Humidity Sensors
Humidity and moisture sensors — relative humidity (SHT31, SHT40, DHT22, etc.), soil moisture sensors, and combined temperature/humidity breakouts.
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
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