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V. Ryan 2002-2019

 
     
 

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The section is aimed at introducing pupils to basic concepts of electronics. You will find that a range of basic electronics is covered including; component symbols, power sources, diodes, capacitors, transistors, LEDs and many more. Click on the aspect of electronics outlined below to view the information sheets.

 
     
  TRY THE FREE INTERACTIVE PDF APPS FOR EASY NAVIGATION OF THE WEBSITE AND FOR REVISION  
   
     
 

COMPONENTS / SYMBOLS

 
 

 

 
 

1. Electronic Components and Symbols - 1

 
 

2. Electronic Components and Symbols - 2

 
 

3.Electronic Components and Symbols - 3

 
 

4. Symbols Summary Sheet

 
     
 

PDF FILE - CLICK HERE FOR PRINTABLE SYMBOLS EXERCISE

 
     
  PDF FILE - POSTER - ELECTRONIC COMPONENTS AND SYMBOLS  
     
  PDF FILE - THE SYSTEME INTERNATIONALE D'UNITES (INTERNATIONAL SYSTEM OF UNITS)“SI UNITS”  
     
  BASIC TOOLS AND EQUIPMENT FOR ELECTRONICS  
     
 

1. Lesson Starter - Electronic Components

 
 

2. Lesson Starter - Electronic Tools and Equipment

 
 

3. Basic Electronics - Wordsearch Exercise

 
     
 

BATTERIES AND LEDS

 
     
 

1. Batteries and LEDs

 
 

2. Button Batteries / Coin Cells - Simple Circuits

 
     
  SIMPLE LED TORCH PROJECT  
  1. Simple LED Torch Project - Rich Picture  
  2. Simple LED Torch - Design Problem and Brief  
  3. Simple LED Torch - Theme - Tropical Fish  
  4. Simple LED Torch - Torch Assembly  
  5. Simple LED Torch - Evaluation  
     
  MEMO BOARD - FLASHING LED PROJECT  
  1. Electronic Memo Board - Introduction  
  2. Electronic Memo Board - Rich Picture  
  3. Electronic Memo Board - Flashing LED Circuit  
  4. Electronic Memo Board - the Components  
  5. Electronic Memo Board - Circuit Diagram and Information Sheet  
  6. Electronic Memo Board - Circuit Layout  
  7. Design Problem and Brief for the Electronic Memo Board  
  8. Designing the Memo Board - 1  
  9. Evaluating the Electronic Memo Board  
     
  SWITCHES  
     
 

1. Switches -1

 

2. Switches - 2

3. Switches - 3

  PDF FILE - CLICK HERE FOR SWITCHES / COMPONENTS WORKSHEET  
     
  LAMPS  
     

1. Incandescent Lamps (Bulbs) 1

2. Incandescent Lamps (Bulbs) 2

     
  SERIES AND PARALLEL CIRCUITS  
     

1. Series Circuits

2. Circuits in Parallel

3. A Series / Parallel Circuit

  4. Revision Cards - Series and Parallel Circuits  
     
  CIRCUIT SIMULATION SOFTWARE AND TEST INSTRUMENTS  
     

1. Introduction to Circuit Simulation Software

  2. Test Instruments  
     
  DIODES  
     
 

1. The Diode

 
  2. Diodes use to Drop Voltage. Zener Diodes and Rectifiers  
  3. Diodes - Revision Cards  
     
  TRANSISTORS AND DARLINGTON PAIRS  
     
  1. The Basics on Transistors  
  2. Transistors - Darlington Pairs  
  3. Transistor Exam Question  
  4. Transistor Breadboard Project  
  5. Transistor Darlington Pair Breadboard Project  
  6. Transistor Formulas and Calculations  
  7. Dual Transistor Multivibrator Circuit  
  8. Lesson Starter - Astable Transistor Circuit (Multivibrator)  
  9. Examination Questions : Dual Transistor Multivibrator Circuits  
     
