Its design is based on the WSP2110 whose conductivity changes with the concentration of VOC gas in air. Through the circuit, the conductivity can be converted to output signal that corresponding to...

Most ultrasonic distance sensors aren't waterproof which can be a problem if you need your project to withstand the elements outdoors. No need to worry any more! This is a waterproof & ultrason...

This is a photoelectric water liquid level sensor that operates using optical principles. The advantages of this photoelectric water liquid level sensor are good sensitivity and no need for mechani...

Most of automated robotic projects start from a line-following robot, Grove - Line finder v1.1, designed to achieve this task easily and quickly. Those eye-like sensors on the board are actually IR...

Both the IR sensitive thermopile detector chip and the signal conditioning chip are integrated in the same package.This module communicates with Arduino using SMBus and up to 127 sensors can be rea...

The Grove - Gas Sensor(MQ2) module is useful for gas leakage detection (in home and industry). It can detect combustible gas and smoke. The output voltage from the Gas sensor increases when the con...

Grove - DPS310 is a high precision barometric pressure sensor, it can measure air pressure change caused by height changes in the centimeter level. Typical Applications: Indoor Navigation (floo...

Provide reliable data for air purifier system Easy maintenance PWM output Grove compatible interface Compact and light design. This Dust Sensor gives a good indication of the air quality in an env...

DFRobot released its latest wide range Arduino infrared CO2 sensor, which effective range is up to 0~50000ppm. This sensor is based on non-dispersive infrared (NDIR) technology and has good selecti...

This is a non-contact water / liquid level sensor for Arduino. It utilizes advanced signal processing technology by using a powerful chip (XKC-Y25-T12V) with high-speed operation capacity to achiev...

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 stablili...

It is built with MQ303A semiconductor alcohol sensor. It has good sensitivity and fast response to alcohol, making it suitable for building a breathalyzer. This Grove module implements all the nece...

DFRobot Gravity: analog electrical conductivity meter V2 is specially used to measure the electrical conductivity of an aqueous solution, and then to evaluate the water quality, which is often used...

Great and powerful sensor for everyone that wants to know the exact concentration of CO2(Carbon Dioxide) in the air.  This is the first CO2 sensor compatible with Arduino. The output voltage of th...

HuskyLens is an easy-to-use AI machine vision sensor. It is equipped with multiple functions, such as face recognition, object tracking, object recognition, line tracking, color recognition, and ta...

This soil Moisture sensor is made of a corrosion resistant material giving it a long service life. Insert it into soil and impress your friends with the real-time soil moisture data! The product in...

Ultrasonic sensors emit ultrasonic pulses, and by measuring the time of ultrasonic pulse reaches the object and back to the transducer, the distance of sensor from the target object is calculated. ...

The sensor traces have a weak pull-up resistor of 1 MΩ. The resistor will pull the sensor trace value high until a drop of water shorts the sensor trace to the grounded trace. Believe it or not thi...

It can detect the change in capacitance when a finger is nearby. This means no matter if your finger directly touches the pad or just stays close to the pad, the Grove - Touch Sensor will output HI...

The resistance of a thermistor will increase when the ambient temperature decreases. It’s this characteristic that we use to calculate the ambient temperature. The detectable range of this sensor i...

Grove-Temperature & Humidity Sensor Pro is a high accuracy temperature and humidity sensor based on the DHT22 module (also known as AM2302 or RHT03). High-cost performance and high precision ma...

The sensor(chip) used in the module is designed with Sensirion’s CMOSens® technology. The chip is well calibrated, linearized and compensated for digital output. The typical accuracy of this module...

This is a multifunctional sensor that gives you temperature and relative humidity information at the same time. It utilizes a TH02 sensor that can meet measurement needs of general purposes. It pr...