Emergency alert from Android Smartphones to social media

Water level sensor detector sends out SMS flood alerts to local residents in flood-prone areas. The system is programmed to send out alerts whenever water level in canals/monsoon drains hit 75%, indicating a "moderate" risk of flooding; then at above 90%, indicating a "high" risk. Design a system where the water level is monitored and when the water level exceeds certain threshold, an emergency twit with GPS location will be sent to those subscribed to the twitter feed.

Status

Todo

1. Install and run Python and DAQ diagnostic on Smartphone
2. Install and run Android SDK and DAQ diagnostic on PC
3. Run and observe SMS example
4. Run and observe GPS example
5. Modify GPS and SMS examples to send GPS info in URL via SMS so recipient can view map of location
6. Run and observe measure pressure example
7. Modify pressure code to measure water level
8. Modify code to send location, water level info via SMS when water level exceeds threshold
9. Run and observe twitter example
10. Modify code to send twitter when water level exceeds threshold

References

Measure Depth using Hydrostatic Pressure

The pressure at a given depth of water is due the weight of the water acting on a unit area at that depth plus any pressure acting on the surface of the water. This allows the water level to be derived by measuring the hydrostatic pressure.

Disaster Information Goes Social

Australia have unveiled an ambitious new revamp of the country’s national Emergency Alert telephone warning system. This revamp incorporates a “world-first” mobile emergency alert service, to be fully operational by November 2012, while tapping into carrier-class mobile communications networks. The location-based mobile emergency alert service will send warnings to mobile phones that are physically in an emergency zone when a disaster strikes.