smart irrigation system
3. DIY weather station

Features: 

1. Multi-channel digital light sensor: can detect UV-light, visible light and infrared light
   
2. Wide spectrum detection range: 280-950nm
   
3. Easy to use: I2C Interface(7-bit), compatible with Grove port, just plug-and-play
4. Programmable configuration: Versatile for various applications
   
5. 3.3/5V Supply, suitable for many microcontrollers and SBCs

Package Includes:

1 x SeeedStudio Grove Sunlight Sensor

[vc_row][vc_column][vc_column_text]DFrobot offers an advanced level of sensors at an affordable cost than any other competitor brand in the market, making them ideal for the one who wants to start some Projects through Different types of sensors.

After finding Different types of sensors on market, we at robu.in have determined that DFrobot is one of the good brands that offer a wide range of sensors at an Appropriate price.

We live in a colorful world, but how much do you really know about color? Your eyes may deceive you, while the sensors don’t lie. This Gravity: AS7341 11-Channel Visible Light Sensor can tell you the truth about color.

Gravity: AS7341 11-Channel Visible Light Sensor employs the new generation of AS7341 spectral sensor IC launched by the well-known AMS company. The sensor features eight channels for the visible light, one channel for near-IR, and one channel without a filter. Also, it integrates a dedicated channel to detect ambient light flicker. Besides that, this sensor comes with 6 independent 16-bit ADC channels for data processing in parallel. The two on-board extra-bright LEDs can supply light in a dark environment.

Applications:

1. High accuracy color detection and matching
2. Color mixing effect detection
3. Lighting color temperature adjustment
4. Lighting atmosphere control
5. Modern plant cultivation

Features:

1. 8 optical channels covering the visible spectral range
2. 50Hz and 60Hz ambient light flicker detection
3. 6 independent 16-bit ADC channels

Specifications:

1. Power Supply: 3.3V~5V
2. Visible Light Detection Range: F1(405-425nm), F2(435-455nm), F3(470-490nm), F4(505-525nm), F5(545-565nm), F6(580-600nm), F7(620-640nm), F8(670-690nm)
3. Operating Current(LED Off): <5mA
4. LED Driving Current: Class 1-20 (4-42mA)
5. I2C Address: 0x39
6. Operating Temperature Range: -30℃~85℃
7. Operating Humidity Range: 5%RH~85%RH
8. Dimension: 22*20mm/0.87*0.79”

Package Includes:

1 x Gravity: AS7341 Visible Light Sensor

1 x 6 pin male header[/vc_column_text][/vc_column][/vc_row]