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A ZigBee wireless sensor network was developed for monitoring an experimental aquaculture recirculating system.
Temperature, dissolved oxygen, water and air pressure as well as electric current sensors were included in the setup.
The high fish densities required in these systems to become economically viable present a case where sensor
networks can be applied to preserve a healthy livestock and to reduce the risk of failures that end up in the loss of
production. Modules for reading and transmitting sensor values through a ZigBee wireless network were developed
and tested. The modules were installed in an aquaculture recirculating system to transmit sensor values to the
network coordinator. A monitoring program was created in order to display and store sensor values and to compare
them with reference limits. An alert is emitted in case reference limits have been reached. E-mail and an SMS
message alert can also be sent to the cellular phone of the system administrator, so immediate action can be taken. A
web interface allows Internet access to the sensor values. The present work demonstrates the applicability of ZigBee
wireless sensor network technology to aquaculture recirculating systems.