Water & Liquid Sensors

SKU: LB-LR0040 | Brand: Little Bird

This versatile soil moisture sensor is designed for easy integration with both Arduino and Raspberry Pi projects, making it a great choice for hobbyists and developers alike. It features both analog and adjustable ...

SKU: LB-LS0835 | Brand: Little Bird

Do you love your plants?  Do you want the best for them?  Or are you more like me and forget they are there until your mother is about to come over then rush round the house making sure they have been wat...

SKU: KI-5647 | Brand: Kitronik

The Prong Soil Moisture Sensor mounts directly onto a BBC micro:bit to monitor soil moisture levels. Two conductive tines are inserted into the soil — any moisture conducts an analogue voltage that the micro:bit reads...

SKU: LB-LR0043 | Brand: Little Bird

A simple analogue water sensor that detects the presence and relative level of water on its surface. The sensor outputs a higher analogue value as more water covers the sensing traces, making it useful as a basic wate...

SKU: DF-SEN0308 | Brand: DFRobot

The Gravity Analogue Waterproof Capacitive Soil Moisture Sensor from DFRobot measures soil moisture using capacitive sensing rather than resistive probes, offering significantly better corrosion resistance and longer ...

SKU: DF-SEN0161 | Brand: DFRobot

You may check the latest version - Gravity: Analog pH Sensor/Meter Kit V2 to meet your requirements and Liquid Sensor Selection Guide to get better familiar with our liquid sensor series.Need to measure water quality...

SKU: DF-SEN0205 | Brand: DFRobot

A photoelectric liquid level sensor that uses optical principles to detect the presence or absence of liquid. With no moving parts, it requires minimal calibration and offers high sensitivity and long service life. Th...

SKU: DF-SEN0189 | Brand: DFRobot

The Gravity Analog Turbidity Sensor measures water clarity by detecting the level of suspended particles. It works by measuring light transmittance and scattering rate, which change with the amount of total suspended ...

SKU: DF-SEN0575 | Brand: DFRobot

This DFRobot rainfall sensor is a reliable and convenient tool for measuring rainfall.Based on the principle of tipping bucket rainfall, the rainfall sensor provides users with rainfall values in millimeters and syste...

SKU: DF-SEN0244 | Brand: DFRobot

The Gravity Analog TDS Sensor is an Arduino-compatible kit for measuring Total Dissolved Solids (TDS) in water. TDS indicates how many milligrams of soluble solids are dissolved per litre — the higher the value, the l...

SKU: DF-SEN0257 | Brand: DFRobot

The Gravity Analog Water Pressure Sensor measures water or gas pressure and outputs a linear 0.5–4.5 V analogue signal proportional to the applied pressure (0–1.6 MPa). Using the DFRobot Gravity 3-pin interface, it co...

SKU: DF-SEN0114 | Brand: DFRobot

A resistive soil moisture sensor that reads the water content of surrounding soil by measuring electrical resistance between its two probes. Wetter soil conducts more easily (lower resistance), while dry soil conducts...

SKU: AF-4026 | Brand: Adafruit

The Adafruit STEMMA Soil Sensor uses capacitive measurement to detect soil moisture — a more durable approach than resistive sensors that corrode over time. With a single probe and no exposed metal, it avoids oxidatio...

SKU: DF-SEN0204 | Brand: DFRobot

A non-contact liquid level sensor that detects the presence of liquid through a container wall — no direct contact with the liquid required. Using advanced signal processing via the XKC-Y25-T12V chip, it works through...

SKU: EF-EF04097 | Brand: ElecFreaks

The Octopus Capacitive Soil Moisture Sensor uses capacitive sensing to detect soil moisture levels, avoiding the corrosion problems common with resistive sensors for a much longer service life. It outputs an analogue ...

SKU: DF-SEN0169-V2 | Brand: DFRobot

DFRobot Gravity: Analog pH meter pro V2 is specifically designed to measure the pH of the solution and reflect the acidity or alkalinity. It is commonly used in various applications such as aquaponics, aquaculture, an...

SKU: EF-EF04094 | Brand: ElecFreaks

The Octopus Water Level Sensor detects water level using exposed parallel traces on the PCB. As the water level rises, more traces are submerged, producing a higher analogue signal output. Compatible with micro:bit (3...

SKU: LB-24-RAIN | Brand: Little Bird

Give your projects weather awareness in seconds. This compact module detects the very first drop of rain and reports the strength of the shower, making it ideal for smart gardens, automatic window controls, mini weat...

SKU: EC-SPM32100S | Brand: Elecrow

This Moisture Sensor can be used to detect the moisture of soil or your pet plant's water level, let the plants in your garden reach out for human help. With the Octopus Electronic Bricks interface can very easy to us...

SKU: DF-SEN0368 | Brand: DFRobot

A non-contact capacitive liquid level sensor that detects whether liquid is present inside a non-metallic container or pipe without direct contact with the fluid. It works by measuring changes in capacitance through t...