Getting Started with the Internet of Things: Connecting by Cuno Pfister PDF

By Cuno Pfister

ISBN-10: 1449393578

ISBN-13: 9781449393571

What's the net of items? Its billions of embedded pcs, sensors, and actuators all attached on-line. in case you have uncomplicated programming abilities, you should use those strong little units to create a number of helpful systems—such as a tool that waters vegetation whilst the soil turns into dry. This hands-on advisor indicates you ways to begin construction your individual enjoyable and interesting projects.
Learn to application embedded units utilizing the .NET Micro Framework and the Netduino Plus board. Then attach your units to the net with Pachube, a cloud platform for sharing real-time sensor facts. All you wish is a Netduino Plus, a USB cable, a few sensors, an Ethernet connection to the Internet—and your imagination.
•Develop courses with easy outputs (actuators) and inputs (sensors)
•Learn concerning the net of items and the internet of Things
•Build consumer courses that push sensor readings from a tool to an online service
•Create server courses that let you keep watch over a tool over the Web
•Get the .NET periods and strategies had to enforce the entire books examples

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Figure 6-3. Network Configuration in MFDeploy To check whether the configuration works correctly, run the Hello­ Pachube client program described next. 6/Hello Pachube 47 HelloPachube Now that your Netduino Plus is ready to access the Internet, we can look at a first version of a Pachube client. Its source code is given in Example 6-1. Example 6-1. Sleep(delay); } } To run the program, follow these steps: 1. Make sure that your Netduino Plus is connected to your Ethernet router and that it is correctly configured for network access (see the previous section).

Architecture of LightSwitch LightSwitch The program LightSwitch (Example 3-1) reads the current switch state periodically and copies it to the LED. This is done frequently enough that a user does not detect a delay when she opens or closes the switch. Delays of 1/10th of a second or less are undetectable by humans; therefore, the loop is executed every 100 milliseconds. NOTE:  A value read from a sensor—in this case, the switch or button—is called a measurement or sample. The time span between two subsequent measurements is called the sampling period.

So you are probably most familiar with interaction pattern 2 because this is the way web browsers work. , on scenarios 1 and 2). , to set up an actuator or to reconfigure a sensor), it makes sense to support devices as servers as well. Therefore, I will discuss scenarios 3 and 4 in Part III. I believe that the potential of the Internet of Things will only be realized if devices can become clients, servers, or both. 4/The Internet of Things 35 5/Pachube Imagine that your Netduino Plus uses a sensor to take measurements periodically.

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Getting Started with the Internet of Things: Connecting Sensors and Microcontrollers to the Cloud by Cuno Pfister


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