Why measure EC (Electrical Conductivity) ? The salinity of the soil, irrigation water systems or f..
Need to measure water quality and other parameters but haven't got any low cost pH meter? Find it ..
The Grove - Flame Sensor can be used to detect fire source or other light sources of the wavelengt..
This Moisture Sensor can be used to detect the moisture of soil or judge if there is water around ..
This water sensor module is part of the Twig system. This sensor works by having a series of expos..
This is a dust sensor that detects the dust particle concentration in air..
PM2.5 laser dust sensor is a digital universal particle concentration sensor，it can be used to obt..
The Light sensor module uses the GL5528 photoresistor to detect the light intensity of the environ..
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