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Dependencies: GPS MODSERIAL mbed-rtos mbed
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SMS based GPS tracker¶
Currently the GPRS shield is switched on manually, and should be done about 10 seconds before powering the mbed/GPS in order to disable echo properly during start up. This could easily be fixed by switching the GPRS shield with the mbed at start up, waiting the 10 seconds, set the echo then flush the buffer.
The mbed can read all 160 ASCII chars sent in a message for control.
The Seeed GPRS shield http://www.seeedstudio.com/depot/gprs-shield-p-779.html?cPath=132_134
The Adafruit Ultimate GPS http://www.adafruit.com/products/746