All Products

SKU: FT-HUMID

Measure temperature and relative humidity with this simple, Arduino-compatible sensor module based on the DHT22. With just three connections (GND, power, and data), you can read both temperature and humidity from a single I/O pin on your microcontroller. An Arduino library is available to make in...

SKU: DF-SEN0546

This I2C digital temperature & humidity sensor offers high accuracy of ±3.0RH% for humidity and ±0.5°C for temperature and features a user-programmable humidity & temperature alarm function.Its housing is made of 304 stainless steel to ensure good impact resistance, heat resistance, low temperatu...

SKU: DF-SEN0137

DHT22 capacitive humidity sensing digital temperature and humidity module is one that contains the compound has been calibrated digital signal output of the temperature and humidity sensors. Application of a dedicated digital modules collection technology and the temperature and humidity sensing...

SKU: PI-COM1700

The AM2320 is a digital temperature and humidity sensor with an I2C interface. Its straightforward I2C communication makes it easy to connect to any Raspberry Pi or Arduino, and it works alongside other I2C sensors and devices on the same bus. A great option for environmental monitoring projects...

SKU: AF-3515

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 a reliable and affordable choice for environmental monitoring projects. This b...

SKU: AF-3721

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 communication, it's easy to integrate with any Arduino, Raspberry Pi, or CircuitPyth...

SKU: AF-4832

The Adafruit HTU31 is a third-generation I²C temperature and humidity sensor from TE, offering improved accuracy and useful extras over its predecessor, the HTU21D. With typical humidity accuracy of ±2% (at 20–100% RH, 0–70°C) and temperature accuracy of ±0.2°C (0–100°C), it delivers reliable env...

SKU: DF-SEN0233

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 electrochemical probe for formaldehyde detection, and an integrated sensor for temperature and...

SKU: SF-SEN-12064

The HTU21D 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 a weather stations or humidor control systems. All you need is two lines for I2C communication and you’ll have relative ...

SKU: EC-CRT13450K

When we want to get up early every morning to understand the weather conditions outside, or we want to DIY a weather station. What is more we want to be able to build a smart home product of the initial model, this ESP8266 IOT Weather Station Kit is based on esp8266 wifi function to achieve remot...

SKU: DF-SEN0678 · MPN: SEN0678

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 monitoring nodes where stable CO₂ readings are needed without complex hardware integrat...

SKU: AF-3251

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 temperature accuracy from −10 to +85 °C, all communicated over a simple I2C interface. ...

SKU: EC-SEM02001S

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 relative temperature and humidity sensor (humidity range 18% - 98% temperature range -...

SKU: SF-SEN-23715 · MPN: SEN-23715

The SEN55 environmental node is a straightforward, all-in-one sensor solution platform for the accurate measurement of various environmental parameters, such as particulate matter, volatile organic compounds (VOCs), oxidizing gases, such as nitrogen oxides (NOx), as well as humidity & temperature...

SKU: DF-SEN0335

Build up a simple environmental monitor station with this multi-function environment sensor! Based on the combination of CCS811+BME280 chip, this module features high accuracy, I2C interface, and fast Measurement. The BME280 can provide temperature and humidity compensation for CCS811 to impro...

SKU: SF-SEN-21262

The SparkFun STTS22H is a Qwiic-enabled temperature sensor breakout based on ST Microelectronics' ultralow-power, high-accuracy digital temperature sensor. Factory calibrated to ±0.5°C accuracy without any application-level calibration needed, it's ideal for precision temperature monitoring. The...

SKU: SF-SEN-22395

The SparkFun SCD40 breakout board measures CO₂ concentration, humidity, and temperature using Sensirion's PASens photoacoustic measurement technology. The sensor detects CO₂ from 0 to 40,000 ppm with high accuracy over the 400–2,000 ppm range, and includes an integrated CMOSens temperature and hu...

SKU: AF-3606

The Mongoose OS Google IoT Core Pack is a complete starter kit for building IoT projects with Google Cloud, built around the Adafruit Feather HUZZAH32 (ESP32). Developed in collaboration with Google and Mongoose OS, this kit includes a pre-soldered ESP32 Feather board along with sensors, actuator...

SKU: AF-6478 · MPN: ADA6478

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 than estimating from VOCs, and the onboard SHT41 helps improve the CO2 measuremen...

SKU: AF-5181

The AM2301B is an affordable enclosed temperature and humidity sensor featuring an I2C interface — a modern upgrade over the classic DHT22/AM2302 sensors that required bit-bang timing protocols. Inside is the proven AHT20 sensor, delivering reliable readings over standard I2C with support for 2.5...