Arduino Sensors

SKU: DF-SEN0177 | Brand: DFRobot

The Gravity Laser PM2.5 Air Quality Sensor uses laser scattering to measure suspended particulate matter concentrations in the air. It detects particles from 0.3 to 10 µm in diameter and outputs digital concentration ...

SKU: SF-COM-09542 | Brand: SparkFun

The QRE1113 is a small IR reflectance sensor. This sensor is often used in line following robots because, if it can sense if a surface is white or black. There are four pins on the QRE1113 - two control the IR em...

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-6426 | Brand: Adafruit

The Adafruit STHS34PF80 is a compact IR presence and motion sensor that detects human and animal presence up to 4 metres away — without requiring a lens. Unlike traditional chunky PIR sensors with simple digital outpu...

SKU: SF-SEN-28798 | Brand: SparkFun

  This is the HC-SR04 ultrasonic distance sensor, now in Red! This economical sensor offers non-contact measurement functionality ranging from 2cm to 400cm, with a ranging accuracy of up to 3mm. Each HC-SR04 ...

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...

SKU: DF-SEN0602 | Brand: DFRobot

##Introduction This RS485 soil temperature, humidity, and pH sensor supports a broad voltage power supply range (5-30V) and communicates data through the reliable MODBUS-RTU protocol, allowing for seamless integration...

SKU: DF-SEN0601 | Brand: DFRobot

The RS485 Soil Sensor provides real-time monitoring of soil temperature, moisture, and electrical conductivity (EC) in a single rugged probe. It communicates via the MODBUS-RTU protocol over RS485, making it easy to i...

SKU: DF-SEN0600 | Brand: DFRobot

##Introduction The RS485 Soil Sensor is designed for real-time monitoring of soil temperature and humidity, ideal for large-scale agricultural applications, greenhouse management, and fruit orchards' automatic irrigat...

SKU: DF-SEN0586 | Brand: DFRobot

The LPB40B is a single-point ranging LiDAR sensor based on Direct Time-of-Flight (DToF) technology. It measures distances from 0.05 to 40 m on high-reflectivity targets, with ±5 cm accuracy across the full range. The ...

SKU: DF-SEN0591 | Brand: DFRobot

##Introduction With a measurement range of up to 3m, the RS485 ultrasonic obstacle avoidance distance ranging sensor offers advantages such as small blind zones (Measurement accuracy: 1 + (S * 0.3%) cm), narrow measur...

SKU: DF-SEN0507 | Brand: DFRobot

Different from our previous liquid level sensors, this capacitive liquid sensor can be used to detect high-viscosity and low-corrosive liquids, such as glue, lubricating oil, grease, ink, engine oil, powder and other ...

SKU: SF-SEN-17049 | Brand: SparkFun

The MQ-2 is a smoke and combustible gas sensor manufactured by Winsen. It detects flammable gases and smoke in a concentration range of 300–10,000 ppm, with particularly high sensitivity to propane and smoke. It's wid...

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: AF-1031 | Brand: Adafruit

This SHARP distance sensor bounces IR off objects to determine how far away they are. It returns an analog voltage that can be used to determine how close the nearest object is. Comes with 8" long 3-JST interface wire...

SKU: AF-4058 | Brand: Adafruit

You've heard about the sensors in the news, when used in self-driving cars, and now you can have your own! Garmin's LIDAR-Lite V3 is the ideal high-performance (but compact) optical distant measurement sensor solution...

SKU: DF-SEN0013 | Brand: DFRobot

This SHARP infrared distance sensor takes a continuous distance reading and returns a corresponding analog voltage with a range of 20cm (8") to 150cm (60").It can be usually applied as obstacle avoidance and path p...