Environmental (temperature, humidity, air quality)

You talked, we listened, and we’ve revised our Geiger Counter board to address some of the most pressing concerns. This version features an improve...

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 ...

Give your next sensor project a nose for gasses with the Adafruit MiCS-5524 Gas Sensor Breakout. This breakout makes it easy to use this nice senso...

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 a wired version of the DHT22, in a large plastic body. It is a basic, low-cost digital temperature and humidity sensor. It uses a ...

This Soldering Station AT936b is temperature-controlled, consists of an electrical power supply, control circuitry with provision for user adjustm...

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 rel...

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...

This is an evaluation board for the MLX90614 IR Thermometer. The sensor is connected to an ATmega328 running at 3.3V with a STK500 (Arduino) 8MHz b...

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

This is the Vernier Gas Pressure Sensor, an easy to operate tool that can be used to monitor pressure changes of a gaseous element. The range on th...

This is the Stainless Steel Temperature Probe, a tough little Vernier Sensor that can be used to measure the temperature of organic liquids and eve...

Put a temperature meter anywhere with this very handy display. This panel meter displays the temperature of the attached waterproof 1% thermistor i...

This piezo igniter can be used for all sorts of applications where you need a spark to make fun things happen. With a large red button, easy mounti...

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 RHT03 (also known by DHT-22) is a low cost humidity and temperature sensor with a single wire digital interface. The sensor is calibrated and d...

Thermoelectric coolers (TEC or Peltier) create a temperature differential on each side. One side gets hot and the other side gets cool. Therefore, ...

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