Abstract
Terengganu received heavy rainfall during the Northeast monsoon which strikes between October and March thus can leads to severe floods almost every year all over the state. The floods around Dungun area of Terengganu state was due to the combination of physical factors such as elevation and its close proximity to the sea apart from heavy rainfall received during the monsoon period. A flood warning system is designed to warn and alert the owners of the vehicle about the flood immediately. The system will detect water level through an ultrasonic sensor and will automatically send a notification via IoT technology to the owner's smartphone through the Blynk Application. A water level sensor will be set at two points which is at 0.05m and 0.09m from ground level. When the water reaches this point, it will light on LED and trigger buzzer that acts as an alarm to alert both owner and authorities. Alerting signs of water level are notified on the Blynk application that was connected through ESP8266 Wi-Fi module via IoT teechnology.
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