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Ammonia Gas Sensor - MQ-137

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Item #: SEN-17053 -
Price: $80.49
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The MQ-137 is an Ammonia (NH₃) gas sensor from Winsen. The sensing element is SnO2, which has lower conductivity in clean air. When NH₃ (Ammonia) gas exists, the sensor’s conductivity gets higher...

The MQ-137 is an Ammonia (NH₃) gas sensor from Winsen. The sensing element is SnO2, which has lower conductivity in clean air. When NH₃ (Ammonia) gas exists, the sensor’s conductivity gets higher along with the gas concentration rising. A simple circuit makes measuring this change in conductivity and turning it into data fairly straight-forward, but does require some calibration. For easy Solderability; use our Gas Sensor Breakout Board. Documents: Datasheet Videos ...

Dual Gas CO and CH4 Detection Sensor - MQ-9B

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Item #: SEN-17050 -
Price: $12.36
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The MQ-9B is a CO and CH₄ gas detection sensor form Winsen. The sensing material of the MQ-9B is SnO2, which has a low conductivity in clean air. It detects carbon monoxide (1.5V) by method of...

The MQ-9B is a CO and CH₄ gas detection sensor form Winsen. The sensing material of the MQ-9B is SnO2, which has a low conductivity in clean air. It detects carbon monoxide (1.5V) by method of cycling high and low temperature. The sensor’s conductivity gets higher with the CO and CH₄ gas concentration rising. The sensing range is 10-500ppm CH₄. A simple circuit makes measuring this change in conductivity and turning it into data fairly straight-forward, but does require some calibration. For...

Hydrogen Sulfide Gas Sensor - MQ-136

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Item #: SEN-17052 -
Price: $80.49
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The MQ-136 is a Hydrogen Sulfide detection sensor with a sensing range of 1 - 200ppm. The sensing element is SnO2, which has lower conductivity in clean air. When H₂S gas exists, the sensor’s...

The MQ-136 is a Hydrogen Sulfide detection sensor with a sensing range of 1 - 200ppm. The sensing element is SnO2, which has lower conductivity in clean air. When H₂S gas exists, the sensor’s conductivity gets higher along with the gas concentration rising. A simple circuit makes measuring this change in conductivity and turning it into data fairly straight-forward, but does require some calibration. For easy Solderability; use our Gas Sensor Breakout Board. Documents: Datasheet Videos ...

Low Concentration Ozone Gas Sensor - MQ-131

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Item #: SEN-17051 -
Price: $80.49
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The MQ-131 is a low concentration Ozone gas sensor from Winsen. The sensing material for the MQ-131 is WO₃. It will have lower conductivity in clean air and higher conductivity when the ozone...

The MQ-131 is a low concentration Ozone gas sensor from Winsen. The sensing material for the MQ-131 is WO₃. It will have lower conductivity in clean air and higher conductivity when the ozone concentration rises. This sensor has high sensitivity to ozone, and also has sensitivity to strong oxide such as Cl₂, NO₂ &etc. It responses oppositely to organic interference gases. The sensing range is 10 - 1000ppm. A simple circuit makes measuring this change in conductivity and turning it into data...

Mass Flow Sensor - Calibrated

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Item #: SEN-14941 -
Price: $178.19
Sparkfun

The FS2012 mass flow sensor module measures the flow across a sensing surface using the thermo-transfer (calorimetric) principle and is capable of measuring gas or liquid medium. Some key advantages...

The FS2012 mass flow sensor module measures the flow across a sensing surface using the thermo-transfer (calorimetric) principle and is capable of measuring gas or liquid medium. Some key advantages over other flow solutions The sensor utilizes series of MEMS thermocouples, which provide excellent signal-to-noise ratio. The solid thermal isolation along with the silicon-carbide film coating offers excellent abrasive wear resistance and long-term reliability. The high temperature material used...

MIKROE Air Quality 5 Click

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Item #: SEN-19971 -
Price: $111.15
Sparkfun

Air quality 5 Click is a triple MOS sensor on a single Click board™, which can detect gas pollution for a number of different gases. The onboard sensor is specially designed to detect the pollution...

Air quality 5 Click is a triple MOS sensor on a single Click board™, which can detect gas pollution for a number of different gases. The onboard sensor is specially designed to detect the pollution from automobile exhausts, as well as the gas pollution from the industrial or agricultural industry. This Click board™ uses the MiCS-6814, a compact MOS sensor with three fully independent sensing elements in one package: RED sensor, OX sensor, and NH3 sensor. Each of these sensors reacts with the...

