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CO2 Humidity and Temperature Sensor - SCD30

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Item #: SEN-15112 -
Price: $147.25
Sparkfun

The SCD30 from Sensirion is a high quality Nondispersive Infrared (NDIR) based CO₂ sensor capable of detecting 400 to 10000ppm with an accuracy of ±(30ppm+3%). In order to improve accuracy the SCD30...

The SCD30 from Sensirion is a high quality Nondispersive Infrared (NDIR) based CO₂ sensor capable of detecting 400 to 10000ppm with an accuracy of ±(30ppm+3%). In order to improve accuracy the SCD30 has temperature and humidity sensing built-in, as well as commands to set the current altitude. For additional accuracy the SCD30 also accepts ambient pressure readings! We've written an Arduino library to make reading the CO₂, humidity, and temperature very easy. It can be downloaded through the...

Humidity and Temperature Sensor - DHT20

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Item #: SEN-18364 -
Price: $12.36
Sparkfun

The DHT20 is a low cost humidity and temperature sensor with a I2C digital output protocol. It can be applied to HVAC, dehumidifier, automatic control, data loggers, weather stations, and many other...

The DHT20 is a low cost humidity and temperature sensor with a I2C digital output protocol. It can be applied to HVAC, dehumidifier, automatic control, data loggers, weather stations, and many other projects. The sensor is calibrated and doesn't require extra components so you can get right to measuring relative humidity and temperature. Features: Supply Voltage: 2.2-5.5V Communication: Standard I2C Protocol Humidity from 0-100% RH Typical accuracy: RH: ±3%, T: ±0.5℃ -40 - 80 degrees C...

MIKROE Weather Click

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Item #: SEN-18823 -
Price: $54.28
Sparkfun

MIKROE Weather Click carries BME280 integrated environmental unit from Bosch. It’s a sensor that detects humidity, pressure, and temperature, specifically designed for low current consumption and...

MIKROE Weather Click carries BME280 integrated environmental unit from Bosch. It’s a sensor that detects humidity, pressure, and temperature, specifically designed for low current consumption and long-term stability. The click is designed to work on a 3.3V power supply. It communicates with the target microcontroller over SPI or I2C interface. The BME280 is as combined digital humidity, pressure and temperature sensor based on proven sensing principles. The BME280 IC has high accuracy and...

Particle, VOC, Humidity, and Temperature Sensor - SEN54

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Item #: SEN-19325 -
Price: $79.13
Sparkfun

The SEN54 sensor module from Sensirion combines the measurement of particulate matter, VOC, humidity, and temperature in a single package. The SEN54 sensors provide fully calibrated outputs with a...

The SEN54 sensor module from Sensirion combines the measurement of particulate matter, VOC, humidity, and temperature in a single package. The SEN54 sensors provide fully calibrated outputs with a digital interface, a strong lifetime under 24 h/day operation, and a compact form factor. The combination of all measurement parameters in a single device allows users to reduce design and integration efforts, shorten development times and simplify supply chain. Additionally, the included Sensirion...

Particulate Matter Sensor - SPS30

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Item #: SEN-15103 -
Price: $100.27
Sparkfun

The Sensirion Particulate Matter Sensor SPS30 is a compact, high quality, optical particle sensor that uses laser scattering and Sensirion's innovative contamination resistance technology to achieve...

The Sensirion Particulate Matter Sensor SPS30 is a compact, high quality, optical particle sensor that uses laser scattering and Sensirion's innovative contamination resistance technology to achieve superior binning and particle measurement. This sensor allows users to measure mass concentration and number of particles of 1 µg/m^3, 2.5 µg/m^3, 4 µg/m^3, and 10 µg/m^3. The compact form factor, measuring just under 41mm x 41mm x 12mm, combined with a sensor lifetime over 8 years and a self...

