Which parameter is taken through pulseln() in ultrasonic sensor?

A. Voltage वोल्टेज

B. Frequency फ्रीक्वेंसी

C. Time Duration समय अवधि

D. Distence डिस्टेंस

Correct Answer is :

C. Time Duration

Explanation

The duration of the echo pulse in microseconds (µs)

duration = pulseIn(echoPin, HIGH);

• echoPin → the pin connected to the Echo pin of the sensor
• HIGH → measure the time the pin stays HIGH
• duration → result is in microseconds