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Question 7 2 pts Which of the following statement(s) is(are) true regarding Ultrasonic sensor technical parameters? Static cuQuestion 8 2 pts Which of the following statement(s) is(are) true regarding the read() function in the Servo library? Read th

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Answer #1

Question 7
The true statements regarding the Ultrasonic sensor technical parameters are
The ultrasonic sensors (HC-SR04) typically draw 6 mA of static current; hence a digital output can be used in this purpose. Therefore, option 1 is incorrect.
The typical range of operation of the ultrasonic sensor (HC-SR04) to detect the distance is 2cm-400cm. Hence, the option 2 is correct.
As it is powered up with a 5V dc supply, hence the output level should not be exceeded 5V. Hence, option 3 is incorrect.
The typical detection angle of ultrasonic sensor (HC-SR04) is 10-15 degree; hence, the option 4 is correct.

Question 8
The true statements regarding the read () function of servo library are
The servo.read() function in Arduino is actually read the present angle of the servo motor. Hence, the option 1 is correct and other options are incorrect.

Question 9
The true statements regarding the write () function in servo library are
The servo.write() function in Arduino is actually used to control the shaft of the servo motor. This command will set the angle of the shaft (mostly in degrees) for actuating the shaft to that orientation. Therefore, the correct option is 3.

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