Qwiic Pressure/Humidity/Temp (PHT) Sensor - MS8607

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Item #: SPX-16298 -
Price: $49.33
Sparkfun

The MS8607 from TE is an impressive combination pressure, humidity, temperature (PHT) sensor with accuracy of ±2mbar pressure, ±3% humidity, and ±1°C. Perfect for sensing general weather conditions...

The MS8607 from TE is an impressive combination pressure, humidity, temperature (PHT) sensor with accuracy of ±2mbar pressure, ±3% humidity, and ±1°C. Perfect for sensing general weather conditions the MS8607 really shines for high altitude, low pressure applications. Capable of sensing down to 10mbar, this pressure sensor separates itself from many other I2C pressure sensors like the BME280. The MS8607 is simple to use and gives the user some very powerful readings with very little power and...

SparkFun Atmospheric Sensor Breakout - BME280

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Item #: SEN-13676 -
Price: $37.29
Sparkfun

The SparkFun BME280 Atmospheric Sensor Breakout is the easy way to measure barometric pressure, humidity, and temperature readings all without taking up too much space. Basically, anything you need...

The SparkFun BME280 Atmospheric Sensor Breakout is the easy way to measure barometric pressure, humidity, and temperature readings all without taking up too much space. Basically, anything you need to know about atmospheric conditions you can find out from this tiny breakout. The BME280 Breakout has been design to be used in indoor/outdoor navigation, weather forecasting, home automation, and even personal health and wellness monitoring. The on-board BME280 sensor measures atmospheric pressure...

SparkFun Atmospheric Sensor Breakout - BME280 (Qwiic)

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Item #: SEN-15440 -
Price: $31.38
Sparkfun

The SparkFun BME280 Atmospheric Sensor Breakout is an easy way to measure barometric pressure, humidity, and temperature readings, all without taking up too much space. Basically, you can find out...

The SparkFun BME280 Atmospheric Sensor Breakout is an easy way to measure barometric pressure, humidity, and temperature readings, all without taking up too much space. Basically, you can find out anything you need to know about atmospheric conditions from this tiny breakout. The BME280 Breakout has been designed to be used in indoor/outdoor navigation, weather forecasting, home automation, and even personal health and wellness monitoring. Utilizing our handy Qwiic system, no soldering is...

SparkFun Atmospheric Sensor Breakout - BME280 (with Headers)

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Item #: SEN-13905 -
Price: $39.88
Sparkfun

The SparkFun BME280 Atmospheric Sensor Breakout with Headers is the easy way to measure barometric pressure, humidity, and temperature readings all without taking up too much space. Basically,...

The SparkFun BME280 Atmospheric Sensor Breakout with Headers is the easy way to measure barometric pressure, humidity, and temperature readings all without taking up too much space. Basically, anything you need to know about atmospheric conditions you can find out from this tiny breakout. The BME280 Breakout has been designed to be used in indoor/outdoor navigation, weather forecasting, home automation, and even personal health and wellness monitoring. The on-board BME280 sensor measures...

SparkFun Environmental Combo Breakout - CCS811/BME280 (Qwiic)

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Availability: Out of Stock
Item #: SEN-14348 -
Price: $76.16
Sparkfun

The SparkFun CCS811/BME280 Environmental Combo Breakout takes care of all your atmospheric-quality sensing needs with the popular CCS811 and BME280 ICs. This unique breakout provides a variety of...

The SparkFun CCS811/BME280 Environmental Combo Breakout takes care of all your atmospheric-quality sensing needs with the popular CCS811 and BME280 ICs. This unique breakout provides a variety of environmental data, including barometric pressure, humidity, temperature, TVOCs and equivalent CO2 (or eCO2) levels. To make it even easier to use this breakout, all communication is enacted exclusively via I2C, utilizing our handy Qwiic system. However, we still have broken out 0.1" spaced pins in...

