Abstract:

In order to ensure that the old travel safely and they can seek for help quickly when unexpected circumstances appear.Through the analysis of the remote location technology,according to the satellite positioning of the quickness and accuracy an intelligent positioning crutch is designed using MSP430F149 single chip as the core processor,GARMIN OEM(Orignd Equipment Manufactuce)  as the GPS(Global Positing System) chip,nRF905 as the wireless transceiver,Ampire12864 as the LCD(Liquid Crystal Display) monitor.nRF905 receive and send data,and display accurate position through the LCD.This increased security for the old's travelling.

Key words: wireless communication, intelligent crutches, help, MSP430 chip