Environmental (temperature, humidity, air quality)

SKU: AF-6174 | Brand: Adafruit

The Adafruit Sensirion SHT45 is the highest-accuracy sensor in the SHT4x family, delivering ±1.0% typical relative humidity accuracy and ±0.1 °C typical temperature accuracy. Featuring a PTFE membrane for protection a...

SKU: DF-SEN0496 | Brand: DFRobot

This full-scale oxygen sensor uses an original AO2 CiTiceL electrochemical probe to measure oxygen concentrations from 0–100%Vol via I2C digital output. A built-in calibration algorithm on the signal board supports si...

SKU: AF-5182 | Brand: Adafruit

The AM2315C is an enclosed I2C temperature and humidity sensor featuring the modern AHT20 sensor inside a rugged housing with mounting bracket. It offers the same convenient form factor as the original AM2315 but with...

SKU: DF-SEN0371 | Brand: DFRobot

The BMP388 Digital Pressure Sensor Module is a high-accuracy barometric pressure and temperature breakout based on the Bosch BMP388. It offers significantly improved performance over its predecessors (BMP180, BMP280) ...

SKU: DF-SEN0322 | Brand: DFRobot

The Gravity: I2C Oxygen Sensor is based on electrochemical principles and it can measure the ambient O2 concentration accurately and conveniently. With high anti-interference ability, high stablility and high sensitiv...

SKU: EF-EF04079 | Brand: ElecFreaks

Octopus TMP36 Temperature Sensor Brick is a temperature sensor with low voltage and accurate celsius read. It can provide voltage output,which forms a linear relationship with celsius temperature. TMP36 do not need an...

SKU: SF-SEN-15441 | Brand: SparkFun

The SparkFun Lightning Detector adds lightning detection to your next weather station to make sure you are aware of any potential hazardous weather heading your way. The AS3935 is capable of detecting lightning up to ...

SKU: LB-LR0010 | Brand: Little Bird

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 availab...

SKU: DF-SEN0248 | Brand: DFRobot

DFRobot BME680 Environmental Sensor is a low power gas, pressure, temperature & humidity sensor based on BOSCH BME680 sensor. It is a 4-in-1 multi-functional MEMS environmental sensor which integrates VOC (Volatil...

SKU: AF-3709 | Brand: Adafruit

The Adafruit SGP30 is a multi-pixel MOX (metal-oxide) gas sensor from Sensirion that measures Total Volatile Organic Compounds (TVOC) and equivalent CO2 (eCO2) for indoor air quality monitoring. With fully calibrated ...

SKU: DF-SEN0132 | Brand: DFRobot

INTRODUCTION This is an Arduino Carbon Monoxide Sensor. It uses MQ7 probe to detect Carbon Monoxide (CO) concentrations in the air from 20 to 2000ppm. The sensitivity ca...

SKU: SF-DEV-08777 | Brand: SparkFun

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 dig...

SKU: SF-SEN-13676 | Brand: SparkFun

The SparkFun BME280 Atmospheric Sensor Breakout measures barometric pressure, humidity, and temperature in a compact package. Whether you're building a weather station, home automation system, or indoor air quality mo...

SKU: SF-SEN-13266 | Brand: SparkFun

The SparkFun MAX31855K Thermocouple Breakout is a simple 14-bit resolution, SPI-compatible, serial interface thermocouple digitizer that makes reading a wide range of temperatures possible. A thermocouple works by ...

SKU: AF-6420 | Brand: Adafruit

The Adafruit SPA06-003 is an affordable barometric pressure and temperature sensor from Goertek, ideal for basic environmental sensing and DIY quadcopter builds. It measures 300–1100 hPa (approximately −500 to +9000 m...

SKU: AF-6331 | Brand: Adafruit

The Adafruit SEN6x Breakout lets you quickly connect a Sensirion SEN66 (or other SEN6x) environmental sensor node to any microcontroller or single-board computer via STEMMA QT / Qwiic — no soldering or breadboarding r...

SKU: DF-SEN0640 | Brand: DFRobot

  The RS485 Photoelectric Solar Radiation Sensor is designed for precise solar radiation measurement within the 400-1100nm spectral range. Utilizing the photoelectric principle, it converts sunlight into electric...

SKU: DF-SEN0642 | Brand: DFRobot

An industrial-grade RS485 UV sensor that measures ultraviolet intensity (0–15 mW/cm²) and UV index (0–15) across the 290–390 nm wavelength range, covering both UVA and UVB bands. It communicates via the Modbus-RTU pro...

SKU: DF-SEN0604 | Brand: DFRobot

##Introduction The 4-in-1 soil sensor is designed to monitor key soil parameters: temperature, humidity, electrical conductivity (EC), and pH. With its wide voltage power supply range of 5-30V and RS485 data transmiss...

SKU: DF-SEN0603 | Brand: DFRobot

##Introduction The soil electrical conductivity (EC) and pH sensor operate within a wide voltage range of 5-30V, transmit data via RS485 using the MODBUS-RTU protocol, and deliver quick, reliable responses with minima...