All Products

SKU: KI-5038

The Kitronik Air Quality Control HAT for Raspberry Pi lets you monitor, log, and react to environmental data using the BME688 sensor. It measures temperature, pressure, humidity, air quality index, and eCO2, with an on-board OLED display and ZIP LEDs for visual feedback. An RP2040 co-processor ha...

SKU: AF-2680

OK you've signed up for Adafruit.io and you're ready to build something cool and Internet-connected. All you need is this starter kit which will get you going with lots of parts that go very well with our service and are the most common sensors and actuators you may want. Sense light, motion, ...

SKU: DF-SEN0527

The Fermion AHT20 is a high-precision, low-cost temperature and humidity sensor breakout from DFRobot. Built around an improved MEMS semiconductor capacitive humidity sensor element, it communicates over a standard I2C interface and operates across a wide 2–5 V supply range. The sensor performs ...

SKU: LB-LR0010

Digital TempTemperature sensing module using an NTC thermistor. The output signal at ‘DO’ switches high when the preset (adjustable) temperature is reached. An analog output signal from the sensor is available at pin ‘AO’

SKU: EF-EF04019

Temperature and humidity sensor is a module based on DHT11 digital temperature and humidity sensing element. Simple design, and sensitive to the ambient temperature and humidity changes, it can be used for temperature alarm, humidity testing and other works.3P Octopus Bricks Interface，input 5V - ...

SKU: DF-SEN0451 · MPN: SEN0451

This industrial Gravity kit measures electrical conductivity in aqueous solutions, helping you evaluate water quality by tracking dissolved content or salinity. It is suited to hydroponics, aquaculture and environmental water monitoring where long-running measurements are needed.The pro probe is ...

SKU: SF-SEN-18364

The DHT20 is a factory-calibrated digital humidity and temperature sensor with an I²C interface. An upgrade to the popular DHT11/DHT22 series, it provides reliable environmental measurements without requiring additional calibration or external components. Key Features I²C Digital Output – Stan...

SKU: AF-374

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 onboard digital-to-analog converter. They work great with any microcontroller using a single digital pin, and you can even connect multiple ones to the s...

SKU: AF-381

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 conditions. While the sensor is good up to 125°C the cable is jacketed in PVC so we suggest keeping it under 100°C. Because they are digital, you don't get an...

SKU: DF-SEN0392

The SGP40 Air Quality sensor adopts the new SGP40 digital VOC sensor chip launched by the well-known Sensirion. Based on the Sensirion’s CMOSens® technology, the SGP40 offers a complete sensor system on a single chip, a temperature-controlled micro-hotplate and a humidity-compensated indoor air q...

SKU: DF-SEN0331

This DFRobot SHT31 digital temperature and humidity sensor is based upon the Sensirion SHT31 sensor IC. Thanks to Sensirion’s CMOSens® technology, highly integrated capacitive humidity sensing components and band-gap temperature sensing components, the SHT31 offers high reliability and long-term ...

SKU: AF-4566

The Adafruit AHT20 is an affordable I2C temperature and humidity sensor from the makers of the popular DHT22. It delivers reliable readings with standard I2C communication, making it easy to use with any Arduino, Raspberry Pi or other microcontroller. This STEMMA QT version features solderless c...

SKU: DF-SEN0227

This SHT20 I2C temperature & humidity sensor is equipped with waterproof probe. It comes with the 4C CMOSens® SHT20 temperature & humidity sensor chip and the probe has gone through dual waterproof protection test. The SHT20 I2C temperature & humidity sensor adopt Sensirion techniqu...

SKU: EF-EF05022 · MPN: EF05022

ELECFREAKS PlanetX BME280 Environment Sensor is a combination sensor based on digital humidity, pressure, and temperature sensors. It is also able to calculate the altitude based on the air pressure value.Learn PlanetX BME280 Environment Sensor

SKU: EF-EF05028 · MPN: EF05028

PM2.5 is the particulates in the air with a diameter less than or equal to 2.5 microns. It usually carries heavy metals and microorganisms, and it stays in the air for a long time, which has a great impact on human health and the quality of the atmosphere. The PM2.5 sensor is able to detect the c...

SKU: EF-EF04024

This is a Rain/steam sensor from ElecFreaks. This steam sensor can be connected to the Arduino IO Expansion shield directly. The output voltage will increase when the humidity of the sensor surface goes up.You even could use it as a touch panel.

SKU: SF-DEV-08777

Detecting temperature changes has never been easier. The MCP9700 is a small thermistor type temperature sensor. This sensor will output 0.5V at 0 degrees C, 0.75V at 25 C, and 10mV per degree C. Doing an analog to digital conversion on the signal line will allow you to establish the local ambient...

SKU: AF-5912 · MPN: ADA5912

The Adafruit SHT41 Trinkey is a tiny USB A device that combines an ATSAMD21 microcontroller with a Sensirion SHT41 temperature and humidity sensor. Simply plug it into any USB A port on your computer and start reading environmental data — no wiring, soldering, or driver installation required. Th...

SKU: EF-EF05041 · MPN: EF05041

The PlanetX Waterproof 18B20 Temperature Sensor is a sensor that senses temperature and converts it into a usable output signal. It is waterproof and can be used for temperature measurement. It is usually used for the detection of water temperature. SPECIFICATIONConnections: RJ11 4P4CPower S...

SKU: SF-SEN-11859

This is not your typical temperature sensor. The TMP006 Breakout can measure the temperature of an object without making contact with it. By using a thermopile to detect and absorb the infrared energy an object is emitting, the TMP006 Breakout can determine how hot or cold the object is. The TMP0...