Energy Harvesting for Sensor Nodes in the Internet of Things
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Wireless sensor networks have an extensive range of applications in the real world.From military uses saving lives, to environmental applications monitoring the faunaand weather conditions, but also by checking the health of patients and even by automatingour homes. This work presents a solution to implement an energy harvestingsensor network. By using solar energy to power a sensor node we can extend its lifetimebeyond the one powered only by batteries. Moreover, this solution attempts to beenergy efficient and to achieve a communication scheme in order to create a sensornetwork where nodes read environmental data and transmit back to a sink node. Thecommunication scheme was successful to synchronize two nodes and transmit packetsbetween them without collisions and avoiding loss of data due to lack of energy.Furthermore, the duty cycling algorithm allowed the node to operate at its maximumperformance level, making the best use of its energy available without depleting it.