By Charles Bell
Starting Sensor Networks with Arduino and Raspberry Pi teaches you ways to construct sensor networks with Arduino, Raspberry Pi, and XBee radio modules, or even indicates you the way to show your Raspberry Pi right into a MySQL database server to shop your sensor data!
First you'll find out about the differing kinds of sensors and sensor networks, together with the best way to construct an easy XBee community. Then you'll stroll via development an Arduino-based temperature sensor and knowledge collector, through development a Raspberry Pi-based sensor node.
Next you'll study other ways to shop sensor information, together with writing to an SD card, sending information to the cloud, and developing a Raspberry Pi MySQL server to host your facts. You even how to hook up with and have interaction with a MySQL database server without delay from an Arduino! ultimately you'll find out how to positioned all of it jointly by way of connecting your Arduino sensor node on your new Raspberry Pi database server.
If you must see how good Arduino and Raspberry Pi can get alongside, in particular to create a sensor community, then starting Sensor Networks with Arduino and Raspberry Pi is simply the e-book you wish.
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Additional resources for Beginning Sensor Networks with Arduino and Raspberry Pi
Along with that, there is a personal area network (PAN) address that can be used to logically group the radios in a network. Finally, all radios must be transmitting and receiving on the same channel (frequency). To recap, when an XBee radio wants to send a message to another radio, it must use the same channel and set the destination PAN and a specific 16-bit radio address. You see these options in action in the following sections. 27 Chapter 2 ■ Tiny Talking Modules: An Introduction to XBee Wireless Modules ZigBee Networks Like Ethernet networks, ZigBee networks are based on a predefined network stack where each layer in the stack is responsible for a specific transformation of the data messages.
Also set the Node ID to ROUTER to make it easier to identify. Figure 2-15 shows the configuration session for the router. 8 Does that number mean anything to you? Hint: IBM PC. 39 Chapter 2 ■ Tiny Talking Modules: An Introduction to XBee Wireless Modules Figure 2-15. Configuring the router Let the Chat Begin That’s it: you are ready to start the chat session. All you need to do now is return the modules to transparent mode by either using the ATCN command or simply waiting 10 seconds. Ready? If your terminal provides a clear function, clear the screen in both terminals and then try typing something in one terminal and see what happens.
Examine Figure 2-19 again. Notice the last packet received (hint: it begins with 7E). This is a receive packet (frame type 90). Go to the Digi API Frame Maker, and select this packet type. Notice that in the fourth byte you see the sender’s 64-bit address of 00 13 A2 00 40 8C CD 0F and its 16-bit address 83 91. ), you know this is the end device. This demonstrates yet another way to diagnose sent messages. Next let’s check the coordinator. You expect to see the data message sent from the end device (99 99), one sent from the router (77 77), and the broadcast message (88 88) also sent from the end device.
Beginning Sensor Networks with Arduino and Raspberry Pi by Charles Bell