Environmental (temperature, humidity, air quality)

Sparkfun’s carrier board for the HIH-4030 relative humidity (%RH) sensor from Honeywell outputs an analog voltage that varies nearly linearly with ...

This semiconductor gas sensor detects the presence of alcohol gas at concentrations from 0.04 mg/L to 4 mg/L, a range suitable for making a brea...

This semiconductor gas sensor detects the presence of methane (CNG) gas at concentrations from 300 ppm to 10,000 ppm, a range suitable for detectin...

This is a multifunction air quality monitor that can be detected not only the concentration of particles and formaldehyde but also the value of te...

This SHT20 I2C temperature & humidity sensor is equipped with waterproof probe. It comes with the 4C CMOSens® SHT20 temperature & humid...

The TNm infrared thermometer module is is a long distance thermometer specially designed for a high sensitivity, high accuracy,low noise and low p...

It's summer and you're sweating and your hair's all frizzy and all you really want to know is why the weatherman said this morning that today's ...

The SparkFun CCS811/BME280 Environmental Combo Breakout takes care of all your atmospheric-quality sensing needs with the popular CCS811 and BME280...

Measuring air quality includes the necessity to determine the amount of dust or particulate matter (PM) in the air. Dust is not so bad but reall...

INTRODUCTION This is an Arduino Propane Gas Sensor. It uses MQ6 probe to detect iso-butane, propane and liquefied pe...

INTRODUCTION This is an Arduino Carbon Monoxide Sensor. It uses MQ7 probe to detect Carbon Monoxide (CO) concentrati...

This is an Arduino LPG gas sensor. It has MQ5 probe which is very sensitive with LPG, natural gas , town gas. It is less sensitive with alcoh...

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...

The CCS811 Air Quality Breakout is a digital gas sensor solution that senses a wide range of Total Volatile Organic Compounds (TVOCs), including...

This is a simple breakout board for the MQ - 3, MQ - 4, MQ - 6, MQ - 7, and MQ - 8 gas sensors. With the Gas Sensor Breakout you will be able to ut...

This alcohol sensor is suitable for detecting alcohol concentration on your breath, just like your common breathalyzer. It has a high sensitivit...

This is a K type Thermocouple (Temperature sensor) which is very popular for 3D printers such as Ultimaker and Makerbot. You can hardly damage t...

Detecting temperature changes has never been easier. The MCP9700 is a small thermistor type temperature sensor. This sensor will output 0.5V at 0 d...

This temperature sensor used TMP100 chip is ideal for extended temperature measurement in a variety of communication, consumer, environmental,an...

The MAX31820 ambient temperature sensor provides 9-bit to 12-bit Celsius temperature measurements with ±0.5°C accuracy over a +10°C to +45°C temper...

Sharp optical dust sensor has an internal infrared diode and a phototransistor diagonally arranged. The diode projects light and the phototra...

This is a compact and easy to use relative humidity sensor from Sensirion. The SHT15 digital humidity and temperature sensor is fully calibrated...

This is an anti-rust, robust and precise SHT10 sensor, which can master enterprise-class and industrial-level applications. It can be applied in v...

NOTE: THIS SOLDERING IRON IS HAS A US PLUG AND IS NOT COMPATIBLE WITH AUSTRALIAN POWER OUTLETS. Upgrade your RatShack fire-starter iron to this ...