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Liquid / Flow

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Analog Capacitive Soil Moisture Sensor- Corrosion Resistant
$14.90  
5 pc(s)
This product measures soil mositure levels by capacitive sensing, rather than resistive sensing like other types of moisture sensor. It is made of a corrosion resistant materal giving it a long service life. Insert it into soil and impress your friends with the real-time soil moisture data!...
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Analog pH Meter Kit For Arduino
$42.50  
3 pc(s)
Need to measure water quality and other parameters but haven't got any low cost pH meter? Find it difficult to use with Arduino? Here comes an analog pH meter, specially designed for Arduino controllers and has built-in simple, convenient and practical connection and features. It has an LED...
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Analog pH Meter Kit V2
$69.95  
1 pc(s)
DFRobot Gravity: Analog pH meter 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, and environmental water testing. As an upgraded version of pH meter V1 ,...
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Liquid Flow Meter - Brass 1/2" Nominal Threaded
$39.90  
1 pc(s)
Measure liquid/water flow for your solar, computer cooling, or gardening project using this handy basic flow meter. This sensor sit in line with your water line, and uses a pinwheel sensor to measure how much liquid has moved through it. The pinwheel has a little magnet attached, and there's a...
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Liquid Flow Meter - Plastic 1/2" NPS Threaded
$14.50  
5 pc(s)
Measure liquid/water flow for your solar, computer cooling, or gardening project using this handy basic flow meter. This sensor sit in line with your water line, and uses a pinwheel sensor to measure how much liquid has moved through it. The pinwheel has a little magnet attached, and there's a...
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Liquid Flow Meter - Plastic 1/2" NPS Threaded - Clear
$15.90  
2 pc(s)
Measure liquid/water flow for your solar, computer cooling, or gardening project using this handy basic flow meter. This sensor sit in line with your water line, and uses a pinwheel sensor to measure how much liquid has moved through it. The pinwheel has a little magnet attached, and there's a...
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Non-contact Liquid Level Sensor (Open Collector Output)
$19.95  
9 pc(s)
This non-contact liquid level sensor can be triggered when the liquid level fall below the sensor attached to the outside surface of a non-metal container. Unlike traditional liquid level sensors, it does not need to be immersed into liquid. So, in this way, liquid will not be contaminated...
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Non-contact Liquid Level Sensor (PNP Output)
$19.95  
7 pc(s)
This non-contact liquid level sensor can be triggered when the liquid level fall below the sensor attached to the outside surface of a non-metal container. Unlike traditional liquid level sensors, it does not need to be immersed into liquid. So, in this way, liquid will not be contaminated...
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Plastic Water Solenoid Valve - 12V - 1/2" Nominal
$10.50  
22 pc(s)
Control the flow of fluid using the flow of electrons! This liquid valve would make a great addition to your robotic gardening project. There are two 1/2" (Nominal non-taped National Pipe) inlet / outlet. Normally, the valve is closed. When 12VDC is applied to the two terminals, the valve...
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Soil Moisture /Temperature Sensor - SHT10
$59.95  
1 pc(s)
Take your gardening project to the next level with a SHT-10 based soil sensor. The sensor includes a temperature/humidity sensor module from Sensiron in a sinter metal mesh encasing. The casing is weatherproof and will keep water from seeping into the body of the sensor and damaging it, but...
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Soil Moisture Sensor
$9.90  
11 pc(s)
This soil moisture sensor can read the amount of moisture present in the soil surrounding it. It's a low tech sensor, but ideal for monitoring an urban garden, or your pet plant's water level. This is a must have tool for a connected garden! This sensor uses the two probes to pass...
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Soil Moisture Sensor - Long Probe
$15.90  
11 pc(s)
This Soil Moisture Sensor is used to measure the moisture in soil and similar materials. The soil moisture sensor is pretty straight forward to use. The two long exposed metal rods function as probes for the sensor, together acting as a variable resistor. The more water that is in the soil...
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Water Sensor - Large
$4.70  
14 pc(s)
This water sensor is designed to detect water, which can be used to sense water level and leakage. It works by using exposed copper traces to detect the presence of water droplets. The sensor board has a sensing area of 47 x 36mm. The on-board potentiometer is used to set the threshold for...
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Water Sensor - Small
$3.70  
27 pc(s)
This Water Sensor is designed for water detection, which can be used in sensing the water level and leakage. This sensor works by having a series of exposed copper traces which will turn on the transistor when water droplets shot the copper traces. This sensor works with the digital I/O...
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