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  • Quick Reference links to some very helpful Circuits / Schematics

  • Reference links to Quality Microcontroller based Schematics Resources

  • Radio Terminology Bibliography

   

• Microcontroller Tutorials

  • 8051 / 8052 Microcontroller Tutorial

  • PIC Microcontroller Tutorial

  • DS80C320 (DALLAS)

• Microprocessor Tutorials

  • 8085 Instruction Set for Reference

• Online Computer Dictionary

• Robots / Robotic Tutorials - ( Plain & Simple )

• C/C++ Language Programming Library Reference Guide

• High Definition Multimedia Interface (HDMI) Tutorial

• What is Blu-ray? - Learn everything about Blu-ray

• Controlling Electrical Hazards - Health & Safety

• Physics Glossary / Terms / Dictionary

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• Brief History of the Progression of Electronics Technology

• Brief History of the Progression of Computers Technology

• Tutorials

  Electronic for Beginners
   

  General Theory

  • Amplifiers

  • Averages

  • Circuit Symbols

  • Conductors and Insulators

  • Electromagnetism

  • Filters

  • Frequency Modulation

  • Graphs and Waveforms

  • Heat

  • Magnetism

  • Mixer

  • Percent and Tolerance

  • Pulse Modulation

  • Semiconductor Materials

  • Sound

  • The Differentiator

  • The R.F. Spectrum

  • Ohms and Kirchhoff's

  • Amplitude Modulation

  • Circuit Diagrams

  • Clippers and Limiters

  • Difference Amplifier

  • Feedback

  • Frequency Changer

  • Generator Principle

  • Harmonics

  • Light

  • Motor Principle

  • Oscillators

  • Pulses

  • Rms and Peak To Peak

  • Source and Load

  • The Integrator

  • Time Constants

  • What is Phase
     

  Components

  • 7 Segment Displays

  • Batteries

  • Circuit Symbols

  • Cathode Ray Tube (CRT)

  • Electromagnetic Relay

  • Inductors

  • Loudspeaker

  • Reed Switch

  • Selecting Capacitors

  • Semiconductor Data

  • Transformer

  • Using Led's

  • Active and Passive

  • Capacitors

  • Diode

  • Fuses

  • Integrated Circuits

  • Printed Circuit Boards

  • Resistors

  • Resistor Colour Code

  • Switches

  • Transformer Types

  • Value Multipliers

  • Wires and Cables
     

  Test and Measurements

  • Continuity Testing

  • Fault Finding Algorithms

  • Logical Fault Finding

  • Measuring Resistance

  • Signal Generators

  • Tracing a Schematic

  • With Respect to

  • Effect of Meter Resistance

  • Frequency Response

  • Measuring Current

  • Measuring Voltages

  • Testing Transistors

  • Using a Scope
     

  DC Theory

  • What is Electric Current

  • Ohm's Law

  • Resistor Networks

  • Resistors in Parallel

  • Voltages in a Circuit

  • Watts and Joules

  • Current in Circuits

  • Potential Dividers

  • Resistors in Series

  • Series / Parallel Batteries

  • Wheatstone Bridge
     

  Digital Circuits

  • AND Gates

  • Binary 7 Segment Decoder

  • Exclusive OR

  • Logic Gates

  • NAND Gates

  • NOT Gates

  • The 7490 Decade Counter

  • Binary

  • Bistable as Divider

  • Hexadecimal

  • Multivibrators

  • NOR Gates

  • OR Gates
     

  Block Diagrams

  • Block Diagrams

  • A.M. Transmitter

  • Computer

  • Digital Clock

  • F.M. Transmitter

  • Mono T/V Receiver

  • Phase Locked Loop

  • Tape Recorder

  • A.M. Receiver

  • Colour T/V Camera

  • DC Motor Speed Control

  • F.M. Receiver

  • Mono T/V Camera

  • Oscilloscope

  • Power Supply Units

   

  Batteries / Battery Tutorials

  • Introduction
  • Battery Safety Tips
  • Battery types, Deep Cycle and Starting
  • Wet Cell, Gel-Cell and Absorbed Glass Mat (AGM)
  • CCA, CA, AH and RC; what's that all about?
  • Battery Maintenance
  • Battery Testing Tips
  • Selecting and Buying a New Battery
  • Battery Life and Performance
  • Battery Charging Tips
  • Battery Do's
  • Battery Don'ts
     

  Switches Tutorial

  • Toggle switch

  • Slide Switch

  • Rotary Switch

  • Push Switch

  • Micro switch

  • Reed switch

  • Mercury tilt switch

  • Switches Ways and poles

  
  Stepper Motor System Basics

  Introduction

  Statics

  • Half-Stepping and Micro stepping

  • Friction and the Dead Zone

  Dynamics

  • Resonance

  • Living with Resonance

  • Torque versus Speed

  Electromagnetic Issues

   

  Stepping Motor Physics
   

  How to use a Multimeter / Using Multimeter

  • What Do Multimeter measures

  • Analogue Multimeters

  • Digital Multimeters

  • Making measurements using Multimeters

    • Voltage measurements

    • Resistance measurements

    • Current measurements
       

  Music, Sound & Special Effects Circuits

  • Electronic Canary

  • Metronome Circuit

  • Sound Effects Generator

  • Sound Effects Generator 2

  • Electronic Siren

   

• Tutorials

  Intermediate Electronics

   

