Source code for Automatic Irrigating System by using PIC16F877A with soil moisture sensor

Abstract

Water is a very precious resource and must be properly utilized. Agriculture is one of those areas which consume a lot of water. Irrigation is a time consuming process and must be done on a timely basis.

The aim of the article is to develop an auto irrigation system which measures the moisture of the soil and automatically turns on or off the water supply system.

The project requires very less human involvement once installed. The circuit is based on PIC microcontroller and also a soil moisture sensor.

A properly configured soil moisture sensor can save up to 60 percent of water used in irrigation. The designed system can be used in turf grass or with small garden plants.