Practical sensors and breakout boards for environmental sensing cover humidity, temperature, barometric pressure, air quality, and particulate measurements. They suit weather stations, greenhouse automation, indoor climate monitoring, and portable sensing in robotics and data logging projects. Multi‑sensor combinations provide several readings in one compact package, helping you build streamlined sensing systems for small robots or classroom demonstrations.
Interfaces are typically digital, with I2C or SPI common, and many parts ship on compact breakouts for straightforward integration. Look for reliability, quick response, and reasonable power use, along with compatibility with your preferred microcontroller or data‑logging platform. This range supports scalable sensing networks and real‑time environmental monitoring across a variety of applications.
Code: SKU-000598
The RHT03 (also known by DHT-22) is a low cost humidity and temperature sensor with a single wire digital interface. The sensor is calibrated and doesn’t require extra components so you can get right to measuring relative humidity and temperature. More Details...
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Code: SKU-007625
The SparkFun SGP40 Air Quality Sensor provides a measurement of the air quality in your room or house. More Details...
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Code: SKU-005708
The SparkFun BME280 Atmospheric Sensor Breakout is an easy way to measure barometric pressure, humidity, and temperature readings without taking up too much space. More Details...
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Code: SKU-002272
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. More Details...
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Code: SKU-006436
The SparkFun SHTC3 Humidity Sensor Breakout is a low cost, easy-to-use, highly accurate digital humidity and temperature sensor. More Details...
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Code: SKU-009640
The ENS160 is a digital multi-petrol sensor solution featuring four sensor elements, suitable for a wide range of air quality applications. More Details...
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Code: SKU-005709
The SparkFun Lightning Detector adds lightning detection to your next weather station to make sure you are aware of any bad weather heading your way. More Details...
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Code: SEN-10085
An easy-to-use soil moisture sensor with an ENIG finish for better corrosion resistance, outputting a simple analogue signal based on soil conductivity. More Details...
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Code: SKU-011132
Harness the power of the wind and measure speed with this simple anemometer! More Details...
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Code: SKU-000468
The MPL115A1 is a digital barometer that uses MEMs technology to give accurate pressure measurements between 50kPa and 115kPa. We stock the SPI interface version of the sensor. More Details...
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