  10. Field Effect Transistors (FETs)  
     
     
  CAPACITORS AND RESISTORS  
     
 

1. Capacitors

 
  2. Capacitors - Revision Cards  
 

3. Resistors

 
  4. Fixed Resistors - Revision Cards  
 

5. Using Circuit Wizard Software to Test the Relationship between Resistors and Capacitors

 
  6. Light Dependent Resistors  
  7. The Preset Resistor  
  8. Potentiometer / Variable Resistor  
  9.Making a Light / Dark Sensor  
  10. Sequence Drawing - Light/Dark Sensor  
  11. LDR Examination Question - 1  
  12. LDR Examination Question - 2 - Including Reversing the Rotation of a Motor  
  13. LDR Examination Question - 3  
  14. Sensor Question - LDR  
  15. Switches, Diode, Transistor and General Circuit Questions  
  16. The Thermistor  
 

17. Information Regarding Thermistor Circuits and Darlington Pairs

 
 

18. A Typical Temperature Sensor

 
 

19. Potential Dividers

 
 

20. SI Units and OHM's Law

 
 

21. Resistors - Questions

 
     
  RELAYS  
     
 

1. Relays and Practical Circuits

 
 

 
 

THE THYRISTOR

 
     
 

1. The Thyristor

 
 

2. Steady Hand Game - Thyristor Circuit

 
  PDF FILE - UPDATED STEADY HAND GAME AND RESOURCES  
     
  3. The Thyristor - Revision Cards  
 

4. Breadboards

 
 

 
 

 

 

 

 
 

CONTROL SYSTEMS

 
 

 

 
 

1. Analogue / Digital Systems

 
 

2. Control Systems

 
 

3. Control Systems - An Example

 
     
 

MODULAR ELECTRONICS

 
     
 

1. Modular Electronics

 

2. Modular Electronics - Control Studio -1

3. Modular Electronics - Control Studio -2

4. Modular Electronics - Control Studio -3

DIGITAL ELECTRONICS AND LOGIC GATES

 

1. Digital Electronics and Logic Circuits - 1

2. Digital Electronics and Logic Gates - 2  (Role of Transistors)

3. Basic Logic Gates and Logic Tables

4. Alternative representations of Logic Tables

5. Example Logic Circuit - 1

6. Example Logic Circuit - 2

     

7. The 4081B Integrated Circuit (AND gate) - a Practical Example.

8. The 4081B - Circuit Design

  PDF FILE - CLICK HERE FOR PRINTABLE WORKSHEET ON THE 4081B  
     

9. Digital Logic Circuit Exam Question 1

10. Digital Logic Circuit Exam Question 2

11. Digital Logic Circuit Exam Question 3

12. AND Gate Sample Question

13. AND Gate Sample Answer

14. The Binary System

WHAT ARE INTEGRATED CIRCUITS?

1. Integrated Circuits - 1

2. Integrated Circuits - 2

3. Integrated Circuits - 3

 

THE 555 INTEGRATED CIRCUIT

 
     
 

1. The 555 Integrated Circuit (Timer) - a Simple Explanation

 
 

2. The 555 IC as an ASTABLE Circuit

 
 

3. The 555 IC as a MONOSTABLE Circuit

 
 

4. 555 MONOSTABLE Examples

 
 

5. The MONOSTABLE Circuit in more detail

 
 

6. Animation 1 -  555 Timer Circuit - Frames Created by Crocodile Technology 3D

 
 

7. Animation 2 - 555 Timer Circuit - Frames Created by Crocodile Technology 3D

 
     
 

8. Monostable Timer Examination Questions - 1

 
 

9. Monostable Timer Examination Questions - 2

 
     
 

10. ASTABLE 555 Breadboard Project

 
 

11. 555 ASTABLE Examples

 
 

12. The ASTABLE Circuit in more detail

 
 

 

 
     
 

THE 741 OPERATIONAL AMPLIFIER

 
     
 

