Environmental (temperature, humidity, air quality)

Breathe easy with the SGP30 Multi-Pixel Gas Sensor, a fully integrated MOX gas sensor. This is a very fine air quality sensor from the sensor exper...

This 12V 30W soldering iron features a fused cigarette lighter plug lead to allow you to power it from the car cigarette lighter socket. Ideal for...

Alcohol sensor is semiconductor sensor for alcohol detection. It has good sensitivity and fast response to alcohol, suitable for portable alco...

These devices are made of a special ceramic material which changes resistance value rapidly with temperature change. They are commonly used...

We’ve all seen toys and things that change color when you run them under warm water or heat them up in the sun. Some of us were especially mes...

These devices are made of a special ceramic material which changes resistance value rapidly with temperature change. They are commonly used...

This combo board is the first of its kind to provide a variety of environmental data including barometric pressure, humidity, temperature, TVOCs...

The Water Sensor is a small analogue sensor which can detect the amount of water there is on itself. The value will increase as the more water i...

Feeling tipsy?   Feature:  1. High quality double panel design, with power indicator and TTL output signal.   2. Have DO switch signal(TTL) outp...

This is a simple breakout board for the SHT15 humidity sensor from Sensirion. The SHT15 digital humidity and temperature sensor is fully calibrated...

Breathe easy, knowing that you can track and sense the quality of the air around you with the PM2.5 Air Quality Sensor with Breadboard Adapte...

The Temperature Cubelet contains a tiny thermometer (actually, a thermistor) that detects temperature. It’s calibrated to output a 0 in freezing co...

This is a simple breakout board for the SHT15 humidity sensor from Sensirion. The SHT15 digital humidity and temperature sensor is fully calibrated...

This hot-air rework station is great for professionals and hobbyists in need of tight temperature tolerances and large air flows. This unit disp...

Thermocouples are very sensitive, requiring a good amplifier with a cold-compensation reference. So far we've carried the very nice MAX31855 whi...

This cyber-tronic looking sensor hides a secret behind it's glimmering eye. Unlike most temperature sensors, this sensor measures infrared light bo...

This cyber-tronic looking sensor hides a secret behind its glimmering eye. Unlike most temperature sensors, this sensor measures infrared light bou...

Thermocouples are very sensitive, requiring a good amplifier with a cold-compensation reference. We have a couple digital thermocouple amplifier...

This I2C digital temperature sensor is one of the more accurate/precise we've ever seen, with a typical accuracy of ±0.25°C over the sensor's -40°C...

If you've ever made a mistake when surface-mount soldering, you'll know how much of a pain it can be to fix it without the right tools. It can add ...

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