Table of Contents
INTRODUCTION
SOFTWARE TOOLS
Tinkercad
LTSpice
Arduino IDE
EQUIPMENT
Arduino Uno
Breadboard
Switches & LEDs
Resistors, Capacitors & Potentiometers
Audio & MIDI Components
Other Components
Soldering
Final Component List
CONCLUSIONS
1 ELECTRONICS FUNDAMENTALS
1.1 SCALES, SYMBOLS & EQUATIONS
1.1.1 Worked Example- Adding Voltages
1.1.2 Worked Example- Working with Fractions
1.2 ELECTRICAL FUNDAMENTALS
1.3 TUTORIAL- INTRODUCTION TO TINKERCAD
1.4 EXAMPLE PROJECT- GETTING STARTED: AN ARDUINO POWERED LED LIGHT
1.5 CONCLUSIONS
1.6 SELF- STUDY QUESTIONS
2 SYSTEMS & TRANSDUCERS
2.1 ELECTRONIC SYSTEMS & TRANSDUCERS
2.2 DIGITAL SYSTEMS & ARDUINO CONTROL
2.3 ANALOGUE TO DIGITAL CONVERSION- SAMPLING
2.4 MIDI CONTROL SYSTEMS
2.5 AUDIO SENSORS: SWITCHES, POTENTIOMETERS & MICROPHONES
2.6 AUDIO ACTUATORS: LED’S & LOUDSPEAKERS
2.7 TUTORIAL- WORKING WITH COMPONENTS
2.8 EXAMPLE PROJECT- SENSOR CONTROL OF LED OUTPUT
2.8.1 Circuit Design
2.9 CONCLUSIONS
2.10 SELF- STUDY QUESTIONS
3 DC CIRCUITS
3.1 OHM’S LAW & DIRECT CURRENT
3.1.1 Worked Example- Calculating A Resistor Value
3.2 KIRCHOFF’S VOLTAGE LAW: SERIES CIRCUITS
3.2.1 Worked Examples- Calculating Series Resistance
3.2.2 Worked Example- Calculating Series Resistor Voltages
3.3 VOLTAGE DIVIDERS
3.3.1 Worked Examples- Voltage Dividers
3.4 KIRCHOFF’S CURRENT LAW: PARALLEL CIRCUITS
3.4.1 Worked Examples Calculating Parallel Resistance
3.4.2 Worked Examples- Calculating Parallel Current
3.5 TUTORIAL: LIMITING CURRENT TO PROTECT COMPONENTS
3.6 EXAMPLE PROJECTS: SERIES & PARALLEL CIRCUITS
3.6.1 Series Circuit Project
3.6.2 Parallel Circuit Project
3.7 CONCLUSIONS
3.8 SELF-STUDY QUESTIONS
4 DIGITAL SYSTEMS 1- ARDUINO OUTPUT
4.1 MICROPROCESSOR CONTROL SYSTEMS
4.2 INSTRUCTION TYPES- SEQUENCE INSTRUCTIONS
4.3 EXAMPLE PROJECT 1- ARDUINO DIGITAL OUTPUT
4.4 DATA TYPES- VARIABLES
4.5 EXAMPLE 2- MULTIPLE DIGITAL OUTPUTS
4.6 FUNCTIONS- ENCAPSULATING CODE
4.7 TUTORIAL- HOW TO WRITE CODE PART 1
4.8 EXAMPLE 3- REUSING CODE WITH FUNCTIONS
4.9 ANALOGUE OUTPUT- PULSE WIDTH MODULATION
4.10 EXAMPLE PROJECT- AUTOMATIC TONE PLAYER
4.11 CONCLUSIONS
4.12 SELF- STUDY QUESTIONS
5 DIGITAL SYSTEMS 2- ARDUINO INPUT
5.1 PROGRAMMING RECAP
5.2 DATA STRUCTURES & ITERATION- ARRAYS & LOOPS
5.3 EXAMPLE 1- TONE ARRAY OUTPUT
5.4 WORKING WITH EXTERNAL LIBRARIES- SERIAL MIDI OUTPUT
5.5 EXAMPLE 2- MIDI SEQUENCE PLAYER
5.6 CONDITIONS & DIGITAL INPUT
5.7 TUTORIAL- HOW TO WRITE CODE PART II
5.8 EXAMPLE 3- MIDI SWITCH CONTROLLER OUTPUT
5.9 ANALOGUE INPUT- PERCUSSION SAMPLING
5.10 FINAL PROJECT: MIDI DRUM TRIGGER
5.11 CONCLUSIONS
5.12 SELF- STUDY QUESTIONS
