LiFi (Light Fidelity) is a wireless communication technology that uses visible light communication (VLC) to transmit data. VLC is a type of optical wireless communication (OWC) that uses light as the ...
Light sensors are widely used in electronic applications. The most common one used is a photoresistor or light-dependent resistor. Despite a long response time, this sensor is inexpensive and useful ...
The ultrasonic sensors are placed on opposite sides of the road and are used to detect the presence of vehicles. The sensor sends out a pulse of ultrasonic sound and measures the time it takes for the ...
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