I am tring to make an AVL (Automatic Vehicle Locator) using SIM300DZ GSM Module and Holex M89 GPS Module via a PIC18 u-controller can anyone help me implimenting at commands? Has anyone done a similar project before...Kindly help
u can search there are many topics already running for at commands, and if you have any trouble understanding or implementing AT command you can ask here.. for that particular commad.. Also u can read the data sheet to get a better understanding..