MECHATRONICS MIDTERM WITH
QUESTIONS AND ANSWERS LATEST
UPDATE 2026\2027
Mechatronics is the integration of mechanical,
What is mechatronics? electrical, and computer engineering to create
systems (detect, think, act).
What is a robot? A machine that senses, thinks, and then acts.
A device that detects and measures inputs from
What is a sensor?
its surroundings.
It detects physical location, displacement, or
What does a position sensor do?
movement.
Push buttons, levers, reset/contact, rocker, e-
What are some examples of switches?
stop, keypad, toggle.
What is the pole in a switch? A lever
What is the throw in a switch? Output position
When the switch bounces once hit (code can
What is switch bounce?
catch it if its fast enough).
What is a proximity sensor? A non-contact position sensor.
Magnetic/Hall effect sensor, ultrasonic sensor
What are some examples of a proximity sensor?
(US), and infrared sensor (IR).
The voltage changes with the magnetic field of
How does a magnetic/hall effect sensor work?
the surrounding area.
What are some uses of a magnetic/hall effect Zeroing motors and limit switches, and obstacle
sensor? detection.
How does a ultrasonic sensor work? It outputs a sound pulse and times the return.
, Obstacle detection, distance, finding material
What are some uses of the ultrasonic sensor?
properties (how thick is the metal).
How does a infrared sensor (IR) work? It outputs light and times its return.
What are some uses of the IR sensor? Detection and distance measurement.
QUESTIONS AND ANSWERS LATEST
UPDATE 2026\2027
Mechatronics is the integration of mechanical,
What is mechatronics? electrical, and computer engineering to create
systems (detect, think, act).
What is a robot? A machine that senses, thinks, and then acts.
A device that detects and measures inputs from
What is a sensor?
its surroundings.
It detects physical location, displacement, or
What does a position sensor do?
movement.
Push buttons, levers, reset/contact, rocker, e-
What are some examples of switches?
stop, keypad, toggle.
What is the pole in a switch? A lever
What is the throw in a switch? Output position
When the switch bounces once hit (code can
What is switch bounce?
catch it if its fast enough).
What is a proximity sensor? A non-contact position sensor.
Magnetic/Hall effect sensor, ultrasonic sensor
What are some examples of a proximity sensor?
(US), and infrared sensor (IR).
The voltage changes with the magnetic field of
How does a magnetic/hall effect sensor work?
the surrounding area.
What are some uses of a magnetic/hall effect Zeroing motors and limit switches, and obstacle
sensor? detection.
How does a ultrasonic sensor work? It outputs a sound pulse and times the return.
, Obstacle detection, distance, finding material
What are some uses of the ultrasonic sensor?
properties (how thick is the metal).
How does a infrared sensor (IR) work? It outputs light and times its return.
What are some uses of the IR sensor? Detection and distance measurement.
