mBuild Soil Moisture

mBuild Soil Moisture
CHF8.41 *
Content: 1 Piece

Prices incl. VAT plus shipping costs

Normally on Stock,
Delivery time appr. 1-3 workdays

Quantity
  • MB-P3030009
  • MakeBlock
  • P3030009
  • 6928819512535
  • 2
There are two typical types of soil moisture sensors, the capacitive one and resistive one. The... more
Product information "mBuild Soil Moisture"

There are two typical types of soil moisture sensors, the capacitive one and resistive one. The capacitive type measured the change in capacitance caused by soil moisture to estimate the humidity of the soil . The resistive type is based on measuring the magnitude of the resistance between the two contacts to estimate the soil moisture.

The strict definition of soil moisture is the percentage of the mass of water in the soil. Therefore, neither the resistive nor the capacitive type can accurately predict the water content in the soil, but only the reading value, which is positively correlated to the water content.

The soil moisture sensor in mBuild is resistive types. When the soil moisture is increased, the water can dissolve the ions contained in part of the soil, so that the resistance of the soil becomes smaller, and therefore the reading value of the soil moisture sensor will become larger. When the water content in the soil is further increased (in the case of extremes, it is imagined to throw some soil into the water), the ion concentration in the soil will be diluted by excess water, resulting in a decrease in electrical conductivity and a high resistance value. Therefore, you will find that the soil moisture sensor will read less in pure water than in wet soil (although the former has a significantly higher water content) because the ion concentration in the moist soil is higher and the resistance is higher. small.

Parameters

  • Size: 24×72mm
  • Range value: 0~100
  • Precision: ±5%
  • Operating current: 14mA
Related links to "mBuild Soil Moisture"
Eigenschaften ansehen more
properties "mBuild Soil Moisture"
grade: Diploma/ Vocational/ Uni, Middle years
Data Logging Interfaces: Cyber Pi, Halocode, mBot2
Subject: Biology, Science
Hersteller MakeBlock
mBot is an all-in-one solution to enjoy the hands-on experience of programming, electronics,... more
Supplier information "MakeBlock"
MakeBlock

mBot is an all-in-one solution to enjoy the hands-on experience of programming, electronics, and robotics. Working with mBlock inspired by Scratch 2.0, connecting with computers or smart devices via Bluetooth or 2.4G (by different version), this easy-to-assemble mBot provides infinite possibilities for you to learn STEM (Science, Technology, Engineering, Mathematics).

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