Exam (elaborations)
ARDUINO LAB EXAM QUESTIONS AND ANSWERS
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ARDUINO LAB EXAM QUESTIONS AND ANSWERS...
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The Line tracking sensor is based on...1)-
2)-
3)- - ANSWER 1) Transmitting a signal in the form of infrared radiation.
2) Receiving infrared signals.
3) A change in electrical resistance when sensing a different color.
The sensitivity of the line tracking module can be adjusted by? -
ANSWER Adjusting the potentiometer on the sensor.
The KY-033 line tracking module can be used to ?
1)
2)
3) - ANSWER 1) Follow a line
2) Stay inside a line
3) Detect different colors
The commands that can be used to read the output of the KY-033 line
tracking module are? - ANSWER digitalRead() or analogRead()
Which of the following statements regarding the servo pins is(are)
correct?
a) Brown line for signal, red for power supply and orange for GND.
b) Brown line for GND, red for power supply and orange for signal.
c) Brown line for GND, red for signal and orange for power supply. -
ANSWER B
Which of the following are specifications of servo motor SG90 are
correct ?
a) The rotation angle ranges 0 - 180°.
b) It has a reference circuit that produces a basic voltage.
, c) The rotation angle ranges 0 - 360° .
d) It has three controlling lines. - ANSWER A, B, and C are correct.
In lab 7 If an obstacle is detected, the first response that the car does
should be? - ANSWER fully stop
A pulse width of 1.5 ms gives an angle of.... - ANSWER 90 degrees
Which two pins does the Servo library support for servos? - ANSWER 9
and 10
Which of the following application(s) would use Ultrasonic sensor
modules?
A) Robot obstacle avoidance.
B) Parking lot testing.
C) Public security.
D) Object testing distance. - ANSWER All of the above
Which of the following statement(s) is(are) true regarding Ultrasonic
sensor technical parameters?
A) Static current is less than 2 mA.
B) Level output is higher than 5 V.
C) Detection angle is not greater than 15 degrees.
D) Detection distance ranges from 2 cm to 450 cm. - ANSWER All of
the above
Which of the following statement(s) is(are) true regarding the read()
function in the Servo library?
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