It uses GPRS and GPS technologies which allows to easily perform realtime tracking. Here idea is simple: read the GPS coordinates (longitude and latitude) and send them by using HTTP request to a web server. Then use a web browser to load the PHP webpage which uses GOOGLE MAPS to show the location in realtime.
Embedded Async Serial Commander. Implements low lvl embedded API to send and work with any cmd in various ways without OS on any hardware
Waveshare GSM/GPRS/GNSS HAT (SIM868) controller for Raspberry Pi
Android App for https://github.com/doorbash/gps-tracker
GPS tracker made with Arduino and sim868. Backend: https://github.com/doorbash/gps-tracker-backend
Backend for https://github.com/doorbash/gps-tracker. Android App: https://github.com/doorbash/gps-tracker-android
A sim868 controller and an answer machine build on top of that
ESP-IDF firmware for SIM868 safety band with dynamic NVS emergency routing
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