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Showing 21-40 of 58 products · 2 unavailable products hidden
5mm 5800B Universal Photoresistor Light-Dependent Resistance switch
A pack of 50 through-hole photoresistors (light-dependent resistors / LDRs) with a 5 mm diameter sensing element. These components change their resistance based on the amount of light hitting the sensor — resistance decreases as light intensity increases — making them a simple and inexpensive way...
Adafruit ALS-PT19 Analog Light Sensor Breakout
The Adafruit ALS-PT19 is a compact analog light sensor that provides a simple voltage output proportional to ambient light intensity. Its spectral response closely matches that of the human eye, thanks to a high infrared rejection ratio — making it ideal as an RoHS-compliant upgrade from traditio...
Gravity: Arduino CO2 Gas Sensor
The Gravity CO2 Gas Sensor uses an MG-811 electrochemical sensing element to detect carbon dioxide concentration in the air. The output voltage decreases as CO2 concentration increases, and an onboard potentiometer lets you set a threshold for a digital on/off signal output. An onboard heating c...
Gravity: 9 Pcs Sensor Set for Arduino
This is DFRobot's basic sensor set for arduino. Set includes light sensor, touch sensor, temperature sensor, magnetic sensor, vibration sensor, tilt sensor, big button, LED lighting module and Grayscale sensor. To connect these sensors to Arduino, we suggest to use our IO expansion shield...
Octopus Analog Photocell Brick OBPhotocell
The Octopus Analog Photocell Brick is a light-dependent resistor (LDR) module from the ElecFreaks Octopus Electronic Bricks series. It uses a cadmium-sulfide (CdS) photocell that changes resistance based on ambient light levels — the brighter the light, the lower the resistance. With its 3-pin co...
Gravity: Arduino CO/Combustible Gas Sensor (MQ9)
The Gravity MQ-9 gas sensor detects carbon monoxide (CO) and combustible gases including methane and propane. It uses a semiconductor SnO2 sensing element that cycles between high and low temperatures — detecting CO at low temperature (1.5V) and combustible gases at high temperature (5.0V). With...
Gravity: I2C ADS1115 16-Bit ADC Module (Arduino Raspberry Pi Compatible)
DFRobot I2C ADS1115 16-bit ADC module can accurately collect and convert analog signals. Through this ADC module, Raspberry Pi can easily use a wide range of Gravity series analog sensors to measure various signals, and perceive this world.Raspberry Pi is a common master control board which is...
Gravity: Arduino Gas Sensor (MQ2)
INTRODUCTION This is a generic Arduino gas sensor. It has MQ2 probe which is able to detect LPG, i-butane, propane, methane ,alcohol, Hydrogen, smoke.It can be used in gas leakage detecting device in consumer and industry markets. It has a high sensitivity and fast response time. ...
Gravity: AS7341 11-Channel Visible Light Sensor
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 A...
Gravity: 27 Pcs Arduino Sensor Kit
INTRODUCTION If you want to start playing with sensors, this sensor kit for arduino will be the perfect choice for you to get started. It comes with bundle of the most popular DFRobot sensors such as light sensors, gas sensors, sound sensors, touch sensors, distance sens...
Gravity: Analog Sensor Cable for Arduino - 50cm (10 Pack)
This high-quality 50cm analog sensor cable is equipped with a 3-pin PH2.0 plug connector on one side and a 3-pin DuPont connector on the other side. They are specially designed for our popular IO Expansion shield and analog sensors such as Ambient light sensor, Gray sensor, MIC sound, etc. It con...
SparkFun Ambient Light Sensor Breakout - TEMT6000
Basic breakout board for the TEMT6000 Ambient Light Sensor. Only what you need, nothing you don’t. Sensor acts like a transistor - the greater the incoming light, the higher the analog voltage on the signal pin. Documents: Hookup Guide Datasheet Bildr Tutorial GitHub
Gravity HF Gas Sensor (Calibrated) - I2C/UART/Analogue
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Measure hydrogen fluoride concentration with a factory-calibrated electrochemical probe that supports analogue, I2C and UART output modes. It is designed for quickly building an HF concentration detector for industrial and environmental protection applications.The sensor includes integrated tempe...
Gravity: Analog SHT30 Temperature Humidity Sensor
Gravity: Analog SHT30 Temperature & Humidity Sensor adopts the new generation SHT30 temperature and humidity sensor from Sensirion. Thanks to Sensirion's CMOSens® technology, highly integrated capacitive humidity sensing components and band-gap temperature sensing components, the SHT30 offers hig...
Gravity 3-Pin PH2.0 to DuPont Male Cable Pack 30cm
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This pack includes ten 30 cm Gravity analogue sensor cables, each with a 3-pin PH2.0 plug on one end and DuPont male connectors on the other.The cables are compatible with breadboard and DuPont wire spacing, making them handy for connecting DFRobot analogue sensors to an IO Expansion Shield or IO...
Photo Transistor Light Sensor
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...
Gravity:Digital Piranha LED Module-Red
Piranha LED light module (Red), and special sensors Arduino board and ambient light sensor extension combination, can be used in the interaction with the light works. When the LED light module connected to Arduino, the digital pin (LOW on, HIGH off) is used to control it. The brightness of LE...
Gravity: Arduino Analog Flame Sensor
This Gravity analog flame sensor detects fire and infrared light sources in the 760–1,100 nm wavelength range. With a 60° detection angle and analogue output proportional to flame distance, it's widely used in firefighting robots, fire alarm projects, and other safety applications. The Gravity i...
Gravity: Analog 20A Current Sensor
The Gravity Analog 20A Current Sensor measures both AC and DC current using the Hall effect, outputting a proportional analog voltage to your microcontroller. With high-voltage isolation built into the circuit design and a non-conductive acrylic base plate, it's designed for safe use in automatio...
Gravity:Analog UV Sensor V2
The Gravity Analog UV Sensor V2 uses a GUVA-S12SD photodiode to detect ultraviolet radiation in the 200–370 nm (UV-A) wavelength range. It outputs a linear analogue voltage signal proportional to UV intensity, making it easy to read UV index values directly with an Arduino or other microcontrolle...
