Wireless sensor network wsn refers to a group of spatially dispersed and dedicated sensors for monitoring and recording the physical conditions of the environment and organizing the collected data at a central location wsns measure environmental conditions like temperature sound pollution levels humidity wind and so on.
Building a wireless temperature sensor network part 1.
In part 2 we focus on powering our wireless sensor node.
In part 6 we look at the final hardware design we switch to the tmrh20 library for the nrf24l01 and we look at a library wrapper that makes getting started with your own wireless sensor network.
Raw waveform the temperature sensor is the simplest so let s take it down first.
In part 4 of building a wireless sensor network with the nrf24l01 we take a look at the design s pcb layout in eagle software as well as cover some software.
The package includes a receiver display unit and a transmitter which sends a temperature reading every 1 to 2 minutes.
Temperature sensor edge nodes 1 edge node per room with up to 4 temperature sensors each the temperature sensor network consisted of one edge node with one xbee per room in my apartment but the system is designed so that you can start with one or two edge nodes and expand later if necessary.
What i have at hand is an acu rite 00782w3 indoor outdoor temperature sensor.
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In part 5 of building a wireless sensor network with arduino and the nrf24l01 transceiver we take a look at our brand new pcb boards and look at the code for adding the ds18s20 and the stts751.