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Design and Construction of an Experimental Setup to Enhance Mineral Weathering through the Activity of Soil Organisms

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A solar energy powered autonomous wireless actuator node for irrigation systems.

Rafael Lajara¹, Jorge Alberola, José Pelegrí-Sebastiá

¹Research Institute for Integrated Management of Coastal Areas, Universitat Politècnica Valencia, EPSG, C.Paranimf, 1, Gandía, Spain. jolaviz@doctor.upv.es

Sensors (Basel, Switzerland)

|February 21, 2012

Summary

This study presents a wireless, solar-powered actuator node for remote control of irrigation valves. The autonomous system utilizes supercapacitors and a synchronous protocol for low-power, maintenance-free operation in agricultural and garden settings.

Keywords:

actuator node agriculture irrigation systems autonomous sensor solar energy wireless sensor networks

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Area of Science:

Agricultural Engineering
Wireless Sensor Networks
Embedded Systems Design

Background:

Traditional irrigation systems often rely on wired infrastructure, limiting deployment flexibility and increasing maintenance.
The need for autonomous, low-power solutions in remote agricultural and horticultural applications is growing.

Purpose of the Study:

To design and present a fully autonomous, wireless actuator node (wEcoValve mote) for remote control of solenoid valves.
To enable solar-powered, maintenance-free operation for drip irrigation systems, reducing reliance on batteries and wiring.

Main Methods:

Development of a wireless actuator node based on the IEEE 802.15.4 standard.
Integration of a 3-lead magnetic latch solenoid for valve control.
Implementation of a solar power module with supercapacitors for autonomous energy management.
Firmware development utilizing a synchronous protocol for bidirectional communication with optimized latency.

Main Results:

The wEcoValve mote achieves an average power consumption of 2.9 mW.
The system enables remote, real-time open/close control of irrigation valves.
The solar-powered design with supercapacitors eliminates the need for batteries and wiring, ensuring autonomous and maintenance-free operation.
A node synchronization time of 4 seconds was achieved.

Conclusions:

The developed wEcoValve mote offers a robust, autonomous, and wireless solution for irrigation control.
This technology facilitates easier deployment and reduces operational costs in agricultural, greenhouse, and garden applications.
The system's low power consumption and maintenance-free design make it ideal for sustainable and remote irrigation management.