AN ARDUINO-BASED SPEED LIMIT ALARM SYSTEM USING IR SENSOR
Abstract
ABSTRACT
The main aim of this work is to build a speed detection system for vehicles on the highway. Accidents due to rash driving on highways are on the rise and people are losing their lives because of others' mistakes. It is necessary to solve this problem through an electronic circuit. This work describes an over-speed detection system for vehicles. **The system is designed using two IR sensors placed a fixed distance apart and an Arduino UNO microcontroller that calculates vehicle speed based on the time interval between sensor activations. It performs reliably by displaying real-time speed on an LCD and triggering an audible alarm when the preset speed limit (50 km/h) is exceeded.** This system will come in handy for highway traffic police as it will not only provide a digital display of a vehicle's speed but also sound an alarm when the vehicle exceeds the speed limit for the highway.
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