SparkFun Environmental Sensor - BME688 (Qwiic)

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Item #: SEN-19096 -
Price: $59.35
Sparkfun

The SparkFun BME688 Environmental Sensor is a breakout that combines a gas scanning sensor with temperature, humidity, and barometric pressure sensing for a complete environmental sensor in a single...

The SparkFun BME688 Environmental Sensor is a breakout that combines a gas scanning sensor with temperature, humidity, and barometric pressure sensing for a complete environmental sensor in a single package. The gas sensor on the BME688 can detect a wide variety of volatile organic compounds (VOCs), volatile sulfur compounds (VSCs), and other gases such as carbon monoxide and hydrogen in the part per billion (ppb) range. Combine that with precise temperature, humidity, and barometric pressure...

SparkFun Environmental Sensor Breakout - BME680 (Qwiic)

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Item #: SEN-16466 -
Price: $42.80
Sparkfun

The SparkFun BME680 Environmental Sensor is a breakout that combines a gas sensor with temperature, humidity and barometric pressure sensing for a complete environmental sensor in a single package....

The SparkFun BME680 Environmental Sensor is a breakout that combines a gas sensor with temperature, humidity and barometric pressure sensing for a complete environmental sensor in a single package. The gas sensor on the BME680 can detect a wide variety of volatile organic compounds (or VOC for short) to monitor indoor air quality. Combine that with precise temperature, humidity, and barometric pressure and the BME680 can work as a completely standalone environmental sensor all in a 1in. x 1in....

SparkFun gator:environment - micro:bit Accessory Board

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Item #: SEN-15269 -
Price: $43.40
Sparkfun

The SparkFun gator:environment micro:bit Accessory Board utilizes the popular CCS811 and BME280 ICs to take care of all of your environmental readings of atmospheric quality. This sensor board can...

The SparkFun gator:environment micro:bit Accessory Board utilizes the popular CCS811 and BME280 ICs to take care of all of your environmental readings of atmospheric quality. This sensor board can provide a variety of environmental data, including barometric pressure, humidity, temperature, equivalent TVOCs and equivalent CO2 (or eCO2) levels. The gator:environment connects to the SparkFun gator:bit via alligator-clip cables, allowing for easy access to the micro:bit's I2C pins. The CCS811 is...

SparkFun Humidity and Temperature Sensor Breakout - HIH6130

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Item #: SEN-11295 -
Price: $54.07
Sparkfun

It's not the heat but the humidity that gets you, at least that's what they say. Really, both are important, what you need is a sensor that combines humidity and temperature readings. How about this...

It's not the heat but the humidity that gets you, at least that's what they say. Really, both are important, what you need is a sensor that combines humidity and temperature readings. How about this Honeywell HumidIcon Digital Humidity/Temperature Sensor? The HIH6130 is a digital output-type relative humidity (RH) and temperature sensor combined in the same package. This allows the RH measurement to be temperature compensated and provides a second, standalone temperature sensor output. This...

SparkFun Humidity and Temperature Sensor Breakout - Si7021

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Item #: SEN-13763 -
Price: $17.11
Sparkfun

The Si7021 is a low-cost, easy-to-use, highly accurate, digital humidity and temperature sensor. This sensor is ideal for environmental sensing and data logging and perfect for build a weather...

The Si7021 is a low-cost, easy-to-use, highly accurate, digital humidity and temperature sensor. This sensor is ideal for environmental sensing and data logging and perfect for build a weather stations or humidor control system. All you need are two lines for I2C communication, and you’ll have relative humidity readings and very accurate temperature readings as a bonus! There are only four pins that need to be hooked up in order to start using this sensor in a project. One for VCC, one for...

SparkFun Humidity Sensor Breakout - HIH-4030

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Availability: Stocked
Item #: SEN-09569 -
Price: $34.21
Sparkfun

This is a breakout board for Honeywell's HIH-4030 humidity sensor. The HIH-4030 measures relative humidity (%RH) and delivers it as an analog output voltage. You can connect the output of the sensor...

