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Crash Detection in Android- NekInsan

How It Works:

The system uses data from multiple sensors on the device to determine if a severe collision has occurred.

• Accelerometer and Gyroscope: These sensors measure sudden, high-force changes in acceleration and orientation. A rapid, sharp change in speed from high to zero is a key indicator of a crash.

• GPS: The GPS sensor tracks the vehicle's speed and location. A sudden stop from high speed is a strong data point for a potential crash. The location data is also crucial for emergency responders.

• Microphone: The device's microphone can listen for sounds characteristic of a crash, such as breaking glass, the deployment of airbags, or the crushing of metal. This audio data helps confirm an event.

• Barometer: A sudden change in air pressure can indicate that an airbag has deployed, providing another layer of confirmation for the crash detection algorithm.

By combining these data points, the phone's algorithm can determine with high accuracy if a crash has happened. If a crash is detected, the phone will typically display an alert and sound an alarm. If the user does not respond within a set time (e.g., 60 seconds), it will automatically call emergency services and provide them with the user's location. It can also notify pre-selected emergency contacts.

NekInsan App for Crash Detection:

Car Crash Detection (for user safety)

This feature is designed to help users in an emergency. It uses a combination of data from various sensors to determine if a crash has occurred:

• Accelerometer: Detects sudden changes in motion and impact. A sudden, sharp change in acceleration or deceleration is a key indicator of a collision.

• GPS: Tracks the vehicle's speed and location. A rapid drop from a high speed to zero is a strong signal of a crash.

• Microphone: Can listen for the sounds of a collision, such as breaking glass or the crumpling of metal.

• Activity Recognition API: Helps the phone understand if the user is in a vehicle in the first place, which is crucial for preventing false alarms.

You can buy the stickers directly from the official website or major e-commerce platforms. They typically come in packs of 3 or 6.

• Official Website: nekinsan.com/products (Often offers up to 50% off).

• E-commerce: Available on Amazon and Flipkart (search for "NekInsan Safety QR").

• Pricing (Approximate):

  • Car Safety Pack: ₹599 (Pack of 3)

  • Bike Safety Pack: ₹549 (Pack of 3)

  • Combos (Car + Keys + Mobile): ~₹999

2. Setting Up the App & Emergency Contacts

Once you have your stickers, download the Nek Insan: Safety QR SOS Alert app from the Google Play Store or Apple App Store.

Step-by-Step Configuration:

1. Register: Sign up with your mobile number.

2. Permissions (Critical): * Set Location to "Always Allow."

   • Enable "Display over other apps" (this allows the siren to bypass the lock screen on your family's phones).

   • Disable "Battery Optimization" for the app so it stays active while you drive.

3. Add Emergency Contacts: * Go to Profile or the Menu icon.

   • Tap on Emergency Contact or Family Numbers.

   • Add 3 to 5 trusted people. These are the individuals who will receive the siren and location if your QR is scanned or if you trigger an SOS.

3. Linking Your Stickers

Before you stick them on your vehicle, you must link them to your profile:

1. In the app, tap "Register Sticker" (usually in the bottom menu).

2. Scan the unique QR code on your new sticker using the app's scanner.

3. Enter your Vehicle Number or a nickname (e.g., "My Red Swift") when prompted.

4. Affix the Sticker: Clean your windshield or helmet surface and apply the sticker in a highly visible spot.

4. How to Test the System

It is a good idea to do a "dry run" with a family member:

• Ask a friend to scan your QR code with their phone camera.

• They should select "Emergency" or "Accident."

• Check if your family members receive the Siren Alert and the GPS Map Link on their phones.

When a crash is suspected, the phone typically vibrates, sounds an alarm, and displays a message asking if the user needs help. If the user doesn't respond within a set amount of time (e.g., 60 seconds), the phone can automatically call emergency services and send an alert with the user's location to pre-selected emergency contacts.