Environmental (temperature, humidity, air quality)

SKU: AF-3895 | Brand: Adafruit

Thermocouples are best used for measuring temperatures that can go above 100°C. This is a bare-wire bead-probe which can measure air or surface temperatures. Most inexpensive thermocouples have a vinyl covering whi...

SKU: LI-650-0022 | Brand: Little Bird

The littleBits Temperature Sensor responds to the ambient temperature surrounding its probe, sending a stronger signal as the temperature increases. It's a simple way to add temperature sensing to your littleBits circ...

SKU: TB-RN3442 | Brand: Little Bird

A 47 kΩ NTC (Negative Temperature Coefficient) thermistor in a compact 5 mm radial package. NTC thermistors decrease in resistance as temperature rises, making them ideal for temperature sensing, thermal protection, a...

SKU: TB-RN3436 | Brand: Little Bird

A 1 kΩ NTC (negative temperature coefficient) thermistor in a 5 mm radial dipped-epoxy package. The resistance decreases as temperature increases, making it suitable for temperature sensing, thermal compensation, and ...

SKU: SF-SEN-00251 | Brand: SparkFun

36" high temperature Type-K Thermocouple with glass braid insulation.

SKU: DF-DFR0280 | Brand: DFRobot

Sharp GP2Y1010AU Dust Sensor requires some wiring on the breadboard and a list of components to make it Arduino compatible. This has turned down several people due to the thin wires of the sharp sensor making it ...

SKU: AF-249 | Brand: Adafruit

This pack includes everything you need to build a light and temperature data logger with an Arduino. The Adafruit data logger shield records sensor readings to an SD card with real-time timestamps, while the included ...

SKU: DF-SEN0198 | Brand: DFRobot

What sensor should you use when you need to measure temperature? Most people will think of a DS18B20 temperature sensor first, but this sensor is only capable of measuring temperatures up to 125C. In order to me...

SKU: SF-SEN-28868 | Brand: SparkFun

This wind vane is used to indicate the direction from which the wind is blowing. Inside the vane are eight switches, each paired with a unique resistor, allowing a microcontroller to read direction based on the vane’s...

SKU: DF-SEN0475 | Brand: DFRobot

Measure hydrogen fluoride concentration with a factory-calibrated electrochemical probe that supports analogue, I2C and UART output modes. It is designed for quickly building an HF concentration detector for industria...

SKU: DF-SEN0469 | Brand: DFRobot

This calibrated gas sensor measures ammonia concentration in the environment using an electrochemical probe. It supports three output modes — analogue, I2C and UART — so it can slot into a wide range of microcontrolle...

SKU: SF-SEN-17059 | Brand: SparkFun

This PT100 is a platinum RTD (Resistance Temperature Detector) for accurate temperature sensing. It has a nominal resistance of 100Ω at 0°C, with resistance changing as temperature changes.It is suitable for applicati...

SKU: LB-DHT11-SENSOR | Brand: Little Bird

The Little Bird DHT11 Temperature and Humidity Sensor Module provides calibrated digital temperature and humidity readings from a single sensor. Designed and made in Sydney, Australia, it requires no extra components ...

SKU: EC-SSE01209P | Brand: Elecrow

This is a high-precision temperature control module, it can not only show the temperature, but also according to the current temperature of the relay control, it can control some of the power equipment through the ...

SKU: AF-4881 | Brand: Adafruit

Here is a jolly cute, palm-sized, Bluetooth-enabled sensor to monitor your room's temperature and humidity. Only 43mm x 43mm, we dig its small form factor and minimal design. The shell is made of durable ABS&nbsp...

SKU: PR-PIM181 | Brand: Little Bird

Enviro pHAT packs 4 different sensors, letting you measure temperature, pressure, light level, colour, 3-axis motion, compass heading, and analog inputs. That's up to 10 different variables!It's ideal for monitoring c...

SKU: PL-1643 | Brand: Pololu

Sparkfun’s carrier board for the HIH-4030 relative humidity (%RH) sensor from Honeywell outputs an analog voltage that varies nearly linearly with humidity. It operates at 5 V while drawing only 200 μA and ...

SKU: PI-COM1701 | Brand: Pimoroni

The TMP36 is a low voltage, precision centigrade temperature sensor. It provides a voltage output that is linearly proportional to the Celsius temperature. It also doesn’t require any external calibration to provide t...

SKU: PR-PIM203 | Brand: Little Bird

Enviro pHAT packs 4 different sensors, letting you measure temperature, pressure, light level, colour, 3-axis motion, compass heading, and analog inputs. That's up to 10 different variables! It's ideal for monitoring ...

SKU: AF-1778 | Brand: Adafruit

The AD8495 from Analog Devices is an analog-output K-type thermocouple amplifier on a compact breakout board. Simply power the board with 3–18V DC, connect a K-type thermocouple to the terminal block, and read the tem...