Light & UV sensors
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Distance Sensor / Light Sensor VCNL4010 I2C - Adafruit 466
The VCNL4010 sensor is a nice way to add a small-distance proximity sensor to your microcontroller project. The VCNL4010 is designed for shorter distances, no more than 200mm and under our experimentation we found it worked best at distances of about 10-150mm. It would be good for say detecting when a hand moved nearby, or before a robot smacks in...
Adafruit Part number: 466
In stock
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Laser receiver/sensor
This sensor gives a high signal when illuminated with laser light.
Works best when there is little other light falling on the sensor.
Voltage: 5V
Dimensions: 1.5cm x 1.9cm
In stock -
Light sensor / Photo transistor BPW40
With this BPW40 transistor you can, among other things, measure light pulses (better than with an LDR).
With a 100 Ohm resistor it can easily be connected to the input of an Arduino. (See diagram). In stock -
Light sensor / Photodiode BPW34 DIP-2 IR and visible light 65°
BPW34 is a PIN photodiode with high speed and high
radiant sensitivity in miniature, flat, top view, clear plastic
package.
It is sensitive to visible and near infrared radiation.
BPW34S is packed in tubes, specifications like BPW34. In stock -
Light sensor / Phototransistor HW5P-1 - Adafruit 2831
This Photo Transistor Light Sensor is a simple sensor that detects ambient light. It's kind of the opposite of an LED - when light hits the little chip inside, it induces current to flow from the long pin to the short pin. This sensor has a built-in optical filter (probably IR filter) so it'll do a fair job of simulating light levels as the human e...
Adafruit Part number: 2831
In stock
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Light sensor ALS-PT19 analog - Adafruit 2748
Add a teeny analog light sensor, the ALS PT19 analog light sensor is a great way to upgrade a project that uses a photocell and needs RoHS compliance. Due to the high rejection ratio of infrared radiation, the spectral response of the ambient light sensor is close to that of human eyes.
It's a pretty simple sensor - connect - to ground, + to 2.5V-... Adafruit Part number: 2748 In stock -
Light sensor LDR photosensitive resistor GL5528
Photosensitive resistor (LDR), type GL5528.
Resistance 10KOhm -20KOhm.
Resistance in the dark 1MOhm.
Voltage max. 150V DC.
Dimensions: 5.0 x 2.0 mm.
Click the website link for explanation and sketch for Arduino. In stock -
Light sensor LDR with LM393
This LDR light sensor measures the amount of light falling on it.
Depending on the light intensity, the digital output for the LM393 comparator will go from 0 to 1.
The sensitivity can be adjusted with the adjustable resistance.
Depending on the project, the LDR wires can be shortened so that it sits flat on the PCB.
Supply voltage: 3.3V - 5V In stock -
Light sensor lux meter BH1750FVI breakout
This BH1750FVI sensor measures the amount of light falling on it and displays this in Lux (Lx).
The built-in 16 bit analog-digital converter provides direct readout of light intensity, without complicated calculations or calibration.
Features:
- Low energy consumption.
- I2C address to be set (2 options).
- Adjustable accuracy (0.5 / 1.0 / 4.0 lx)... In stock -
UV Light Sensor Analog GUVA-S12SD - Adafruit 1918
Extend your light-sensing spectrum with this analog UV sensor module. It uses a UV photodiode, which can detect the 240-370nm range of light (which covers UVB and most of UVA spectrum). The signal level from the photodiode is very small, in the nano-ampere level, so we tossed on an opamp to amplify the signal to a more manageable volt-level.
This ... Adafruit Part number: 1918 In stock -
UV Sensor ML8511 (GY-8511)
The ML8511 sensor breakout is an easy-to-use ultraviolet light sensor. The MP8511 UV sensor outputs an analog signal proportional to the amount of UV light it detects. This can be useful for creating circuits that warn the user of sunburn or detect the UV index in relation to weather conditions.
This sensor detects light most effectively from 280-... In stock -
UV index/ IR/ Light sensor - digital I2C SI1145
The SI1145 is a new sensor from SiLabs with a calibrated UV sensing element that can calculate UV Index. It's a digital sensor that works over I2C so just about any microcontroller can use it. The sensor also has visible and IR sensing elements so you can measure just about any kind of light - but only the UV sensor has a calibrated output so if yo...
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