When the sensor detects that the moisture content is already below 30%, it sends a signal to the Arduino, which, in turn, activates a water pump to provide hydration to the plant.

Build an Automatic Plant Watering System from Plastic Bags and Thread. Alan Henry August 29, 2013 Comments. Alan Henry. If you're ... you could build this arduino based system.

This Arduino-powered system automates watering while collecting real-time data on soil moisture, ... Arduino Garden Controller - Automatic Watering and Data Logging. Posted: June 3, ...