Arduino soil moisture data logger for extended remote usage

This is a simple soil moisture data logger using an Arduino Uno with a power-controller circuit to regulate connection between a battery pack and the Arduino. It has a battery life of months and is suited for remote data collection.
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Created: 2019/04/17 23:08
Updated: 2024/08/22 16:05
Forum topic

Simple DIY data loggers with no custom PCBs

We've published a paper about these in Sensors [ http://www.mdpi.com/1424-8220/18/2/530  } (open access, free pdf download) describing how we use these in caves and underwater, but we also use them on the surface in weather stations for atmospheric conditions, etc. These are stand alone loggers, and are relatively simple devices compared to the Pi-based wireless FIDO's that people have already been talking about in the FarmHack forums. So no text messages, etc.