This is a breakout board for Honeywell's HIH-4030 humidity sensor. The HIH-4030 measures relative humidity (%RH) and delivers it as an analog output voltage. You can connect the output of the sensor directly to an ADC on a microcontroller; and, thanks to the sensor's near linear voltage output, the data is very easy to process. Voltage applied to the supply pins should be within 4-5.8VDC, and optimally at 5V. The sensor will typically only consume about 200μA. This product comes as shown in...

SparkFun Humidity Sensor Breakout - SHTC3 (Qwiic)

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Item #: SEN-16467 -
Price: $20.83
Sparkfun

Looking to keep a log of the climate in your greenhouse, create a humidor control system or want to track temperature and humidity data for a weather station project? The SparkFun SHTC3 Humidity...

Looking to keep a log of the climate in your greenhouse, create a humidor control system or want to track temperature and humidity data for a weather station project? The SparkFun SHTC3 Humidity Sensor may be the perfect option for you! The SHTC3 is a low cost, easy-to-use, highly accurate digital humidity and temperature sensor. The SHTC3 communicates via I2C so, as you can tell by the name, we have broken out the pins on the sensor to Qwiic connectors so you can easily connect it to...

SparkFun Lightning Detector - AS3935

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Item #: SEN-15441 -
Price: $54.21
Sparkfun

The SparkFun Lightning Detector adds lightning detection to your next weather station to make sure you are aware of any potential hazardous weather heading your way. The AS3935 is capable of...

The SparkFun Lightning Detector adds lightning detection to your next weather station to make sure you are aware of any potential hazardous weather heading your way. The AS3935 is capable of detecting lightning up to 40km away with an accuracy of 1km to the storm front with a sensitive antenna tuned to pick up lightning events in the 500kHz band. There are a number of sources that can cause false positives but the lightning detector itself can reliably filter these out by default. If not,...

SparkFun MicroMod Environmental Function Board

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Item #: SEN-18632 -
Price: $297.20
Sparkfun

The SparkFun MicroMod Environmental Function Board adds additional sensing options to the MicroMod Processor Boards. This Function Board includes three sensors to monitor air quality (SGP40),...

The SparkFun MicroMod Environmental Function Board adds additional sensing options to the MicroMod Processor Boards. This Function Board includes three sensors to monitor air quality (SGP40), humidity & temperature (SHTC3), and CO2 concentrations (STC31) in your indoor environment. To make it even easier to use, all communication is over the MicroMod's I2C bus! The SGP40 measures the quality of the air in your room or house. The SGP40 uses a metal oxide (MOx) sensor with a temperature...

SparkFun MicroMod Weather Carrier Board

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Item #: SEN-16794 -
Price: $85.50
Sparkfun

The MicroMod Weather Carrier Board is a periphery for the MicroMod ecosystem that allows you to create your own weather station with one of a multitude of processors. The carrier board includes...

The MicroMod Weather Carrier Board is a periphery for the MicroMod ecosystem that allows you to create your own weather station with one of a multitude of processors. The carrier board includes three sensors: the BME280 temperature, pressure and humidity sensor, the VEML6075 UV sensor and the AS3935 Lightning detector. Along with these on-board sensors there is a 3-pin latch terminal to add an external soil moisture sensor as well as a pair RJ11 jacks to plug in the wind and rain sensors...

Weather Meter Kit

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Item #: SEN-15901 -
Price: $152.07
Sparkfun

Whether you're an agriculturalist, a professional meteorologist or a weather hobbyist, building your own weather station can be a really rewarding project. When you're measuring weather, however,...

Whether you're an agriculturalist, a professional meteorologist or a weather hobbyist, building your own weather station can be a really rewarding project. When you're measuring weather, however, you need some pretty specialized sensors. This kit represents the three core components of weather measurement: wind speed, wind direction and rainfall. None of the sensors in this kit contain active electronics, instead they use sealed magnetic reed switches and magnets so you'll need to source a...