DETAILED EXPLANATION OF SYSTEM OUTPUTS

  1. Water Level

The system continuously monitors the water level around the boat using ultrasonic sensing technology. By measuring the distance between the sensor and the water surface, it determines whether the water level is normal or rising dangerously. This helps in predicting conditions like high waves, flooding, or unstable water flow that could affect the boat’s balance and safety.


  1. Ground Level (Depth Level)

The ground level indicates the depth of water beneath the boat. The ultrasonic sensor sends signals downward and measures how long they take to return. This helps the system detect shallow areas, rocks, or sandbanks. By knowing the depth, the operator can avoid running into underwater surfaces that may damage the boat.


  1. Obstacle Detection

Obstacle detection is one of the core safety features. The system identifies any underwater or nearby objects—such as rocks, debris, floating logs, or hidden structures—that could collide with the boat. When an obstacle is detected, the system alerts the operator in real-time on the display, allowing them to take immediate action to avoid accidents.


  1. Boat Status (Safe / Not Safe)

The system analyzes several parameters such as:

Wave height

Wave pressure

Water level

Obstacles detected

Ground (depth) level

Based on this data, the ESP32 decides whether the current conditions are safe or not safe for navigation. This status is shown on the LCD screen.

Safe: When conditions are stable, water level is normal, and no obstacles are detected.

Not Safe: When waves are high, obstacles are present, or the boat is in a shallow or risky zone.

This gives the operator a simple, clear understanding of their safety at any moment.


  1. SOS Alert

The system includes a dedicated SOS button for emergency situations. When pressed:

An emergency alert is immediately sent via GSM (SRO800) to authorities or rescue teams.

Nearby boats using LoRa communication can also receive the warning.

GPS coordinates of the boat are included in the message, helping rescuers reach the exact location quickly.

This feature ensures that help can be requested instantly during dangerous or life-threatening situations.

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Built With

  • battery
  • button
  • display
  • esp32
  • gps
  • gsm-sro40
  • gsm-sro800
  • lcd
  • lora
  • module
  • power
  • sensor
  • sos
  • ultrasonic
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