DIY Water content/moisture Soil Sensor 80MHz operation based on 80MHz oscillator, RF peak detector IC's. Continuous developmentDesigned by vitor_market in Portugal
Final version ready to ship. Circuit protected with water proof molded case. Sensor totally water proof and can be buried. No more adjusts needed, just plug and play. It will be shipped final versi...Read More…
Final version ready to ship. Circuit protected with water proof molded case. Sensor totally water proof and can be buried. No more adjusts needed, just plug and play. It will be shipped final version!
A capacitive soil sensor capable of detecting water content / moisture of soil. Based on 80MHz operation transparent to minerals. Stable over many soils including biological soil. Very precise. Based on cylindrical field measuring. Ultra low power 25mA power consumption. 2.8V to 5V supply A simple soil sensor to get same precision of other high cost sensors on market. High quality four layer probe pcb (copper coplanar traces inside pcb, ultra durable probe, water proof, wear resistant (other moisture sensors use 2 layer pcb and scratch will expose outside copper damaging probe and unpredictable readings ))
Plants need care and precise sensor to measure water content of soil. Most soil sensors use low frequency (few KHz to few MHz) and get influenced by minerals/nutrients inner soil giving un-precise measurements and do not have any range (low frequency only measure near close to pcb, no range so measuring is non precise and influenced by minerals/nutrients available on soil). This one is low cost, low power, precise, non sensible to minerals availability on soil.
-See all pictures to better understand concept of volumetric(cylindrical) water content measure and mineral transparency linear graph at higher frequencies.
EU stock. Shipped from Portugal. Around 2week delivery
Contact for questions or ideas or if you have any question about electronics: vitomj at sapo.pt
Thank you for your time. Please see my other great items on my store Click here to visit my store
Also, check out my video from a wireless network of sensors and outputs project.
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Frederic | Sept. 10, 2018
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