Lecture 3

Question 1

What are wire gauges?

Answer 1

different types of connectors depending on the systems voltage and amperage

Question 2

What are the different types of boards?

Answer 2

Solderless Breadboard, stripboard & print circuit board

Question 3

What is Soldering?

Answer 3

A process in which two or more metal items are joined by melting and then flowing a filler metal into the joint.

Question 4

What is a analog device?

Answer 4

Uses analog signals, uses ADC to convert to digital

Question 5

What is a digital device?

Answer 5

Use digital signals, using a ADC making them easier to interact with.

Question 6

What is an input device?

Answer 6

Sends data to computer for processing

Question 7

What is an output device?

Answer 7

takes data from a system

Question 8

What is a 12c and SPI sensor

Answer 8

Sensor’s used to communicate to MCU.

Question 9

What is Pulse-Width Modulation?

Answer 9

a method of changing the average power delivered by electrical signal by breaking it into discreate parts of varying durations.

Question 10

What is the difference between a DC, servo and stepper motor?

Answer 10

DC: rotates infinitely due to permanent magnets
Stepper: not permanent magnets and good for positional control
Servo: cannot do a full rotation, good for locks