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-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...
Special Order
Shipping from $4.90
+31 more from our supplier in 7-10 days
Code: SKU-005247
The SCD30 from Sensirion is a high quality NDIR based CO₂ sensor capable of detecting 400 to 10000ppm with an accuracy of ±(30ppm+3%). More Details...
Special Order
Shipping from $9.90
+3 more from our supplier in 7-10 days
Code: SKU-007413
The 6-Channel Temperature Monitor can measure temperatures from as low as −240°C up to +850°C (real-world limits greatly depend on the sensors being used). More Details...
Special Order
Shipping from $9.90
+23 more from our supplier in 7-10 days
Code: SKU-007644
The DHT20 is a low cost humidity and temperature sensor with a I2C digital output protocol. More Details...
Special Order
Shipping from $4.90
+19 more from our supplier in 7-10 days
Code: SKU-008108
The SEN54 measures particulate matter, VOC, humidity, and temperature in a single package. More Details...
Special Order
Shipping from $9.90
+46 more from our supplier in 7-10 days
Code: SKU-011175
The rain gauge, as you may have guessed, measures rainfall. The rain gauge is a self-emptying bucket-type rain gauge which activates a momentary button closure for each 0.011" (0.2794mm) of rain that are collected. More Details...
Special Order
Shipping from $9.90
+111 more from our supplier in 7-10 days
Code: SKU-010217
The SEN55 environmental node is a straightforward, all-in-one sensor solution platform for the accurate measurement of various environmental parameters. More Details...
Not currently available
Code: SEN-10050
*must enable oversampling to achieve advertised accuracy github repo w/ example code: https://github.com/sparkfun/MPL3115A2_Breakout More Details...
Special Order
Shipping from $4.90
+227 more from our supplier in 7-10 days
Code: SKU-002184
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. More Details...
Special Order
Shipping from $4.90
+138 more from our supplier in 7-10 days
Code: SKU-008634
The SparkFun BME280 Atmospheric Sensor Breakout with Headers is the easy way to measure barometric pressure, humidity, and temperature readings. More Details...
Special Order
Shipping from $4.90
+1 more from our supplier in 7-10 days
Brands