Environmental (temperature, humidity, air quality)

SKU: DF-SEN0482 | Brand: DFRobot

The wind direction sensor is a professional meteorological instrument used to measure horizontal wind direction. It integrates a hall sensor inside. The shell and weather vane is made of aluminum alloy material and us...

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: SF-SEN-18364 | Brand: SparkFun

The DHT20 is a factory-calibrated digital humidity and temperature sensor with an I²C interface. An upgrade to the popular DHT11/DHT22 series, it provides reliable environmental measurements without requiring addition...

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: 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: 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: AF-3984 | Brand: Adafruit

For precision temperature sensing, nothing beats a Platinum RTD. Resistance temperature detectors (RTDs) are temperature sensors that contain a resistor that changes resistance value as its temperature changes, bas...

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...

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: AF-3290 | Brand: Adafruit

A platinum resistance temperature detector (RTD) with a 100 Ω resistance at 0°C, offering superior accuracy and long-term stability compared to thermocouples and thermistors. PT100 sensors are widely used in laborator...

SKU: LB-LS7682 | Brand: Little Bird

This spare outdoor unit set is designed for use with professional wireless weather stations, providing the essential sensors needed to accurately monitor local weather conditions. Ideal as a replacement set or for cus...

SKU: AF-5912 | Brand: Adafruit

The Adafruit SHT41 Trinkey is a tiny USB A device that combines an ATSAMD21 microcontroller with a Sensirion SHT41 temperature and humidity sensor. Simply plug it into any USB A port on your computer and start reading...

SKU: SF-SEN-22956 | Brand: SparkFun

The SparkFun Photoacoustic Spectroscopy CO2 Sensor features the Infineon XENSIV PAS CO2 (PASCO2V01) sensor, which delivers highly accurate CO2 measurements in direct parts-per-million (ppm) format. The photoacoustic s...

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...