The following thesis aims to present wireless sensor networks and to pro-
pose a design as well as construct a practical example of one such network.
The thesis addresses the matter in two parts with the theoretical part being
followed by the practical part. The theoretical part describes and denes
wireless network sensors, along with problems occuring while designing and
building these networks. Firstly, the Zolertia Z1 module and platform, used
in the practical part, are presented in theory, followed by a description of op-
erating systems and programming of wireless sensor networks with emphasis
on two of the most commonly used operating systems TinyOS and Contiki,
both of which are tested and brie
y compared. In the practical part of the
thesis a prototype of a wireless sensor network is set up. The prototype
network gathers temperature data, which is then displayed by means of a
smartphone application.
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