Environmental (temperature, humidity, air quality)

SKU: DF-SEN0659 | Brand: DFRobot

This industrial CO2 probe is built for reliable carbon dioxide monitoring in environments such as indoor air quality systems, pipelines, greenhouses and fresh air systems. It uses NDIR sensing to measure CO2 from 400 ...

SKU: DF-SEN0657 | Brand: DFRobot

This all-in-one weather station sensor brings seven key environmental measurements into a single outdoor unit: wind speed and direction, temperature, humidity, atmospheric pressure, light intensity and rainfall.It use...

SKU: DF-SEN0658 | Brand: DFRobot

Bring multiple environmental measurements into one rugged field sensor for Arduino, IoT and monitoring projects. This 9-in-1 unit measures ultrasonic wind speed and direction, air temperature, relative humidity, atmos...

SKU: SF-SEN-17059 | Brand: SparkFun

This PT100 is a platinum RTD (Resistance Temperature Detector) for accurate temperature sensing. It has a nominal resistance of 100Ω at 0°C, with resistance changing as temperature changes.It is suitable for applicati...

SKU: SF-SEN-28869 | Brand: SparkFun

This anemometer measures wind speed using rotating cups that turn an enclosed magnet. On each rotation, the magnet closes a reed switch, producing a simple pulse output that can be counted by your electronics.The outp...

SKU: SF-SEN-28867 | Brand: SparkFun

This rain gauge measures rainfall using a self-emptying bucket-type mechanism. Each time enough rain is collected, it triggers a momentary button closure that can be read by your electronics project.The switch closure...

SKU: SF-SEN-29758 | Brand: SparkFun

This surface-mount air velocity module uses a MEMS thermopile-based sensor to measure airflow in compact electronic assemblies. It is designed for low-profile enclosures where board space and height are limited.The FS...

SKU: SF-COM-21506 | Brand: SparkFun

The ZMOD4450 is a compact gas sensor module for detecting gases associated with food ripening or rotting. It is intended for refrigeration air quality (RAQ) applications such as food storage and shipping, including hu...

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: 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: EC-SSE01209P | Brand: Elecrow

This is a high-precision temperature control module, it can not only show the temperature, but also according to the current temperature of the relay control, it can control some of the power equipment through the ...

SKU: AF-4816 | Brand: Adafruit

The BMP390 from Bosch (also known as BMP390L) is a high-precision barometric pressure and temperature sensor, offering the best altitude accuracy in the Bosch pressure sensor lineup. With relative accuracy of ±3 Pasca...

SKU: AF-1893 | Brand: Adafruit

The MPL3115A2 is a precision barometric pressure, altitude, and temperature sensor from NXP (formerly Freescale) that communicates over I2C. With 1.5 Pa resolution, it can resolve altitude changes as small as 0.3 m an...

SKU: DF-SEN0377 | Brand: DFRobot

This is a 3.3/5V compatible MEMS gas concentration sensor from DFRobot.  This sensor supports the detection of various gas concentrations like CO, C2H5OH (Alcohol), H2, NO2, NH3, and integrates various gas c...

SKU: EC-SES90101S | Brand: Elecrow

The MQ-9 is an analog gas sensor module with high sensitivity to carbon monoxide (CO), methane, propane, and LPG. It uses an SnO2 sensing element that changes conductivity in the presence of target gases, making it su...

SKU: LB-LS4690-50CM | Brand: Little Bird

A waterproof DS18B20 digital temperature probe with a 0.5m cable and XH2.54mm connector. Ideal for monitoring temperatures in wet or harsh environments including aquariums, hydroponics, brewing, and outdoor weather st...

SKU: SB-21819 | Brand: Little Bird

The Pico Air Monitoring Expansion is a HAT for Raspberry Pi Pico that measures suspended particulate matter (PM1.0, PM2.5, and PM10) in the air. It uses a PMSA003 digital laser dust sensor and includes an onboard 0.91...

SKU: PR-PIM635 | Brand: Little Bird

The Pico Enviro+ Pack is a compact environmental monitoring add-on for the Raspberry Pi Pico and Pico W. Measuring just 61.5 × 31.5 mm, it packs a weather and gas sensor, light sensor, microphone, a 1.54" colour LCD, ...

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-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...