Biswajit Roy
Published © GPL3+

Lastleaf - IoT Service for Vehicles During Accidents

Lastleaf rescues from road accidents by sending automated SOS using Raspberry Pi, Android application, Soracom service and Internet.

IntermediateFull instructions provided4 hours423

Things used in this project

Hardware components

Android device
Android device
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Raspberry Pi Zero Wireless
Raspberry Pi Zero Wireless
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Ultrasonic Sensor - HC-SR04 (Generic)
Ultrasonic Sensor - HC-SR04 (Generic)
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SORACOM Air Global IoT SIM
SORACOM Air Global IoT SIM
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USB Connector, OTG
USB Connector, OTG
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Huawei MS2131i-8
https://consumer.huawei.com/solutions/m2m-solutions/en/products/tech-specs/ms2131-en.htm
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USB-A to Mini-USB Cable
USB-A to Mini-USB Cable
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Software apps and online services

Raspbian
Raspberry Pi Raspbian
SORACOM Air IoT Connectivity Platform
SORACOM Air IoT Connectivity Platform
Firebase
Google Firebase

Story

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Code

Lastleaf android application

Android application that generates beacons (Apple iBeacon Std.) and sends GPS (Lat | Lon) information as payload and an associated raspberry pi client does processing on the data. The app uses Bluetooth Low Energy technology to transmit data which is more economical than Bluetooth and doesn't requires the hassle to set up peer to peer connection.

Lastleaf raspberry pi software

Raspbian service developed in Go & Python, that monitors iBeacons in close vicinity and gathers location data, processes them to help medical teams reach appropriate destination during a vehicle mishap. Also responsible for sending SOS to registered clients and sends device health status to server using 2G/3G Cellular connectivity.

Lastleaf server side utility

Server side utility for Lastleaf IOT Device that logs device data and android application performance to improve future versions. Remotely logs device health status and metrics to log missing vehicle. Capable of mass messaging using Firebase InApp Notifications. Can handle accidents with care.

Credits

Biswajit Roy

Biswajit Roy

1 project • 0 followers
Computer Science Undergrad. Fossasia Contrib. Mentored @ Facebook Developer Circles, DL. Hacks @ AngelHack, TATA Crucible, Directi CodeChef.

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