Environmental (temperature, humidity, air quality)

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: M5-U053 | Brand: Little Bird

Description Hat ENV It is able to detect the temperature, humidity, air pressure and magnetic field. This product relates via I2C protocol which allows you to obtain 4 types of environment data thru just 2pins...

SKU: M5-K023 | Brand: Little Bird

The PM2.5 Air Quality Kit combines a PMSA003 laser particulate sensor with an SHT20 temperature and humidity sensor in a single M5Stack-compatible module. It measures ambient particulate concentration, temperature, an...

SKU: EF-EF04024 | Brand: ElecFreaks

This is a Rain/steam sensor from ElecFreaks. This steam sensor can be connected to the Arduino IO Expansion shield directly. The output voltage will increase when the humidity of the sensor surface goes up.You even co...

SKU: FT-HUMID | Brand: Freetronics

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 si...

SKU: AF-372 | Brand: Adafruit

An epoxy-coated precision NTC thermistor with a 10kΩ resistance at 25°C and ±1% accuracy. The resistance decreases as temperature rises and increases as it cools, making it straightforward to measure temperature with ...

SKU: DF-SEN0467 | Brand: DFRobot

This is a sensor that detects hydrogen sulfide concentration and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentra...

SKU: DF-SEN0570 | Brand: DFRobot

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

SKU: DF-SEN0571 | Brand: DFRobot

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

SKU: DF-SEN0567 | Brand: DFRobot

Fermion: MEMS Ammonia NH3 Gas Detection Sensor employs state-of-the-art micro-electromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (<20mA), minim...

SKU: DF-SEN0465 | Brand: DFRobot

This is a sensor that detects oxygen concentration and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentration of ox...

SKU: DF-SEN0470 | Brand: DFRobot

A factory-calibrated electrochemical sulfur dioxide (SO2) sensor with I2C, UART, and analogue output modes. Part of the DFRobot Gravity gas sensor series, this module quickly and accurately measures SO2 concentration ...

SKU: DF-SEN0330 | Brand: DFRobot

This Digital Temperature & Humidity Sensor Breakout Board is based upon the Sensirion SHT30 sensor IC. Thanks to Sensirion’s CMOSens® technology, highly integrated capacitive humidity sensing components and band-gap t...

SKU: DF-SEN0333 | Brand: DFRobot

A high-accuracy digital temperature and humidity sensor breakout board based on the Sensirion SHT35 sensor IC. Using Sensirion's CMOSens technology, the SHT35 delivers excellent long-term stability, low power consumpt...

SKU: DF-SEN0456 | Brand: DFRobot

This is a Arduino compatible pressure sensor module with a measuring range of 15-700kPa, which supports I2C digital output and can be calibrated according to known pressure values and allows fast and accurate measurem...

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: SF-SEN-18345 | Brand: SparkFun

The SparkFun SGP40 Air Quality Sensor measures volatile organic compound (VOC) levels in indoor environments using Sensirion's CMOSens technology. The metal oxide (MOx) sensor with a temperature-controlled micro hotpl...

SKU: DF-SEN0438 | Brand: DFRobot

This industrial-grade RS485 temperature and humidity sensor features a high-precision digital transducer in a rugged aluminium alloy housing. With a wide measurement range and Modbus RTU communication, it's designed f...

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: DF-SEN0130 | Brand: DFRobot

The Gravity MQ5 gas sensor is highly sensitive to LPG, natural gas, and town gas, with lower sensitivity to alcohol, cooking fumes, and cigarette smoke. The analogue output is proportional to gas concentration, and se...