Environmental (temperature, humidity, air quality)

SKU: SF-SEN-09570 | Brand: SparkFun

Melexis' MLX90614ESF-BAA is an infrared thermometer designed for non-contact temperature sensing. An internal 17-bit ADC and a powerful DSP contribute to the MLX90614’s high accuracy and resolution. It has a huge numb...

SKU: DF-SEN0514 | Brand: DFRobot

This Gravity: ENS160 Air Quality Sensor, based on ScioSense's new ENS160 sensor chip, is specifically designed for indoor air quality monitoring and offers detection of multiple IAQ data (TVOC, eCO2, AQI).The innovati...

SKU: AF-4375 | Brand: Adafruit

A simple I2C temperature sensor in a breadboard-friendly TO-220 package. The TC74A0 provides basic temperature readings with ±2°C accuracy — a straightforward choice when you need easy temperature logging or monitorin...

SKU: DF-SEN0372 | Brand: DFRobot

This is a breakout version of BMP280 Barometric Pressure Sensor from DFRobot with temperature and pressure measurement functions, supporting Arduino code control.Housed in an extremely compact package, the BMP280 is b...

SKU: TB-RN3444 | Brand: Little Bird

A 100 kΩ NTC (Negative Temperature Coefficient) thermistor in a radial dipped-epoxy package. These ceramic sensors change resistance rapidly with temperature, making them ideal for temperature measurement, compensatio...

SKU: SF-SEN-14348 | Brand: SparkFun

The SparkFun CCS811/BME280 Environmental Combo Breakout takes care of all your atmospheric-quality sensing needs with the popular CCS811 and BME280 ICs. This unique breakout provides a variety of environmental data, i...

SKU: DF-FIT0227 | Brand: DFRobot

The MQ7 is a simple-to-use Carbon Monoxide (CO) sensor suitable for detecting CO concentrations in the air. It offers a wide detection range from 20 to 2000 ppm, making it ideal for safety monitoring and air quality p...

SKU: SF-BOB-08891 | Brand: SparkFun

This breakout board provides a convenient PCB adapter for MQ-series gas sensors (MQ-3, MQ-4, MQ-6, MQ-7, and MQ-8). It converts the sensor's oversized, oddly-spaced pins into a standard breakout format that's easy to ...

SKU: AF-374 | Brand: Adafruit

These 1-wire digital temperature sensors are fairly precise (±0.5°C over much of the range) and can give up to 12 bits of precision from the onboard digital-to-analog converter. They work great with any microcontro...

SKU: AF-386 | Brand: Adafruit

The DHT11 is a basic, ultra low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin (no an...

SKU: DF-SEN0220 | Brand: DFRobot

The Gravity UART Infrared CO2 Sensor uses non-dispersive infrared (NDIR) technology to measure carbon dioxide concentrations from 0 to 50,000 ppm. It offers excellent selectivity with no oxygen dependency, built-in te...

SKU: SF-SEN-09405 | Brand: SparkFun

A simple-to-use MQ-6 gas sensor for detecting liquefied petroleum gas (LPG) — primarily propane and butane — in the air. The sensor detects concentrations from 200 to 10,000 ppm with high sensitivity and fast response...

SKU: SF-SEN-09404 | Brand: SparkFun

This is a simple-to-use compressed natural gas (CNG) sensor, suitable for sensing natural gas (composed of mostly Methane [CH4]) concentrations in the air. The MQ-4 can detect natural gas concentrations anywhere from ...

SKU: DF-SEN0375 | Brand: DFRobot

BME680 is a 4-in-1 multi-functional MEMS environmental sensor which integrates VOC (Volatile Organic Compounds) sensor, temperature sensor, humidity sensor and barometer. It is designed for air quality monitor, and du...

SKU: EF-EF04095 | Brand: ElecFreaks

This sensor is a temperature detector used to test the liquid temperature based on 18b20. Characteristics Standard 3-pin GVS ports is easy to plug. 3V working voltage can drive the micro:bit. Water-proof design ma...

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: TB-RN3442 | Brand: Little Bird

A 47 kΩ NTC (Negative Temperature Coefficient) thermistor in a compact 5 mm radial package. NTC thermistors decrease in resistance as temperature rises, making them ideal for temperature sensing, thermal protection, a...

SKU: TB-RN3436 | Brand: Little Bird

A 1 kΩ NTC (negative temperature coefficient) thermistor in a 5 mm radial dipped-epoxy package. The resistance decreases as temperature increases, making it suitable for temperature sensing, thermal compensation, and ...

SKU: PL-1483 | Brand: Pololu

This semiconductor gas sensor detects the presence of Carbon Monoxide at concentrations from 10 to 1,000 ppm and combustible gas from 100 to 10,000 ppm. The sensor’s simple analog voltage interface requires ...

SKU: DF-DFR0280 | Brand: DFRobot

Sharp GP2Y1010AU Dust Sensor requires some wiring on the breadboard and a list of components to make it Arduino compatible. This has turned down several people due to the thin wires of the sharp sensor making it ...