Floods are becoming a common threat to all regions of Kazakhstan, especially during
the springtime, when snow melts rapidly and leads to rapid increases in river levels for
which there is not enough time to act quickly. In order to solve this problem, we have
designed an inexpensive and independent Early Flood Warning System, which monitors
the environment and sends instant warnings before hazardous water levels occur.
The system is able to measure the water level with the help of two different sensors – an
ultrasonic sensor and a resistive water level sensor. Additional information about
temperature, humidity, atmospheric pressure, and soil moisture provides data about
conditions for a possible flood occurrence. The data received from all sensors is
transmitted to the Arduino/ESP32 microcontroller, where all data is analyzed and
warnings are sent if danger occurs.
After installing this system, its work is fully automated, it collects all necessary data,
processes it and instantly notifies about danger via the Telegram Bot. No special
knowledge is required during installation; an easy-to-follow guide will explain
everything. Additionally, in order to get a bigger map of all possible threats to the
country, NASA satellite data are used for monitoring of snow cover, precipitation, and
rivers.
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Manager for Stockholm Junior Water Prize

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