Temperature Sensors

SKU: AF-4885 | Brand: Adafruit

The Adafruit Sensirion SHT40 is a high-accuracy temperature and humidity sensor featuring a true I2C interface for simple two-wire communication. Part of the fourth generation of Sensirion's acclaimed SHT sensor famil...

SKU: AF-5183 | Brand: Adafruit

The DHT20 is a nice but inexpensive temperature and humidity sensor from the same folks that brought us the DHT22.This little sensor looks an awful lot like the popular DHT11/DHT22 temperature and humidity s...

SKU: AF-5190 | Brand: Adafruit

The Adafruit SCD-41 is a photoacoustic true CO2 sensor that directly measures carbon dioxide concentration in ambient air with a wide measurement range of 400 to 5,000 ppm. It also includes integrated temperature and ...

SKU: AF-4867 | Brand: Adafruit

The Adafruit SCD-30 is a true NDIR (Non-Dispersive Infrared) CO2 sensor that directly measures carbon dioxide concentration in ambient air, rather than estimating it from volatile organic compounds. With an integrated...

SKU: AF-5064 | Brand: Adafruit

The SHT30-D sensor has an excellent ±2% relative humidity and ±0.5°C accuracy for most uses. Unlike earlier SHT sensors, this sensor has a true I2C interface.The enclosed box is a Sensiron SHT-30 digita...

SKU: AF-5665 | 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. This version does not include a PTFE membr...

SKU: AF-5027 | Brand: Adafruit

The Adafruit MCP9808 is a high-accuracy digital temperature sensor with ±0.25°C typical accuracy over its −40°C to +125°C range and 0.0625°C resolution. It communicates over standard I2C and runs on 2.7V to 5.5V power...

SKU: AF-4808 | Brand: Adafruit

The Adafruit EMC2101 breakout is an I2C fan controller and temperature sensor that makes it easy to integrate 3-pin or 4-pin PC fans into your projects. The Microchip/SMSC EMC2101 handles PWM speed control and tachome...

SKU: AF-4832 | Brand: Adafruit

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...

SKU: AF-4566 | Brand: Adafruit

The Adafruit AHT20 is an affordable I2C temperature and humidity sensor from the makers of the popular DHT22. It delivers reliable readings with standard I2C communication, making it easy to use with any Arduino, Rasp...

SKU: AF-4535 | Brand: Adafruit

The Adafruit HTS221 is an affordable I²C/SPI temperature and humidity sensor breakout board from ST. It measures relative humidity from 0–100% RH with 3.5% accuracy (in the 20–80% range) and temperature from -40 to 12...

SKU: AF-4369 | Brand: Adafruit

The Adafruit PCT2075 Temperature Sensor is a precise, affordable I2C temperature sensor and a drop-in replacement for the classic LM75. With an 11-bit ADC (compared to the LM75's 9-bit), it delivers finer temperature ...

SKU: AF-3515 | 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-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-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: 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-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...