Humidity Sensors
Humidity and moisture sensors — relative humidity (SHT31, SHT40, DHT22, etc.), soil moisture sensors, and combined temperature/humidity breakouts.
MTH02 Digital Temperature Humidity Sensor
SKU: EC-SEM02001S | Brand: Elecrow
Japan's Hokuriku resistive humidity sensor production as a Temperature & Humidity sensor.Application Idea Test and testing equipment; Automatic control; Weather station; Humidity regulator; Features Measure the relati...
Delivered by Wed 26 Aug
BME680 Environmental Sensor Module
SKU: DF-SEN0375 | Brand: DFRobot
BME680 is a 4-in-1 multi-functional MEMS environmental sensor which integrates VOC (Volatile Organic Compounds) sensor, temperature sensor, humidity sensor and barometer. It is designed for air quality monitor, and du...
Delivered by Wed 12 Aug
CO₂ Humidity and Temperature Sensor - SCD30
SKU: SF-SEN-15112 | Brand: 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 has temperature an...
Delivered by Fri 21 Aug
STCC4 + SHT41 CO2, Temperature & Humidity Sensor
SKU: AF-6478 | Brand: Adafruit
This compact breakout combines the STCC4 CO2 sensor with a Sensirion SHT41 temperature and humidity sensor for convenient indoor air monitoring. The STCC4 measures true CO2 using a thermal conductivity method rather t...
Delivered by Thu 3 Sep
Indoor Air Quality Combo Sensor - SCD41/SEN55 (Qwiic)
SKU: SF-SEN-25200 | Brand: SparkFun
Build a detailed indoor air monitor with this Qwiic combo board, pairing Sensirion’s SCD41 CO2 sensor with the SEN55 environmental sensor node. Together they measure CO2, volatile organic compounds (VOCs), particulate...
Delivered by Fri 21 Aug
Gravity: STCC4 True Carbon Dioxide (CO2) Sensor (3-in-1 Air Quality Monitoring, 400 ~ 5000ppm)
SKU: DF-SEN0678 | Brand: DFRobot
This Gravity air quality module uses Sensirion’s STCC4 gas sensing chip to directly measure carbon dioxide with the thermal conductivity measurement principle. It is designed for compact, cost-effective indoor monitor...
Delivered by Wed 12 Aug
AgXRP DIY Pump & Soil Moisture Sensor Expansion Pack - Beta
SKU: SF-KIT-30715 | Brand: SparkFun
Add another controlled planting area to an existing AgXRP Starter Kit with this DIY expansion pack. It is designed to create a completely independent watering zone, so students can compare plant types, watering schedu...
Delivered by Fri 21 Aug
Qwiic Soil Moisture Sensor
SKU: SF-SEN-24409 | Brand: SparkFun
This compact breakout board measures moisture in soil and similar materials using two large exposed pads as conductivity probes. As the soil gets wetter, conductivity between the pads increases, resistance drops, and ...
Delivered by Fri 21 Aug