MIKROE Air Quality 7 Click

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Item #: SEN-19403 -
Price: $101.26
Sparkfun

Air Quality 7 Click is a compact add-on board that combines state-of-the-art MOS sensor technology with intelligent detection algorithms to monitor VOCs and CO2 equivalent variations in confined...

Air Quality 7 Click is a compact add-on board that combines state-of-the-art MOS sensor technology with intelligent detection algorithms to monitor VOCs and CO2 equivalent variations in confined spaces. This board features the MiCS-VZ-89TE, an integrated sensor module for indoor air quality monitoring from Amphenol. This Click board™, an I2C configurable environmental sensor board, has many features such as low power, wide VOCs detection range, high sensitivity, and high resistance to shocks...

MIKROE Air Quality 9 Click

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Item #: SEN-19651 -
Price: $79.00
Sparkfun

Air quality 9 Click is a compact add-on board containing a best-in-class air-quality sensing solution. This board features the ENS160, a digital multi-gas sensor solution based on metal oxide (MOX)...

Air quality 9 Click is a compact add-on board containing a best-in-class air-quality sensing solution. This board features the ENS160, a digital multi-gas sensor solution based on metal oxide (MOX) technology with four MOx sensor elements from ScioSense. Each sensor element has independent hotplate control to detect a wide range of gases. The ENS160 series features TrueVOC™ air quality detection and supports intelligent algorithms, which calculate CO2 equivalents, TVOC, air quality index...

MIKROE Altitude 5 Click

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Item #: SEN-19120 -
Price: $61.69
Sparkfun

MIKROE Altitude 5 Click is a compact add-on board allowing high-resolution barometric pressure measurement. This board features the KP236, an analog barometric air pressure sensor based on a...

MIKROE Altitude 5 Click is a compact add-on board allowing high-resolution barometric pressure measurement. This board features the KP236, an analog barometric air pressure sensor based on a capacitive principle from Infineon Technologies. The KP236 is primarily developed for measuring barometric air pressure but can also be used in other application fields. It is surface micro-machined with a monolithic integrated signal conditioning circuit implemented in BiCMOS technology. The calibrated...

MIKROE Altitude 6 Click

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Item #: SEN-19111 -
Price: $61.69
Sparkfun

MIKROE Altitude 6 Click is a compact add-on board that allows height measurement of an object or point related to sea level or ground level. This board features the MS5611-01BA03, a high-resolution...

MIKROE Altitude 6 Click is a compact add-on board that allows height measurement of an object or point related to sea level or ground level. This board features the MS5611-01BA03, a high-resolution barometric pressure sensor optimized for altimeter applications with an altitude resolution of 10 cm from TE Connectivity. It consists of a high linearity pressure sensor and an ultra-low power 24 bit ΔΣ ADC with internal factory calibrated coefficients. Also, it provides a precise digital 24-bit...

MIKROE Ammonia Click

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Item #: SEN-18918 -
Price: $166.31
Sparkfun

MIKROE Ammonia Click is an Ammonia detection (NH3) sensor, based on the MQ-137 gas sensor. This gas sensor has a sensitive layer made of SnO2, which changes its resistance when exposed to ammonia....

MIKROE Ammonia Click is an Ammonia detection (NH3) sensor, based on the MQ-137 gas sensor. This gas sensor has a sensitive layer made of SnO2, which changes its resistance when exposed to ammonia. The sensor is able to sense NH3 concentration in the range of 5 ppm to 200 ppm. This Click board™ is also equipped with a trimmer potentiometer, used to adjust the sensitivity and offset of the MQ-137 sensor, making it well suited for the detection of ammonia, which may cause severe health disorders...

MIKROE CO 2 Click

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Item #: SEN-19925 -
Price: $148.24
Sparkfun

CO 2 Click is a very accurate, carbon-monoxide-gas-sensor Click board™, equipped with the SPEC amperometric, 3SP CO 1000 gas sensor which electrochemically reacts with the carbon monoxide (CO). It...

CO 2 Click is a very accurate, carbon-monoxide-gas-sensor Click board™, equipped with the SPEC amperometric, 3SP CO 1000 gas sensor which electrochemically reacts with the carbon monoxide (CO). It is supported by the LMP91000, a high-precision integrated analog front-end IC (AFE), perfectly suited for use in electrochemical, sensing applications. The Click board™ also provides the reference voltage required by the sensor and it offers a choice between the analog output from the AFE IC buffered...

