An Arduino Micro based automatic plant watering system.
1. Capacitive soil moisture sensing
2. Configurable minimum and maximum soil dryness setting
3. Water overflow sensing
4. Reservoir water level sensing
5. ESD protection on external sensors
6. Reverse and over voltage protection
7. Over current protection
This project is Auto Watering, light control for indoor plants with 328PU or Arduino. The auto water part is working with the sensors in water reservoir. Adding light control is on its way.
Code is at:
This is a simple circuit powered by a 741opamp. The relay does the switching of the pump or adapter of the water pump. It's a 230V/12V switching relay. Here you can find the schematic and the PCB layout also.