Environmental (temperature, humidity, air quality)

SKU: SF-SEN-17052 | Brand: SparkFun

The MQ-136 is a Hydrogen Sulfide detection sensor with a sensing range of 1 - 200ppm. The sensing element is SnO2, which has lower conductivity in clean air. When H₂S gas exists, the sensor’s conductivity gets higher ...

SKU: EF-EF04070 | Brand: ElecFreaks

The Octopus LM35 Analog Temperature Brick is a plug-and-play temperature sensor module based on the TI LM35D precision centigrade temperature sensor. The LM35 outputs a voltage linearly proportional to temperature (10...

SKU: AF-4686 | Brand: Adafruit

The Adafruit TMP235 is a plug-and-play analog temperature sensor with a 3-pin JST PH (STEMMA) connector. Unlike I2C sensors, this one outputs a simple analog voltage proportional to temperature — just connect it to an...

SKU: DF-SEN0256 | Brand: DFRobot

The DFRobot TS01 is a non-contact infrared temperature sensor that measures surface temperature via infrared radiation. The all-metal IP65 housing provides protection against impact, water, and dust, making it suitabl...

SKU: DF-SEN0264 | Brand: DFRobot

DFRobot TS01 IR temperature sensor is a non-contact thermal sensor, which can be used to measure the infrared intensity of the object so as to calculate its surface temperature without touching. The built-in temperatu...

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: 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: 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...