MIKROE Environment 2 Click

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Item #: SEN-19290 -
Price: $49.33
Sparkfun

Environment 2 Click is a compact add-on board containing best-in-class SHT humidity and SGP air-quality sensing solutions from Sensirion. This board features SHT40 and SGP40, a high-accuracy...

Environment 2 Click is a compact add-on board containing best-in-class SHT humidity and SGP air-quality sensing solutions from Sensirion. This board features SHT40 and SGP40, a high-accuracy ultra-low-power relative humidity, and a temperature sensor combined with MOx based gas sensor. The SHT40 sensor offers linearized digital output, provides constant temperature accuracy, up to 0.1°C, and shows the best performance when operated within the temperature and humidity range of 5-60°C and...

MIKROE Environment 3 Click

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Item #: SEN-19113 -
Price: $61.69
Sparkfun

MIKROE Environment 3 Click is a compact add-on board that contains a four-in-one environmental measurement solution. This board features BME688, a first gas sensor with Artificial Intelligence (AI),...

MIKROE Environment 3 Click is a compact add-on board that contains a four-in-one environmental measurement solution. This board features BME688, a first gas sensor with Artificial Intelligence (AI), and integrated high-linearity/high-accuracy pressure, humidity, and temperature sensors from Bosch Sensortech. The BME688 can detect Volatile Organic Compounds (VOCs), Volatile Sulfur Compounds (VSCs), and other gases such as carbon monoxide and hydrogen in part per billion (ppb) range. It provides...

MIKROE Humidity Click

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Availability: Out of Stock
Item #: SEN-19118 -
Price: $61.69
Sparkfun

MIKROE Humidity Click is a compact add-on board used to sense the amount of water vapor in the air. This board features the HIH-5030, an analog output relative humidity sensor from Honeywell Sensing...

MIKROE Humidity Click is a compact add-on board used to sense the amount of water vapor in the air. This board features the HIH-5030, an analog output relative humidity sensor from Honeywell Sensing and Productivity Solutions. The HIH-5031 is a covered, condensation-resistant, integrated circuit humidity sensor that is factory-fitted with a hydrophobic filter allowing usage in many condensing environments. The RH sensor uses a laser-trimmed, thermoset polymer capacitive sensing element with...

MIKROE HVAC Click

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Availability: Out of Stock
Item #: SEN-18972 -
Price: $111.15
Sparkfun

MIKROE HVAC Click is a compact add-on board that contains Sensirion’s next-generation miniature CO2 sensor. This board features the SCD41, a carbon dioxide sensor build on the photoacoustic sensing...

MIKROE HVAC Click is a compact add-on board that contains Sensirion’s next-generation miniature CO2 sensor. This board features the SCD41, a carbon dioxide sensor build on the photoacoustic sensing principle, and Sensirion’s patented PASens® and CMOSens® technology to offer high accuracy at a minor form factor. On-chip signal compensation is realized with the build-in humidity and temperature sensor. It operates within a specified range from 400 to 5,000 ppm, configurable through the I2C...

MIKROE Hydro Probe Click

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Availability: Out of Stock
Item #: SEN-18784 -
Price: $24.60
Sparkfun

MIKROE Hydro Probe Click is a capacitive soil moisture sensor based on capacitive changes that are used to detect the volumetric water content in the soil. Water detection is achieved by using...

MIKROE Hydro Probe Click is a capacitive soil moisture sensor based on capacitive changes that are used to detect the volumetric water content in the soil. Water detection is achieved by using function oscillator MIC1557 and ADC converter MCP3221 from Microchip, which allow you to convert moisture presents to the digital value. Compared to resistant soil moisture sensors, its capacitive style reduces electrode erosion making it corrosion resistant and a better choice for applications such as...

MIKROE NDIR CO2 Click

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Availability: Out of Stock
Item #: SEN-19002 -
Price: $356.52
Sparkfun

MIKROE NDIR CO2 Click is an advanced integrated CO2 gas sensor system, which is able to measure an absolute CO2 concentration, by utilizing the CDM7160 integrated sensor. This sensor is based on...

MIKROE NDIR CO2 Click is an advanced integrated CO2 gas sensor system, which is able to measure an absolute CO2 concentration, by utilizing the CDM7160 integrated sensor. This sensor is based on nondispersive infrared sensing principle (NDIR), with two detection elements: one is used for detecting the wavelength of the IR light spectrum, affected by the CO2 gas, while the other detects the wavelength of the IR light spectrum not affected by the CO2 gas. The integrated MCU processes the...

