Battery-less sensor nodes for 802.15.4/ZigBee wireless networks

Marcel Meli & Marcel Da Silva
Battery-free wireless sensor nodes are very convenient in many applications. They eliminate the costs associated with installing batteries and reduce maintenance headaches. For these reasons, they are gaining in popularity. Such devices usually require the use of an energy source that harvest power from the surroundings. Because of the necessity of harvesting energy and the related costs, there are limitations to the kind of application and wireless protocol that can successfully be implemented, especially when...