Environmental (temperature, humidity, air quality)

SKU: DF-DFR0024 | Brand: DFRobot

While there are many types of temperature sensors available in the market, the DS18B20 arduino Temperature Sensor form DALLAS is the best choice in applications which require high accuracy and high reliability. It...

SKU: DF-DFR0023 | Brand: DFRobot

This is an Arduino Temperature Sensor based on LM35 temperature chip. A Temperature Sensor can be used to detect ambient air temperature.The LM35 chip is produced by National Semiconductor Corporation and offers a fun...

SKU: DF-DFR0067 | Brand: DFRobot

This Gravity-compatible DHT11 sensor provides calibrated digital temperature and humidity readings via a single data pin. With an integrated 8-bit microcontroller and factory-calibrated coefficients stored in OTP memo...

SKU: DF-SEN0566 | Brand: DFRobot

Fermion: MEMS Volatile Organic Compounds VOC Gas Sensor employs state-of-the-art microelectromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (<20mA...

SKU: AF-5181 | Brand: Adafruit

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 A...

SKU: DF-SEN0497 | Brand: DFRobot

The DHT20 temperature & humidity sensor is the newly upgraded version of the DHT11. Data accuracy, stability, response speed, measurement range are greatly improved up. DHT20 is a brand new ASIC dedicated chip, an imp...

SKU: AF-3245 | Brand: Adafruit

Thermocouples are best used for measuring temperatures that can go above 100°C. This is a bare wires stainless-steel tip probe which can measure air or surface temperatures. Most inexpensive thermocouples have a vi...

SKU: DF-SEN0219 | Brand: DFRobot

The concentration of carbon dioxide (0.03% usuallly) is related to daily life. Recently, there's a study showing that the atmospheric CO2 content has reached 0.0385% (385 ppm) which is the highest value since 2.1 ...

SKU: AF-2857 | Brand: Adafruit

The Adafruit Sensirion SHT31-D is a high-accuracy temperature and humidity sensor with a true I2C interface and PTFE filter for protection against dust and contaminants. Part of Sensirion's third-generation SHT sensor...

SKU: LB-LS4968 | Brand: Little Bird

MQ-2 Gas Sensor - Smoke & Flammable Gas Detector The MQ-2 is a reliable, easy-to-use gas sensor that’s ideal for detecting flammable gases like LPG, methane, propane, and even smoke. At its core is tin dioxide (SnO₂...

SKU: DF-SEN0629 | Brand: DFRobot

&nbsp; The BME688 AI Environmental Sensor is a highly advanced MEMS sensor that combines temperature, humidity, barometric pressure, and VOC detection in a single, compact package. Featuring ±0.5°C temperature accurac...

SKU: SF-KIT-22636 | Brand: SparkFun

Building a weather station can be rewarding whether you're an agriculturalist, professional meteorologist, or weather hobbyist. Create your own weather station effortlessly using SparkFun's Arduino IoT Weather Stat...

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: DF-SEN0500 | Brand: DFRobot

This compact multifunctional environmental sensor combines four professional sensor chips into a single breakout board: SHTC3 (temperature and humidity), BMP280 (barometric pressure), VEML7700 (ambient light), and ML8...

SKU: DF-SEN0428 | Brand: DFRobot

The SHT4X is the 4th generation digital temperature and humidity sensor from Sensirion. In line with Sensirion’s industry-proven humidity and temperature sensors, the SHT40 offers consistent high accuracy within measu...

SKU: EC-ARS03218S | Brand: Elecrow

The board is designed for beginners in Arduino, with various components available that makes you build more than 10 projects easily. You won’t have to solder or connect anything at all, just plug it in a shield and st...

SKU: SF-SEN-15440 | Brand: SparkFun

The BME280 Atmospheric Sensor Breakout measures barometric pressure, relative humidity, and temperature from a single compact board. With both Qwiic (I2C) and 0.1″ header connections, it integrates easily into Arduino...

SKU: LB-LR0205 | Brand: Little Bird

An alcohol sensor module for Arduino with both digital (TTL) and analog output. It detects alcohol vapour in the 10–1000 PPM range, with analog output voltage increasing proportionally with concentration. The module a...

SKU: DF-SEN0159 | Brand: DFRobot

The Gravity CO2 Gas Sensor uses an MG-811 electrochemical sensing element to detect carbon dioxide concentration in the air. The output voltage decreases as CO2 concentration increases, and an onboard potentiometer le...

SKU: SF-SEN-13715 | Brand: SparkFun

This is a stainless steel, Type-K Thermocouple probe. A thermocouple works by taking two wires made of dissimilar metals, connecting them at the two ends, and making a temperature gradient between one end and the othe...