MIKROE NO2 2 Click

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Availability: Out of Stock
Item #: SEN-19606 -
Price: $98.78
Sparkfun

NO2 2 Click is a gas sensor Click board™, equipped with the MiCS-2714, a compact metal oxide (MOS) sensor. This sensor reacts to the presence of nitrogen dioxide (NO2) and hydrogen (H2). Its...

NO2 2 Click is a gas sensor Click board™, equipped with the MiCS-2714, a compact metal oxide (MOS) sensor. This sensor reacts to the presence of nitrogen dioxide (NO2) and hydrogen (H2). Its impedance changes as a result of a catalytic reaction, allowing it to be used in a voltage divider configuration. This voltage can be sampled by an accurate A/D converter (ADC), allowing data to be read directly over the I2C interface. The MiCS-2714 sensor itself is a robust sensor, which can be used in...

MIKROE Ozone 2 Click

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Availability: Out of Stock
Item #: SEN-19010 -
Price: $111.15
Sparkfun

MIKROE Ozone 2 Click is an Ozone detection (O3) sensor, based on the MQ131 gas sensor. This gas sensor has a sensitive layer made of SnO2, which changes its resistance when exposed to ozone. The...

MIKROE Ozone 2 Click is an Ozone detection (O3) sensor, based on the MQ131 gas sensor. This gas sensor has a sensitive layer made of SnO2, which changes its resistance when exposed to ozone. The sensor is able to sense O3 concentration in the range of 10 ppm to 1000 ppm. The Click board™ is also equipped with a trimmer potentiometer, used to adjust the sensitivity and offset of the MQ131 sensor. Low cross-influence of other oxidation gases such as CL2 and NO2, ensures a good accuracy of the...

MIKROE pH Click

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Availability: Out of Stock
Item #: SEN-19331 -
Price: $261.42
Sparkfun

pH Click is a compact add-on board that provides an opportunity for the user to read pH with the same accuracy and capabilities as with some other expensive solutions. This board features the pH...

pH Click is a compact add-on board that provides an opportunity for the user to read pH with the same accuracy and capabilities as with some other expensive solutions. This board features the pH EZO™, a 6th generation embedded pH circuit that offers the highest level of stability and accuracy from AtlasScientific. With an easy to use data protocol, simple command structure, and flexible calibration protocol this Click board™ works with any off-the-shelf pH probe. It has temperature-dependent...

MIKROE PHT Click

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Availability: Out of Stock
Item #: SEN-19344 -
Price: $54.28
Sparkfun

PHT Click is a compact add-on board that contains a PHT combo sensor. This board features the MS8607, a digital combination sensor providing 3 environmental measurements all-in-one: pressure,...

PHT Click is a compact add-on board that contains a PHT combo sensor. This board features the MS8607, a digital combination sensor providing 3 environmental measurements all-in-one: pressure, humidity, and temperature from TE Connectivity. This sensor is based on leading MEMS technologies, provides factory-calibrated PHT data available over an I2C serial interface. The standout feature of the MS8607, alongside its very respectable low power consumption at as low as 0.78 µA, is also ultra-low...

MIKROE RAQ Click

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Availability: Out of Stock
Item #: SEN-19335 -
Price: $86.42
Sparkfun

RAQ Click is a compact add-on board targeted for use in refrigeration air quality (RAQ) applications. This board features the ZMOD4450, a gas sensor module designed for detecting gases associated...

RAQ Click is a compact add-on board targeted for use in refrigeration air quality (RAQ) applications. This board features the ZMOD4450, a gas sensor module designed for detecting gases associated with food ripening or rotting from Renesas Electronics Corporation. The module’s sense element consists of a heater element on a silicon-based MEMS structure and a metal temperature sensor. It measures the MOx conductivity, which is a function of the gas concentration, and measurement results read via...

MIKROE Smoke 2 Click

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Availability: Out of Stock
Item #: SEN-18904 -
Price: $111.15
Sparkfun

MIKROE Smoke 2 Click is a compact add-on board that contains the most efficient version of the smoke detector. This board features the ADPD188BI, a complete photometric system for smoke detection...

MIKROE Smoke 2 Click is a compact add-on board that contains the most efficient version of the smoke detector. This board features the ADPD188BI, a complete photometric system for smoke detection using optical dual-wavelength technology from Analog Devices. The module combines the dual photodetector with two separate LEDs and a mixed-signal photometric front-end ASIC, housed in a package that prevents light from going directly from the LED to the photodiode, without first entering the smoke...

