This clever Water Sensor Module uses variable resistance to measure water levels, as well as the size of drops and droplets within a system.
This Analog Turbidity Sensor is capable of detecting suspended particles by measuring the level of light transmittance between two close points.
This awesome Weather Station DIY Kit -includes an anemometer, a wind vane, a rain bucket, DHT22 Sensor and a barometer – all in a FUNtastic DIY Kit. Wind Speed | Wind Direction | Rainfall | Temperature | Humidity | Pressure
This fancy little Non-Contact Digital Water Level Sensor uses clever capacitance to accurately measure water levels from the outside of a container.
The SEN0161 pH Sensor V2.0 is an Arduino compatible kit for quickly and accurately measuring pH levels for both hobbyist and professional applications.
This industrial-grade Analog pH Sensor comes in a Pro Kit for, to make it conveniently compatible with Arduino for ultimate ease-of-use.
This Industrial Grade pH Sensor Probe is armour-cased to ensure that it can withstand extended periods of use – ideal as a semi-permanent sensor.
The SEN0161 pH Sensor V1.0 by DFRobot is Arduino Compatible, and allows you to measure precise pH levels of acidic, alkaline and neutral solutions.
These Arduino-compatible Analog ORP Sensors effectively measure important criteria in water, like chlorine levels or other potentially harmful contaminations.
This unique Spear-tipped Analog pH Sensor Probe Kit is designed to measure soil, as well as other soft & semisolid samples, including fruit & meat!
This laboratory grade Analog Electrical Conductivity Sensor is a K-1 sensor for quick quality measurements of common liquids.
This Analog TDS Sensor is Arduino compatible and measures the total dissolved solids in water, for healthy hobbyists who like healthy water.
This Analog Capacitive Soil Moisture Sensor is perfect for monitoring moisture levels for gardening, farming or just “Garden Variety” experimentation.