  • Oscilloscope Tutorial
     

  • Diodes

    • Introduction to Diodes

    • Barrier

    • Diode Characteristic Curves

    • Diode Connections

    • Diode Voltages

    • Forward Biased Junction

    • Half Wave Rectifier

    • Reservoir Capacitor

    • Semiconductor Materials

    • Steering Diode

    • Varicap Diode

    • Zener Diode

    • Diode Puzzle

    • Diode as a Gate

    • Diode Clippers and Limiters

    • Diode Protection Circuits

    • Forward and Reverse Biased Diodes

    • Full Wave Rectifier

    • P-N Junction

    • Reverse Biased Junction

    • Seven Segment Display

    • Using the Light Emitting Diode

    • Voltage Doubler
       

  • Junction Transistors

    • Junction Transistor

    • Junction Transistor Biasing

    • Transistor Operation

    • Transistor as a Switch

    • Class A, B and C Bias

    • Transistor Small Signal Amplifier

    • Biasing a Transistor

    • Emitter Stabiliser Resistor

    • Load Resistor

    • Typical Circuit Values

    • Amplifiers in Cascade

    • Tuned Amplifier

    • Common Emitter Amplifier

    • Common Base Amplifier

    • Common Collector Amplifier

    • Phase Splitter

    • Class a Power Amplifier

    • Push-Pull Amplifier

    • Complementary Push-Pull Amplifier

    • Directly Coupled Amplifier

    • Darlington Pair
       

  • Transistor Fault Finding

    • Collector Load Resistor Open Circuit

    • Emitter Resistor Open Circuit

    • Upper Base Bias Resistor Open Circuit

    • Emitter Capacitor S/C And O/C

    • Lower Base Bias Resistor Open Circuit
       

  • Unijunction Transistors
     

  • Field Effect Transistors

    • Junction FET

    • Mosfet (Metal Oxide Semiconductor FET)

    • Junction FET as an Amplifier

    • Mosfet Circuit Symbols
       

  • Operational Amplifiers

    • The Basic Opamp

    • Setting Opamp Gain

    • Non Inverter with Gain

    • Temperature Alarm

    • Opamp as an Audio Mixer

    • Opamp Characteristics

    • Unity Gain Non Inverter

    • Comparator

    • Opamp as a Timer

    • Opamp Dual Power Supplies
       

  • Bels, Decibels and DB

   

  • Thyristor, Triac and Diac

    • Thyristor

    • Phase Triggering the Thyristor

    • Triac and Diac

    • Burst Triggering the Thyristor

    • Full Wave Control of the Thyristor

    • Thyristor as a Crowbar
       

  • Multivibrators

    • Astable

    • Bistable

    • Monostable
       

  • Schematic Trigger 1   / Schematic Trigger 2

   

  • Reactance and Impedance in AC Circuits

    • Resistance in an AC Circuit

    • Inductive Reactance

    • Capacitive Reactance

    • Impedance
       

  • Phasors and Resonance

    • Phase and Phasors in AC Circuits

    • Capacitance in AC Circuits

    • L, C and R in Series in AC Circuits

    • L, C and R in Parallel in AC Circuits

    • Series Resonance in AC Circuits

    • Parallel Resonance in AC Circuits

    • Resistance in AC Circuits

    • Inductance in AC Circuits
       

  • Microprocessor System

    • Bits, Bytes Etc.

    • Microprocessor System Diagram

    • Arithmetic / Logic Unit

    • Microprocessor Architecture

    • Read Only Memory

    • Input and Output

    • Instructions and Programs

    • Flow Chart Symbols

    • System Flags

    • Interrupts

    • Buses

    • System Clock

    • 6502 CPU

    • Random Access Memory

    • Memory Map

    • Fetch / Execute

    • Addressing Modes

    • Typical Flow Chart

    • Stack
       

  • Combination Logic

    • Truth Tables for Logic Gates

    • Diode Transistor Logic

    • An Intruder Alarm

    • Making Gates Using NANDs

    • Making Gates Using NORs

    • Recording Circuit Levels

    • Boolean Expressions

    • DE Morgan's Theorem

    • Applying De Morgan

    • The Half Adder

    • 3 Bit Adder

    • Decoders

    • Tri-State Logic

    • Diode Logic

    • Transistor Transistor Logic

    • Coffee Machine

    • Traffic Lights

    • Low Level Activated Gates

    • The Full Adder

    • Encoders

    • The 7447a Decoder
       

  • Flip Flop

    • A Transistor R-S Flip-Flop

    • Switch Debouncing

    • Low Activated Flip-Flop

    • Clocked D Type Flip-Flop

    • Toggle Flip-Flop

    • J-K Master Flip-Flops

    • NOR Gate Flip-Flop

    • High Activated R-S Flip-Flop

    • Clocked R-S Flip-Flop

    • Edge Triggered Flip-Flops

    • Master/Slave D Type Flip-Flop

    • J-K With Set and Preset
       

  • Sequential Logic

    • Asynchronous Up Counters

    • Asynchronous Down Counters

    • Analogue to Digital Conversion

    • Synchronous Counters

    • The Decade Counter

    • The SISO Shift Register

    • The PISO Shift Register

    • The SIPO Shift Register

    • The PIPO Shift Register

    • Digital to Analogue Conversion

    • Multiplexers and Demultiplexers

    • Dividers

    • The 7490 Counter/Divider
       

  • Timing / Timer Circuits

    • Basic 555 Monostable

    • 5 to 30 Minute Timer

    • Periodic Timer

    • Asymmetric Timer

    • 24 Hour Timer

     

  • Test Gears Circuits

• Zener Diode Tester

• Infra Red Remote Control Tester

• Electromagnetic Field Probe with Meter

• Simple Square Wave Oscillator

• Logic Probe

• Function Generator

• MilliGauss Meter

• Multi Wire Cable Tester

• Connection Tester

• Sine Wave Generator

• Two Crystal Test Circuits

• Bench Amplifier

• Signal Injector and Tracer

• Beat Balance Metal Detector

• Coil Coupled Operation Metal Detector

• ASCII Table
   

• Oscilloscope Tutorial