Answer by Maria for Turn off power to a moisture sensor except when reading...
I use in my project the fully waterproof sensor SMT50 (see http://www.truebner.de/en/smt50). It is specified from 3.3V to 30V power supply with a current of around 3 mA, so that should be possible to...
View ArticleAnswer by MrFixIt87 for Turn off power to a moisture sensor except when...
I built a project very similar to this last winter to monitor moisture levels in the soil of plants that I was keeping over winter in my basement. I used GPIO pins to power the sensors similar to what...
View ArticleAnswer by MrSparkly for Turn off power to a moisture sensor except when...
Here are other anti-corrosion measures for moisture sensors I found:A moisture sensor with gold-plated electrodes: https://www.dfrobot.com/product-599.html#.UhflOL-N_H0Replacing metal electrodes with...
View ArticleAnswer by jose can u c for Turn off power to a moisture sensor except when...
If your sensor draws less than 40mA to operate, then you can safely "power" it from an GPIO pin.The related question also asks how long the sensor must be powered in order to get a stable reading. For...
View ArticleTurn off power to a moisture sensor except when reading values
I have an Arduino Uno and a moisture sensor (looks like a YL-69 clone) submerged in water. I need to read the sensor's (analog) value every 3 min or so. The problem is: the sensor is always powered by...
View Article
