This book provides a thorough introduction to the Texas Instruments MPS430 microcontroller. The MPS430 is a 16-bit reduced instruction set (RISC) processor that features ultra low power consumption and integrated digital and analog hardware. Variants of the MPS430 microcontroller have been in production since 1993. This provides for a host of MPS430 products including evaluation boards, compilers, and documentation. A thorough introduction to the MPS430 line of microcontrollers, programming techniques, and interface concepts are provided along with considerable tutorial information with many illustrated examples. Each chapter provides laboratory exercises to apply what has been presented in the chapter. The book is intended for an upper level undergraduate course in microcontrollers or mechatronics but may also be used as a reference for capstone design projects. Also, practicing engineers already familiar with another microcontroller, who require a quick tutorial on the microcontroller, will find this book very useful.

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  • Honore Bizagwira
  • Joel Toussaint
  • Michel Misson Michel Misson

Estimating a radio link quality for WSNs 'Wireless Sensor Networks' becomes a big challenge when these networks are deployed in harsh or hostile environment. The quality of a radio link is a useful information for higher layer protocols as it has an impact on the network performance. The harsh or hostile outdoor conditions have a strong impact on signal propagation and make communication difficult or unreliable. Hence, deploying a wireless sensor network in such an environment requires a full knowledge of radio channel characteristics provided by the hardware designed to tackle the deployment. This paper describes a novel experimental testbed platform and a method to estimate the radio link quality and to determine WSN deployment parameters by using nodes shaped to the monitored site. The objective is to design a platform, independent from the environment, that can be used to estimate the radio link quality independently from the deployment context. This SDR 'software defined radio' based solution will be used in this paper to estimate the parameters of an overwater radio link.

  • Yu Zhang
  • Jing Zu
  • Dongxing Pei

In order to measure the chamber pressure of small caliber artilleries, a miniature internal electronic pressure gauge is designed, which adopted low power technology and miniaturization technology and storage testing technology. The working principle and the hardware design process of the gauge are described. The gauge is an intelligent pressure sensor system. The gauge is powered by battery, low power consumption, easy handling, high precision, high accuracy, and high reliability and can be reused. The gauge is used to test weapon chamber pressure which caliber greater than 57mm Dynamic calibration method based on the testing environment is proposed, the chamber pressure generator is developed; it can simulate the environments of artillery firing. Dynamic calibration system is established, the whole structure and working principle of the system is introduced. The necessity of environmental factors calibration is analyzed. The test data show that the static sensitivity coefficients and dynamic sensitivity coefficients are different. The data of the pressure gauge that have been calibrated have better stability and high confidence level. Accurate and reliable test data provides the important basis for assessing artillery, charge structure and ballistic performance.

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