| Summary: | Wireless sensor networks have found a great deal of applications in diverse areas. Recent interest has been focused on low-power feature of the sensor nodes because the power consumption is always an issue for wireless sensor nodes which are supplied from the batteries. The eZ430RF2500 Development Tool and MSP430FG4618/F2013 Experimenter Board from Texas Instruments have integrated MSP430 family of ultralow-power microcontrollers and CC2500 low-power wireless RF transceivers which are suitable for low-power, low-cost wireless applications. In this thesis, the features of these TI devices are explored and a wireless sensor network is implemented with these devices. To implement the routing algorithms we have assumed a hierarchical architecture, where one (slave) experimenter board serves as the access point for a number of sensor nodes. A master board controls the slave boards. Multiple access control protocols are developed using the features of these devices, using channelization and polling. Energy efficiency of the wireless sensor network is also addressed by using the wake on radio feature of the devices. An application of this wireless sensor network is described in this thesis which is to measure temperature of several rooms in a building and display all the temperature data on a PC.
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