Papers by Keyword: MSP430F149

Abstract: At present, the safety of explosion-proof protective device can't meet the need of the development of coal industry.The problems mainly display that the flameproof machine is easy to lead to the electric spark explosion which large current cause and is easily affected by underground distractions. The article puts forward a kind of intrinsically safe explosion-proof device which use related functions to eliminate interference. the device regard T I company production of ultra low power 16-bit MSP430F149 MCU as the core device which can automatically in real time detection of the leakage, overload, short circuit, over/under voltage, phase and other power grid fault and trip alarm.

Abstract: This article designed a portable granary thermometer to solve the shortcomings of present similar products ,such as complex structures , high performance price ratio and lack of flexibility , this thermometer used ultra-low power microcontroller MSP430F149 and programmable temperature sensor DS18B20 as the main components, it can collect, display and store the temperature on a real-time basis . Based on actual use, this apparatus possess the advantage of complete function, low power consumption, easy to operate, low price, portable and wide occasions of application etc.

Abstract: Based on the study of GSM/GPRS, the research works from special practicality and provides a set of automobiles GPS terminal system. This paper mainly introduces the design of software and hardware. The paper analyzes the correspondence of terminal system and the control center and gives the correspondence rules. It also introduces two display modes, LCD and Graph Matrix Display. The solution for new kind of automobiles terminal system based GPS is provided.

Abstract: In order to solve the existing problems of artificial monitoring transfusion treatment and enhance the automation level of the hospital care and management, a hospital infusion monitoring system is designed. Hospital infusion monitoring system adopts the structure of distributed computer control system, adopts RS485 bus to realize the communication between the upper computer and the lower computer. The lower computer uses MSP430F149 MCU as the core, implements the dripping speed detection, the drug liquid remaining amount detection, at the same time to adjust dripping speed by controlling the stepper motor. PC microcomputer as the monitoring center, accepts data that transmits from the lower computer, and displays, storages, analysises and statistics, at the same time controls the lower computer.

Abstract: Tire pressure monitoring system (TPMS) is used to monitor fast or slow tire pressure loss or too high tire temperature, and ensure the safety of the drivers and the passengers. A new kind of TPMS as the core of MSP430F149 microcontrollers is put forward, which based on Wireless Sensor Network. It adopts Infineon SP370 new sensor as the transmitter and TDA5220 as the receiver. The whole system scheme, hardware and software design are expounded in this paper. A low cost, low power consumption and high precision TPMS is studied, and the tire pressure and temperature can be immediately and real-time measured.

Abstract: This paper describes an automotive tire monitoring and warning system based on ZigBee wireless network. By using some components with ultra-low power like ZigBee network device, SP12 Sensor of Infineon which is made for TPMS application, MSP430F149 of TI Company, etc., the problem of inadequate service life of automotive tire pressure detection system is successfully solved. And the keyless door, automatic windows, automatic wipers, etc. of automobile are organized into an intelligent wireless network by applying ZigBee network. This paper describes the main components and provides the hardware diagram.

Abstract: A wireless data acquisition system based on MSP430F149 is developed for the measurement of microbial fuel cells’ voltage. The main function of this system is to convert the analog input voltage into digital output code, process the digital code, and transfer the data through the GSM network or the USB interface. The core of the data acquisition device is a 16-bit general purpose Texas Instruments ultralow-power microcontroller MSP430F149. As the voltage of a microbial fuel cell is very low, the A/D converter circuit is specifically designed for high precision and high accuracy. A real-time clock is used to achieve timing measurement and the time interval can be set to meet demands. The data collected is transferred through the GSM network. Besides, a Windows environment application developed with Visual C++ can be used to access the data stored in the flash memory through USB interface.