Learn Audio Electronics with Arduino

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