Water & Liquid Sensors
Water level sensors, flow sensors, rain sensors, leak detectors, and liquid level measurement (eTape).
Gravity: Conductivity Sensor Switch
SKU: DF-SEN0223 | Brand: DFRobot
The Gravity Conductivity Sensor Switch module can be used to detect if an object has electrical conductivity. Its maximum detection value is 10MΩ. It can detect not only coins, wires, metal and other good conducto...
Delivered by Fri 19 Jun
MODBUS-RTU RS485 Soil EC and pH Monitoring Sensor (IP68, 5-30V)
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...
Delivered by Fri 19 Jun
UART Non-contact Optical Turbidity Sensor for Arduino
SKU: DF-SEN0554 | Brand: DFRobot
This non-contact turbidity sensor detects water quality by measuring the level of turbidity. Based on the optics principle, it is capable of detecting the light transmittance and scattering rate of the liquid in trans...
Delivered by Fri 19 Jun
Monk Makes Plant Monitor - Capacitive Moisture Meter
SKU: AF-5587 | Brand: Adafruit
If you're like me and have trouble keeping your calatheas and pepperomias happy and not overwatering them to root rot ruin, why not take a gander at the Plant Monitor from Ada-friend Monk Makes. Its a super easy and f...
Delivered by Tue 30 Jun
Gravity: Liquid Flow Sensor (G1/2)
SKU: DF-SEN0550 | Brand: DFRobot
This Gravity: Liquid Flow Sensor is designed based on the electromagnetic principle. It adopts O-ring rubber seal and uses silicone sealant at the outlet end to ensure good waterproofness. Also, it embraces high anti-...
Delivered by Fri 19 Jun
Gravity: Liquid Flow Sensor (G1/4)
SKU: DF-SEN0549 | Brand: DFRobot
This Gravity: liquid flow sensor is designed based on the electromagnetic principle. It adopts an O-ring rubber seal and uses silicone sealant at the outlet end to strength water-resistance. With high anti-interferenc...
Delivered by Fri 19 Jun
Intelligent Rain Detection Module
SKU: DF-SEN0545 | Brand: DFRobot
This smart rain sensor offers a fast way to detect rainfall change on glass in real-time free from effects like sunlight, dust, leaves, etc., and feeds back information (no rain, light rain, moderate rain, or heavy ra...
Delivered by Fri 19 Jun
Water Leak Detector
SKU: DF-SEN0454 | Brand: DFRobot
A relay-output water leak detector with NO/NC (normally open/normally closed) switching. When water contacts the two sensing probes, the built-in relay triggers — suitable for activating alarms or shutting off equipme...
Delivered by Fri 19 Jun
Capacitive Liquid Level Sensor for Arduino
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 ...
Delivered by Fri 19 Jun
Clear Turbine Water Flow Sensor with 3-pin JST
SKU: AF-5066 | Brand: Adafruit
Measure liquid/water flow for your solar, computer cooling, or gardening project using this handy basic flow meter featuring a fully clear plastic body. This sensor sits in line with your water line and uses a pinwhee...
Delivered by Tue 30 Jun
Optomax Digital Liquid Level Sensor
SKU: AF-3397 | Brand: Adafruit
The Optomax is an optical liquid level sensor that detects the presence or absence of almost any liquid — oil or water based. Inside the polysulfone housing, an infrared LED and matching phototransistor work together:...
Delivered by Tue 30 Jun
Adafruit LPS33HW Water Resistant Pressure Sensor - STEMMA QT
SKU: AF-4414 | Brand: Adafruit
The Adafruit LPS33HW is a water-resistant barometric pressure sensor designed for use in harsh environments. The sensing element is housed in a ceramic package with waterproof gel protection, making it suitable for lo...
Delivered by Tue 30 Jun
Gravity: Analog Spear Tip pH Sensor / Meter Kit (for Soil and Food Applications)
SKU: DF-SEN0249 | Brand: DFRobot
The Gravity Spear Tip pH Sensor Kit is designed for measuring the pH of semi-solid materials such as wet soil, fruit, meat, and vegetables. The stainless steel spear tip protects the glass electrode and allows the pro...
Delivered by Wed 10 Jun
Gravity: Steam Sensor
SKU: DF-SEN0121 | Brand: DFRobot
This is a steam(water)sensor from DFRobot. 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. Notic...
Delivered by Wed 10 Jun
AgXRP Pump & Soil Moisture Sensor Expansion Pack (Beta)
SKU: SF-KIT-30716 | Brand: SparkFun
Add another automated planting zone to your AgXRP setup with this expansion for the AgXRP Starter Kit. It lets students and educators add a second pump and soil moisture sensor, so they can water a second plant indepe...
Delivered by Fri 19 Jun
DFRobot Gravity Industrial Analog EC Meter Kit (K=1, IP68)
SKU: DF-SEN0451 | Brand: DFRobot
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 environment...
Delivered by Fri 19 Jun
DFRobot SEN0713 RS485 Chlorophyll Water Quality Sensor
SKU: DF-SEN0713 | Brand: DFRobot
This industrial-grade chlorophyll sensor measures chlorophyll concentration in water using the fluorescence principle, making it useful for algae monitoring in rivers, lakes, ponds, aquaculture systems and field resea...
Delivered by Fri 19 Jun