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IT & Software Hardware Arduino

Basic electronics for Arduino Makers

An introduction to electronics to help you make the most from your Arduino or other prototyping platform.
Rating: 4.6 out of 54.6 (1,609 ratings)
11,553 students
Created by Dr. Peter Dalmaris
Last updated 9/2020
English
English, Indonesian [Auto], 
30-Day Money-Back Guarantee

What you'll learn

  • 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

Requirements

  • 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

Description

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.

Who this course is for:

  • Anyone with minimal experience using an Arduino
  • Anyone with minimal experience using any prototyping platform
  • Anyone with a need to brush up their knowledge of basic electronics

Featured review

Gabriel A. Cardenas
Gabriel A. Cardenas
31 courses
4 reviews
Rating: 4.5 out of 5a year ago
he is very clear about his explaining the description of the pieces (diodes, resisters, etc) and he talks at good pace tone. Only thing so far (40% thru) is the actual physical circuit setup isnt always clear and i have to do a little trial and error to get wires and resistors etc in the right places. Other thing that would be nice is maybe examples of where and why they are used in real circuits/electronics; that would have been really cool.

Course content

8 sections • 48 lectures • 7h 35m total length

  • Preview06:08
  • Preview00:05
  • Preview07:13
  • Preview08:56
  • Preview12:27

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

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

Instructor

Dr. Peter Dalmaris
Educator and Author of "Maker Education Revolution".
Dr. Peter Dalmaris
  • 4.6 Instructor Rating
  • 14,724 Reviews
  • 99,851 Students
  • 23 Courses

               

Peter Dalmaris is an educator, electrical engineer, electronics hobbyist, and Maker. Creator of online video courses on DIY electronics and author of three technical books, and has recently released his book Maker Education Revolution.  

As a Chief Tech Explorer since 2013 at Tech Explorations, the company he founded in Sydney, Australia, Peter’s mission is to explore technology and help educate the world. 

Tech Explorations offers educational courses and Bootcamps for electronics hobbyists, STEM students and STEM teachers.

A life-long learner, Peter’s core skill is in explaining difficult concepts through video and text. With over 15 years of tertiary teaching experience, Peter has developed a simple yet comprehensive style in teaching that students from all around the world appreciate. 

His passion for technology and in particular for the world of DIY open source hardware has been a dominant driver that has guided his personal development and his work through Tech Explorations.

Peter’s current online courses have helped over 60,000 people from around the world to be better Makers. 

For more information on Peter's work, please go to his web site.

 

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