दिखाए गए अनुसार Arduino के साथ एक LED इंटरफ़ेस का तात्पर्य है:
A LED interfacing with Arduino as shown implies:
digitalWrite (led_pin, LOW);
digitalWrite (led_pin, HIGH);
A
LED off and on
B
LED off and on by varying VCC
C
Can introduce delay for better o/p
D
All of these
Explanation
Correct Answer: A) LED off and on