6 AC CIRCUITS
6.1 AUDIO SIGNAL FUNDAMENTALS- SINE WAVES
6.1.1 Worked Example- Varying the Speed of Sound
6.2 AC SIGNALS- AMPLITUDE, FREQUENCY & PHASE
6.2.1 Worked Examples- Finding the Instantaneous Voltage of a Sine Wave Input Signal
6.3 CAPACITANCE- STORING CHARGE OVER TIME
6.3.1 Worked Example- Calculating the Charge on a Capacitor
6.3.2 Worked Example- Calculating Capacitive Reactance for Different Input Frequencies
6.4 IMPEDANCE- COMBINING AC COMPONENTS
6.4.1 Worked Examples- Analysing Combined Resistive and Reactive Circuits
6.5 TUTORIAL: INSTALLING LTSPICE
6.6 EXAMPLE PROJECT- AC ANALYSIS WITH LTSPICE
6.6.1 Example Project- Circuit 1
6.6.2 Example Project- Circuit 2
6.7 CONCLUSIONS
6.8 SELF-STUDY QUESTIONS
7 AUDIO AMPLIFIERS
7.1 AMPLIFICATION
7.1.1 Worked Examples- Calculating Decibel Gain Values
7.2 SEMICONDUCTORS- DIODES
7.3 SEMICONDUCTORS: TRANSISTORS
7.3.1 Worked Example- Simulating BJT Characteristic Curves Using LTspice
7.3.2 Worked Example- Simulating A Common Emitter Amplifier With LTspice
7.4 OPERATIONAL AMPLIFIERS
7.4.1 Worked Example- Simulating an Inverting Amplifier With LTspice
7.5 DC BLOCKING, POWER DECOUPLING & ZOBEL NETWORKS
7.6 EXAMPLE PROJECT: BUILDING AN AUDIO AMPLIFIER
7.7 CONCLUSIONS
7.8 SELF-STUDY QUESTIONS
8 AUDIO FILTERS
8.1 DECIBELS & EQUAL LOUDNESS
8.2 FILTER CHARACTERISTICS & BODE PLOTS
8.3 1ST ORDER LOW PASS FILTER
8.3.1 Worked Example- Designing a 1st Order Low Pass Filter
8.3.2 Worked Example- Simulating a 1st Order Low Pass Filter Using LTspice
8.4 1ST ORDER HIGH PASS FILTER
8.4.1 Worked Example- Designing a 1st Order High Pass Filter
8.4.2 Worked Example- Simulating a 1st Order High Pass Filter with LTspice
8.4.3 Worked Example- Reading & Writing Audio Files with LTspice
8.5 CONTROLLING AUDIO FILTERS
8.6 EXAMPLE PROJECT- AUDIO AMPLIFIER WITH 2-BAND EQUALIZER
8.7 CONCLUSIONS
8.8 SELF-STUDY QUESTIONS
9 ARDUINO AUDIO CONTROL
9.1 FINAL PROJECT OVERVIEW
9.1.1 Project Components
9.2 ARDUINO STATE CONTROL
9.2.1 Worked Example- Arduino State Control
9.3 ARDUINO DIGITAL FILTER CONTROL
9.4 FINAL PROJECT- ARDUINO CONTROLLED AUDIO AMPLIFIER WITH 2-BAND EQUALIZER
9.5 CONCLUSIONS
10 CONCLUSIONS
10.1 FUTURE WORK
10.1.1 Electronics Fundamentals
10.1.2 Arduino Control
10.1.3 Audio Electronics
10.2 FINAL NOTES
APPENDIX 1: SELF-STUDY QUESTIONS
APPENDIX 2: AC DERIVATIONS (CHAPTER 6)
Deriving Charge Over Time
Deriving an RC Time Constant
Deriving Capacitor Voltage
Deriving Capacitive Reactance
Deriving Series Impedance Magnitude
Deriving Series Capacitance
Deriving Parallel Capacitance
APPENDIX 3: RESISTOR VALUES