Mô tả

Are you an Arduino maker, able to make things by following how-to guides and are confident with writing or modifying sketches, yet you are not so confident about things like calculating transistor currents, voltage drops and using capacitors as filters?

You are not alone. I have been teaching Arduino and Raspberry Pi topics for years. During this time I have realized that while these platforms are great for helping you to start tinkering with electronics, you will not be able to truly enjoy their power until you have understood basic electronics.

This is what this course is about. It is about helping you achieve a better level of understanding of the basic electronics principles and components that are commonly used in making on platforms like the Arduino and the Raspberry Pi.

I have designed this course for anyone with a basic understanding of electronics, who has already spent time tinkering with Arduinos. 

By the end of this course, you will have learned how to use commonly used components found in Arduino projects. You will also have learned how to do the relevant measurements and calculations to help you select appropriate components for your projects. 

To complete this course, you will need a few cheap and common components and tools: resistors, capacitors, transistors, LED, diodes, and batteries. You will also need a multimeter, a small breadboard and jumper wires. All of these are probably things that you already have.

Bạn sẽ học được gì

Understand the concepts of voltage, resistance and current

Use Ohm's Law to calculate voltage, current and resistance

Use Kirchhoff's Laws to calculate voltage and current

Understand the meaning of and calculate energy and power

Use resistors in various configurations, like in voltage dividers and voltage ladders

Read the value of a resistor from its package

Use pull-up and pull-down resistors

Understand the use of capacitors

Use capacitors as energy stores and filters

Calculate the RC time constant of a capacitor

Understand diodes

Measure the voltage drop of a diode

Understand how to use rectifier and zener diodes

Protect a circuit from reverse polarity

Understand how to use a transistor to control low and high power loads

Calculate the currents and base resistor for a bipolar transistor

Use the correct voltage regulator for any circuit

Yêu cầu

  • Small circuits controlled by an Arduino
  • A basic understanding of electricity and electronics
  • Have assorted resistors, capacitors, LEDs, diodes, transistors, voltage regulators (see section 1 for details, free to view)
  • A breadboard, jumper wires and a battery (see section 1 for details, free to view)
  • A multimeter (see section 1 for details, free to view)
  • Basic algebra

Nội dung khoá học

8 sections

Starting up

5 lectures
Study guide
06:08
Parts list
00:05
The tools you will need
07:13
The parts you will need
08:56
About software
12:27

Electronics, basic concepts

11 lectures
Electricity, particles, and current
07:28
What is voltage?
04:59
What is voltage? (supplemental)
13:11
What is current?
04:32
What is resistance?
06:49
Ohm's Law
11:58
Ohm's Law
6 questions
Calculating energy
04:44
Power and energy
3 questions
Kirchhoff's Law
12:43
Kirchhoff's Law example
09:14

Resistors

14 lectures
Introduction to resistors
18:44
Reading resistor values
2 questions
A simple resistor circuit
13:30
Resistor power rating
04:15
Resistor power
3 questions
The variable resistor
11:25
Voltage divider
11:46
Voltage dividers
2 questions
Voltage divider with current draw
09:51
Voltage dividers, with current draw
1 question
Current divider
07:40
Current dividers
2 questions
Solution to Quiz 7, Question 2
13:15
Pull-up and pull-down resistors
11:59

Capacitors

9 lectures
Introduction to capacitors
11:53
Basic capacitor quiz
3 questions
Capacitors for storing energy
09:03
Capacitors as filter
10:21
Capacitors in series and parallel
09:50
Capacitors in parallel and series
7 questions
What is the RC time constant
11:32
An RC time constant experiment
11:00
RC time constant
1 question

Diodes

11 lectures
Introduction to diodes
15:04
Voltage drop and current regulation
12:00
Measuring the voltage drop in a diode
04:56
The voltage dropper circuit
09:49
Voltage drop
2 questions
Zener diodes
09:01
A circuit that includes a zener diode with a load
13:45
Zener diode
3 questions
Reverse polarity protection
04:37
How to calculate the appropriate resistor value for an LED
07:37
Calculating the LED protective resistor
2 questions

Transistors

6 lectures
Introduction to transistors
12:54
Calculating the currents in a transistor circuit
13:37
Calculating transistor currents
4 questions
A circuit with the 2N2222 bipolar transistor
15:53
A circuit with a TIP122 and a high-power LED
09:43
A circuit with a TIP122 and a motor
08:47

Voltage regulators

5 lectures
Introduction to IC voltage regulators
06:22
Fixed voltage regulator
16:54
A variable voltage regulator circuit
11:24
How to calculate the resistors for a variable voltage regulator
05:20
Voltage regulation with the LM317
1 question

Conclusion

2 lectures
What did you learn? What's next?
00:43
Bonus Lecture
00:43

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