It also continuously monitors the ultrasonic sensor to detect physical obstacles and trigger alerts independently if needed. In the EchoSight repository, the file node.cpp contains the complete ...

The system prototype integrates the Internet of Things (IoT) technology, NodeMCU ESP8266 (microcontroller), Ultrasonic Sensor HC-SR04 (vehicle detector sensor in parking area), IR obstacle sensor ...

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The aging population faces significant risks from falls, often leading to fractures, head injuries, and extended hospitalization. To mitigate these dangers, an integrated solution combining fall ...