GPS Tracking & SOS Emergency Panic Button System
Portable personal security tracker that sends real-time GPS coordinates via SMS when the emergency button is pressed.
Project Overview
Build a pocket-sized emergency beacon that obtains precise satellite GPS coordinates and sends automated SMS location links via GSM module.
Hardware & Protocol
- NEO-6M GPS receiver module parsing NMEA sentences ($GPRMC)
- SIM800L 2G/GPRS module for SMS transmission
- Instant one-touch Google Maps link generated and sent to contacts
- Deep sleep power optimization with hardware push button interrupt