Software apps and online services
This project was built as the final deliverable for our Embedded System course.Introduction
The purpose of the project is to build a car tracker or similar item, that in case of theft (or in other cases, for example, loss) it can be used to determine the location of the object.Top-level Design
How to do this is to use a SIM card and GPS module, and we plan a microcontroller of the resin so that if you receive a specific message from a specific number, the location will be followed by the same number after a few moments.
This work can be done in two ways, the Internet (for example, a telegram robot) or, if not connected to the Internet, via SMS.
In this way, a telegram robot is created and a telegram account with the SIM card number in the module connects to that robot.
The user, by sending a special order to the robot, asks for the position of the device, this request is sent to the module via the Internet and, after processing by the researcher and the sender's authentication, is given to the GPS read command position and, finally, after determining the position of the program in the rescue routine tells the telegram to send this position through the Google map APIs inside the telegram.
In this way, the user will be notified of the position of the object at a short time and with just a click of a button.Hardware Design
First, connect the two antennas to the sim 808 module after connecting the converter (converter interface).
To connect the module SIM808 to the resin, we also do the following:
Connect one of the RX (RECEIVE) pins in the rescue unit to the TX (TRANSMIT) port of the SIM808 module,and also connect one of the TX (TRANSMIT) pin to the RX port (RECEIVE).
To supply the VCC module, connect the SIM808 to the 5v port in the (POWER) field and connect the GND (Ground) port to one of the Raspberry GND pins.
The final shapes of hardware for installation in the car.