1. The Operation Amplifier used as an Amplifier - a Simple Explanation

 
 

2. The 741 Operational Amplifier used as an Amplifier with Sensors

 
 

3. The 741 Operational Amplifier - an introduction

 
 

4. Inverting and Non-inverting 741 Amplifiers

 
 

5. The 741 Operational Amplifier as a Comparator

 
 

6. 741 Operational Amplifier Comparator Examination Questions and Information

 
     
 

THE 4017B DECADE COUNTER

 
 

1. How the 4017B decade Counter Works

 
 

2. Adding a Motor and a Solenoid to the 4017B Decade Counter

 
     
  ELECTRONICS KITS  
     
  1. Amplifier Project (TBA 820M AMPLIFIER KIT)  
  2. TBA 820M Amplifier Kit  
  3. Casing Design - Amplifier Project  
  4. Speaker Holes - Writing Styles  
  5. Character / Stand Design  
     
  6. Manufacturing the Amplifier Casing  
  7. Manufacturing the Amplifier Casing - Sequence Drawing  
     
 

(UNDER CONSTRUCTION)

 
 

1. INDIVIDUAL RESEARCH THEME and EXAMINATION QUESTIONS

THEME: RAILWAY TRANSPORT
CONTEXT: OPERATING SYSTEMS

 

Pupils research the theme as they work through the resources/questions below. They should draw on all the skills and techniques developed through the Systems and Control course.

 

*PLEASE NOTE: You may need to use the search facility on the index page of this site to find information when answering some of the questions*

 

 
     
  PDF FILE - CLICK HERE FOR PRINTABLE QUESTION PAPERS  
     
 

1. Systems Diagram and Rack and Pinion

 
 

2. Types of Motion, Relays and Diode

 
 

3. 555 Timer, Relay and Diode

 
 

4. Light Sensor, Relay and Diode

 
 

5. Systems Diagram and Thermistor

 
 

6. Sensor and Logic Gates

 
 

7. PIC_Microcontroller, Output and Input

 
 

8. PIC-Microcontroller, Progamming and Flow Charts

 
 

9. Micro-Controller, Inputs and Outputs and Programming

 
 

10. Injection Moulding 1

 
 

11. Webs / Ribs (Orthographic Drawing) and Bearings

 
 

12. Casting and Safety

 
 

13. Gear Ratio and RPM

 
 

14. Gear Ratios, Compound Gears

 
 

15. Injection Moulding - 2

 
 

16. Light Sensor Circuit

 
 

17. Flow Chart /Programming

 
 

18. Rack and Pinion

 
  19. Examination Questions - Jigs  
     
 

2. INDIVIDUAL RESEARCH THEME and EXAMINATION QUESTIONS

THEME: THEME PARKS
CONTEXT: OPERATING SYSTEMS

 

Pupils research the theme as they work through the resources/questions below. They should draw on all the skills and techniques developed through the Systems and Control course.

 

*PLEASE NOTE: You may need to use the search facility on the index page of this site to find information when answering some of the questions*

 

 
     
 

1. Systems Diagram and Rack and Pinion

 
 

2. Types of Motion and Sensor Circuit

 
 

3. 555 Timer, Relay and Diode

 
 

4. Spring and CAM

 
 

5. Light/Dark Sensor, Darlington Pair, Relay and Diode

 
 

6. PIC-Microcontroller and Sensor

 
 

7. Systems Diagram and Temperature Sensor

 
 

8. Sensor and Logic Gates

 
 

9. Mechanisms and PIC-Microcontrollers

 
 

10. PIC Microcontroller and Output Bits

 
 

11. Inputs, Outputs, Progamming and Flow Charts

 
 

12. Programming Inputs and Outputs including Flow Charts

 
 

13. Input, Process, Output and Transistors

 
 

14. Input, Process, Output and Binary Numbers

 
 

15. Flow Chart and Sub-Routines

 
 

16. Gear Ratios

 
 

17. Gear Ratios - Compound Gears