Qus : Which parameter is taken through pulseln() in ultrasonic sensor?
Qusअल्ट्रासोनिक सेंसर में pulseIn() के माध्यम से कौन सा पैरामीटर लिया जाता है?
A. Voltage B. Frequency
C. Time Duration D. Distence
Solution
C. Time Duration
Explanation
<p><span style="letter-spacing: 0.01rem;">The duration of the echo pulse in microseconds (µs)</span></p><p><span style="font-size: 14px;">duration = pulseIn(echoPin, HIGH);</span></p><ul><li><span style="font-size: 14px;">echoPin → the pin connected to the Echo pin of the sensor</span></li><li><span style="font-size: 14px;">HIGH → measure the time the pin stays HIGH</span></li><li><span style="font-size: 14px;">duration → result is in microseconds</span></li></ul>