Environmental (temperature, humidity, air quality)

SKU: DF-SEN0528 | Brand: DFRobot

The AHT20 is a high-precision but low-cost temperature and humidity sensor, which is equipped with an improved MEMS semiconductor capacitive humidity sensor element. It features standard I2C interface and a wide volta...

SKU: DF-SEN0435 | Brand: DFRobot

Compared to DS18B20, LM35, and other common temperature sensors, the MCP9808 is one of the more accurate temperature sensing options, with a typical accuracy of ±0.25°C and maximum accuracy of ±0.5°C over the sensor's...

SKU: DF-SEN0517 | Brand: DFRobot

This barometric pressure temperature sensor is equipped with TDK's newly-launched ICP-10111 barometric pressure sensor, which is based on MEMS capacitor technology to achieve ultra-low power consumption, industry-lead...

SKU: SF-SEN-19325 | Brand: SparkFun

The SEN54 sensor module from Sensirion combines the measurement of particulate matter, VOC, humidity, and temperature in a single package. The SEN54 sensors provide fully calibrated outputs with a digital interface, a...

SKU: DF-SEN0516 | Brand: DFRobot

This barometric pressure temperature sensor is equipped with TDK's newly launched ICP-10111 barometric pressure sensor, which is based on MEMS capacitor technology to achieve ultra-low power consumption, industry-lead...

SKU: DF-SEN0476 | Brand: DFRobot

This is a sensor that detects phosphine concentration and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentration of...

SKU: DF-SEN0332 | Brand: DFRobot

This Digital Temperature & Humidity Sensor Breakout Board is based upon the Sensirion SHT31-F sensor IC. Thanks to Sensirion’s CMOSens® technology, highly integrated capacitive humidity sensing components and band-gap...

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: SF-SEN-16294 | Brand: SparkFun

The MCP9600 Breakout is a high accuracy Thermocouple Amplifier equipped with an I2C interface, accessed over our Qwiic system. Inside the chip are two temperature sensors, one for the thermocouple itself (the hot junc...

SKU: SF-SEN-16467 | Brand: SparkFun

Looking to keep a log of the climate in your greenhouse, create a humidor control system or want to track temperature and humidity data for a weather station project? The SparkFun SHTC3 Humidity Sensor may be the perf...

SKU: EF-EF04042 | Brand: ElecFreaks

The Octopus DS18B20 Digital Temperature Brick uses the DS18B20 1-Wire digital temperature sensor from Maxim IC to deliver accurate readings from −55 °C to +125 °C with ±0.5 °C accuracy. Each sensor has a unique 64-bit...

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: AF-4089 | Brand: Adafruit

Get precise temperature readings with the ADT7410 High Accuracy I2C Temperature Sensor from Analog Devices. Featuring 16-bit resolution (0.0078°C) and ±0.5°C accuracy, this breakout delivers reliable measurements over...

SKU: AF-3721 | Brand: Adafruit

The AM2320 is a low-cost digital temperature and humidity sensor with an I2C interface — a simpler alternative to the classic DHT11/DHT22 sensors that require timing-critical bit-bang protocols. With standard I2C comm...

SKU: AF-1727 | Brand: Adafruit

The MAX31850K breakout board is a 1-Wire thermocouple amplifier with cold-junction compensation for K-type thermocouples. Unlike SPI-based amplifiers, the 1-Wire interface allows any number of thermocouple breakouts t...

SKU: SF-SEN-00251 | Brand: SparkFun

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

SKU: DF-SEN0128 | Brand: DFRobot

An analogue alcohol gas sensor based on the MQ-3 probe, designed for use with Arduino and other microcontrollers. The sensor outputs a voltage proportional to the concentration of alcohol vapour in the surrounding air...

SKU: AF-3251 | Brand: Adafruit

The Adafruit Si7021 is a temperature and humidity sensor from Silicon Labs with a PTFE filter for protection against dust and contaminants. It provides ±3% relative humidity accuracy over 0–80% RH and ±0.4 °C temperat...

SKU: AF-642 | Brand: Adafruit

This is a pre-wired and waterproofed version of the DS18B20 sensor made with a PTFE wire cable. Handy for when you need to measure something far away, or in wet conditions. This sensor is a little more expensive th...