Soil Humidity / Moisture Sensor (New Type – Capacitive Sensor)
A soil moisture sensor can read the amount of moisture present in the soil surrounding it. It is ideal for monitoring garden, or your plant’s water level. This is a must have tool for a connected garden.
This new type capacitive soil humidity sensor differs from other resistive sensors, adopting capacitive sensing principle to detect soil humidity. Since the circuit is not exposed at the detected end, the corrosion problem of sensor is avoided, increasing the sensor operating life and measurments accuracy.
The built-in chip supports 3.3~5.5V working environment, Arduino, ESP32, micro:bit and controller. As to mini PC, you need an ADC module (analog signals are converted into signals).
EGP560.00
Specification
- Working voltage:Â 3.3 -5 V
- Working Current: <5ma
- Output: Analog signal
- Output voltage signal: 0~3V
- Working Temperature: 1℃~50℃
- Size:Â 23.8mm x 83mm
- Arduino compatible interface
- Low power consumption
- High sensitivity
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A soil moisture sensor can read the amount of moisture present in the soil surrounding it. It is ideal for monitoring garden, or your plant’s water level. This is a must have tool for a connected garden.
This sensor uses the two probes to pass current through the soil, and then it reads that resistance to get the moisture level. More water makes the soil conduct electricity more easily (less resistance), while dry soil conducts electricity poorly (more resistance).
It will be helpful to remind you to water your indoor plants or to monitor the soil moisture in your garden. The IO Expansion Shield is the perfect shield to connect this senor to Arduino.
The new soil moisture sensor uses Immersion Gold which protects the nickel from oxidation.
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You simply need to immerse the CO2 probe directly into the environment you want to monitor, whether it’s a fish farm pond, a lake, the open sea, in a bioreactor, or a manufacturing process. The sensor then provides a continuous measurement of the partial pressure of dissolved CO2 in water.
This smoke sensor module with MQ2 Smoke sensor have both digital and analog outputs , you also can adjust the sensitivity with the potentioneter.