MIKROE Thunder Click

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Availability: Out of Stock
Item #: SEN-18821 -
Price: $86.42
Sparkfun

MIKROE Thunder Click features AS3935 lightning sensor as well as MA5532 coil antenna. It detects the presence and proximity of potentially hazardous lightning activity in the vicinity and provides...

MIKROE Thunder Click features AS3935 lightning sensor as well as MA5532 coil antenna. It detects the presence and proximity of potentially hazardous lightning activity in the vicinity and provides estimated distance to the center of the storm. It can also provide information on the noise level. Thunder click communicates with the target board microcontroller via SPI and INT lines. The board is designed to use 3.3V or 5V power supply. LED diode (GREEN) indicates the presence of power supply....

MIKROE Water Detect Click

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Availability: Out of Stock
Item #: SEN-18905 -
Price: $24.60
Sparkfun

MIKROE Water Detect Click is used for detecting water and other electroconductive liquids. If the detection area is wet the output of Microchip's MCP606 CMOS op-amp will go positive, signaling the...

MIKROE Water Detect Click is used for detecting water and other electroconductive liquids. If the detection area is wet the output of Microchip's MCP606 CMOS op-amp will go positive, signaling the presence of liquid. Water Detect Click can be used as a household flood alarm sensor, rain detector for smart buildings or for water tanks that act as a limit switch for a pump. Water Detect Click works by comparing the voltage of two resistor dividers using the MCP606 comparator. The resistor...

Nicla Sense ME

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Availability: Out of Stock
Item #: SEN-19727 -
Price: $197.22
Sparkfun

The Nicla Sense ME is a tiny, low-power tool that sets a new standard for intelligent sensing solutions. With the simplicity of integration and scalability of the Arduino ecosystem, the board...

The Nicla Sense ME is a tiny, low-power tool that sets a new standard for intelligent sensing solutions. With the simplicity of integration and scalability of the Arduino ecosystem, the board combines four state-of-the-art sensors from Bosch Sensortec: BHI260AP motion sensor system with integrated AI BMM150 magnetometer BMP390 pressure sensor BME688 4-in-1 gas sensor with AI and integrated high-linearity, as well as high-accuracy pressure, humidity and temperature sensors. Designed to easily...

NO2 Click

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Availability: Out of Stock
Item #: SEN-18955 -
Price: $171.07
Sparkfun

NO2 click is a very accurate nitrogen-dioxide gas sensor Click board™, equipped with the SPEC amperometric gas sensor which electrochemically reacts with the nitrogen-dioxide (NO2). It is supported...

NO2 click is a very accurate nitrogen-dioxide gas sensor Click board™, equipped with the SPEC amperometric gas sensor which electrochemically reacts with the nitrogen-dioxide (NO2). It is supported by the LMP91000, a high-precision integrated analog front-end IC (AFE), perfectly suited for use in electrochemical sensing applications. The Click board™ also provides the reference voltage required by the sensor and offers a choice between the analog output from the AFE IC buffered with the low...

Smoke Sensor - MQ-2

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Item #: SEN-17049 -
Price: $10.63
Sparkfun

The MQ-2 is a smoke and combustible gas sensor from Winsen. It can detect flammable gas in a range of 300 - 10000ppm. It's most common use is domestic gas leakage alarms and detectors with a high...

The MQ-2 is a smoke and combustible gas sensor from Winsen. It can detect flammable gas in a range of 300 - 10000ppm. It's most common use is domestic gas leakage alarms and detectors with a high sensitivity to propane and smoke. The sensing material is SNO₂ for which the conductivity is lower in clean environments and higher when smoke or flammable gas is present. A simple circuit makes measuring this change in conductivity and turning it into data fairly straight-forward, but does require...

SST Liquid Level Sensor

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Item #: SEN-13835 -
Price: $59.35
Sparkfun

The SST Liquid Level Sensor provides single point liquid detection via a TTL compatible push/pull output. This optical liquid level sensor features a miniature design that allows for installation in...

The SST Liquid Level Sensor provides single point liquid detection via a TTL compatible push/pull output. This optical liquid level sensor features a miniature design that allows for installation in areas where space is limited. Thanks to its minimal solid state design, this sensor has been built without moving or mechanical parts that can be jammed and stop working. An infra-red LED and phototransistor accurately positioned at the base of the sensing tip ensure good optical coupling between...