Environmental (temperature, humidity, air quality)

The TMP102 is an easy-to-use digital temperature sensor from Texas Instruments. The TMP102 breakout allows you to easily incorporate the digital te...

It’s not the heat but the humidity that gets you, at least that’s what they say. Really, both are important, what you need is a sensor that comb...

This humidity and temperature sensor is Discontinued Now, We recommend LM35 Temperature Sensor For Arduino as a suitable replacement. The ...

The Adafruit MiCS-5524 Gas Sensor Breakout is a robust MEMS sensor from SGX Sensortech for detecting carbon monoxide, natural gas leaks, alcohol, a...

The RC Air Mouse and Keyboard uses the latest 2.4GHz wireless technology with a sampling frequency up to 120Hz. Use it like a Wii remote to cont...

Here’s a replacement heating element for our hot-air rework stations. It’s compatible with Sunkko stations and our own branded rework station. The ...

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 onb...

The DHT22 is a basic, low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the sur...

The AM2302 is the wired version of the popular DHT22 temperature and humidity sensor, housed in a large plastic enclosure with colour-coded lead wi...

A temperature-controlled, anti-static soldering station with adjustable temperature from 200°C to 480°C. The AT936b uses a low-voltage DC heating e...

The Adafruit Si7021 is a temperature and humidity sensor from Silicon Labs with a PTFE filter for protection against dust and contaminants. It prov...

This is a simple-to-use hydrogen gas sensor, suitable for sensing hydrogen concentrations in the air. The MQ-8 can detect hydrogen gas concentratio...

This non-contact infrared thermometer makes it a breeze to take quick and accurate surface temperature readings without getting too close for comfo...

An evaluation board for the MLX90614 non-contact infrared thermometer sensor. It pairs the MLX90614 with an ATmega328 running at 3.3 V (8 MHz Ardui...

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

The Vernier Gas Pressure Sensor is an easy-to-use tool for monitoring pressure changes in gaseous samples. With a range of 0 to 210 kPa (0 to 2.1 a...

The Vernier Stainless Steel Temperature Probe is a durable, lab-grade thermistor sensor designed for use in liquids and harsh environments. The sta...

This piezo igniter generates a spark with a simple button press — no batteries or external power required. Featuring a large red push button, an ea...

The Adafruit HTU21D-F is an accurate I²C digital temperature and humidity sensor breakout board. With typical humidity accuracy of ±2% (optimised f...

The RHT03 (also known as DHT-22) is a calibrated digital humidity and temperature sensor with a single-wire interface. It provides reliable relativ...

This 40 × 40 mm thermoelectric cooler (TEC/Peltier module) creates a temperature differential between its two faces — one side heats up while the o...

What sensor should you use when you need to measure temperature? Most people will think of a DS18B20 temperature sensor first, but this senso...

Quantify the world! The Sensor Kit from Particle is a curated mix of awesome sensors and electrical components specifically selected by the engi...

Unlike most of the other temperature sensors we have, this breakout has a really cool IR sensor from TI that can measure the temperature of an o...