Humidity Sensors

SKU: AF-3721 | Brand: Adafruit

The AM2320 is a low-cost digital temperature and humidity sensor with an I2C interface — a simpler alternative to the classic DHT11/DHT22 sensors that require timing-critical bit-bang protocols. With standard I2C comm...

SKU: DF-SEN0233 | Brand: DFRobot

A multifunction air quality monitor that measures particulate matter (PM2.5), formaldehyde concentration, temperature, and humidity. It uses laser scattering to detect suspended particles in the air, an electrochemica...

SKU: DF-DFR0512 | Brand: DFRobot

The MXChip Azure IoT Developer Kit is an Arduino-compatible development board designed for building cloud-connected IoT applications with Microsoft Azure. It features an STM32F412 ARM Cortex-M4F microcontroller, built...

SKU: DF-SEN0148 | Brand: DFRobot

This is an anti-rust, robust and precise SHT10 sensor, which can master enterprise-class and industrial-level applications. It can be applied in various fields: telepoint base stations, electronic control cabinet, pr...

SKU: AF-3251 | Brand: Adafruit

The Adafruit Si7021 is a temperature and humidity sensor from Silicon Labs with a PTFE filter for protection against dust and contaminants. It provides ±3% relative humidity accuracy over 0–80% RH and ±0.4 °C temperat...

SKU: AF-1899 | Brand: Adafruit

The Adafruit HTU21D-F is an accurate I²C digital temperature and humidity sensor breakout board. With typical humidity accuracy of ±2% (optimised for 5–95% RH) and temperature accuracy of ±1°C across -30 to 90°C, it's...

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...

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...

SKU: SF-SEN-30480 | Brand: SparkFun

This capacitive soil moisture breakout is designed for plant monitoring projects where exposed metal probes can corrode after time in the dirt. It measures moisture using a capacitive plate embedded in the board, mana...

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...

SKU: LB-DHT11-SENSOR | Brand: Little Bird

The Little Bird DHT11 Temperature and Humidity Sensor Module provides calibrated digital temperature and humidity readings from a single sensor. Designed and made in Sydney, Australia, it requires no extra components ...

SKU: LB-LR0102 | Brand: Little Bird

The DHT22 (also known in Australia by RHT03) is a low cost humidity and temperature sensor with a single wire digital interface. The sensor comes pre-calibrated and in a breadboard compatible module form so you don...

SKU: AF-5776 | Brand: Adafruit

The Adafruit Sensirion SHT41 is a high-accuracy temperature and humidity sensor with a true I2C interface, part of Sensirion's fourth-generation SHT4x family. Compared to the SHT40, the SHT41 offers significantly bett...

SKU: SF-SEN-13905 | Brand: SparkFun

The SparkFun BME280 Atmospheric Sensor Breakout measures barometric pressure, relative humidity, and temperature in a compact package. This version comes with headers pre-soldered for easy breadboard use or direct wir...

SKU: AF-5187 | Brand: Adafruit

The Adafruit SCD-40 is a photoacoustic true CO2 sensor that directly measures carbon dioxide concentration in ambient air, rather than estimating it from volatile organic compounds. It also includes integrated tempera...

SKU: AF-4636 | Brand: Adafruit

The Adafruit Sensirion SHTC3 is a compact temperature and humidity sensor with a true I2C interface, offering ±2% relative humidity and ±0.2 °C temperature accuracy. It's a cost-effective option from Sensirion's range...

SKU: AF-6174 | Brand: Adafruit

The Adafruit Sensirion SHT45 is the highest-accuracy sensor in the SHT4x family, delivering ±1.0% typical relative humidity accuracy and ±0.1 °C typical temperature accuracy. Featuring a PTFE membrane for protection a...

SKU: AF-5989 | Brand: Adafruit

The Adafruit HDC3021 is a high-precision I²C temperature and humidity sensor breakout featuring the TI HDC302x series chip. With typical humidity accuracy of ±0.5% RH (and just 0.19% long-term drift) and temperature a...

SKU: AF-4881 | Brand: Adafruit

Here is a jolly cute, palm-sized, Bluetooth-enabled sensor to monitor your room's temperature and humidity. Only 43mm x 43mm, we dig its small form factor and minimal design. The shell is made of durable ABS&nbsp...

SKU: AF-4099 | Brand: Adafruit

Take your next outdoor sensor project to the next level with this SHT-30 based temperature/humidity sensor. The sensor includes a dual-use sensor module from Sensiron in a sintered metal mesh encasing. The casing is w...