Environmental (temperature, humidity, air quality)

This Thermocouple Connector is perfect for bridging the gap between Type-K thermocouples with standard connectors with a PCB. This little connec...

Includes! Adafruit data logger shield for Arduino 8 GB SD card Photocell Through-Hole Resistors - 10K ohm 5% 1/4W - Pack of 25 Temperature se...

Humidity is notoriously difficult to measure. Some of the scientific and electronic considerations to measuring humidity include: analog to digi...

Thermocouples are best used for measuring temperatures that can go above 100 °C. This is a bare wires bead-probe which can measure air or surfac...

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...

These DC powered heating pads are perfect for near-body heating applications. They get warm to the touch but not too hot. Simply apply 5VDC to the ...

The SparkFun MAX31855K Thermocouple Breakout is a simple 14-bit resolution, SPI-compatible, serial interface thermocouple digitizer that makes r...

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 ...

Need to measure something damp? This epoxy-coated precision 1% 10K thermistor is an inexpensive way to measure temperature in weather or liquids. T...

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...

This is a pre-wired and waterproofed version of the DS18B20 sensor. Handy for when you need to measure something far away, or in wet conditio...

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 DHT11 is a basic, ultra low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the ...

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...

PM2.5 laser dust sensor is a digital universal particle concentration sensor, it can be used to obtain the number of suspended particulate matter ...