Arduino-based solar powered auto-irrigation system Online publication date: Fri, 28-May-2021
by Arka Das; V. Ananthakrishnan; G. Kanimozhi; O.V. Gnana Swathika
International Journal of Agricultural Resources, Governance and Ecology (IJARGE), Vol. 16, No. 3/4, 2020
Abstract: With agriculture being the primary economic sector of India and other developing countries, it is the urge of the hour to automate it in order to increase efficiency automation significantly, moderates the amount of manual labour, and makes farming easier and faster, resulting in more agricultural growth. This paper proposes the three major works in the agriculture field: the dual-axis sun tracking system for power generation to the optimum level and storing the energy in a battery which will power the auto-irrigation system. The pumps are analogised with DC motors and the whole system is controlled by Arduino. The speed of motor is controlled manually by a pulse width modulation wave generated by an operational amplifier multi-vibrator circuit. The soil moisture sensors, IR sensors and water level sensors are interfaced with Arduino to provide information about the prevailing environment conditions on the basis of which the microcontroller take necessary decisions about turning on or off of DC motors.
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