| Introduction |
 | Getting Started |
 | Systems approach |
| Mechanical |
| Cam |
| Crankshaft |
| Gearbox |
| Limit switch |
| Linear actuator |
| Pulley |
| Smart spring |
| Smart wire |
| Spring |
 | Gearing |
| Outputs |
| 7-segment display |
| Bargraph |
| DC Motor |
| Infra-red output |
| Light output |
| Linear movement |
| Magnetism output |
| Movement |
| Outputs |
| Rotary motion |
| Solenoid |
| Sound output |
| Thermocolour sheet |
| Transducer driver |
| Processes |
| Logic |
| Combinational logic |
| AND gate from NAND gates |
| IR decoder |
| IR encoder |
| Sequential logic |
| Latch |
| Shift register |
| AND gate |
| AND gate in software |
| CMOS AND gate |
| Inverter |
| Multiple input AND gate |
| NAND gate |
| NOR gate |
| OR gate |
| Passive AND gate |
| XOR gate |
| Multivibrators |
| Astable |
| Monostable |
| Op amps |
| Differential amplifier |
| Comparator |
| Inverting amplifier |
| Non-inverting amplifier |
| Ramp generator |
| Summing amplifier |
| Signal conversion |
| +Analogue to digital |
| +Comparator |
| +Digital to analogue |
| +Schmitt trigger |
| Product design |
| PCB design |
| Points to consider |
| Typical errors |
| Using Ranger |
| eChip Blocks |
| Inputs |
| 8 pin Picaxe |
| Light sensor |
| Molex input |
| Preset pot |
| IR proximity switch |
| Push button |
| Reed switch |
| Slotted IR switch |
| Temperature sensor |
| Tilt switch |
| Outputs |
| Output devices |
| Siren |
| Lamp |
| Solenoid |
| Heater |
| Water pump |
| Muscle wire |
| Output blocks |
| Optical |
| 7-segment display |
| Bargraph |
| LED |
| Bi-colour LED |
| Tri-colour LED |
| Quad-colour LED |
| Sound |
| Buzzer |
| Melody generator |
| Piezo sounder |
| Speaker |
| Drivers |
| Mosfet driver 5A |
| Motor driver |
| Transistor driver 100mA |
| Transistor driver 1A |
| Relay |
| 8 pin Picaxe |
| #PICaxe08 no skt |
| #PICaxe08 |
| Power supply |
| Mains adapter |
| Battery pack |
| Process |
| Test and measurement |
| Fault finding |
| Frequency counter |
| Function generator |
| Logic probe |
| Measurement |
| Multimeter |
| Oscilloscope |
| Picoscope |
| Test equipment |
| Test schedule |
| Transistor tester |
| Components |
| Potentiometer |
| Light dependent resistor |
| Thermistor |
| Resistor |
| Battery |
| MOSFET transistor |
| Electromagnet |
| DC Motor |
| Modulated IR detector |
| Theory |
| Battery Internal resistance |
| Inductive loads |
| Units and Multipliers |
| Spli-rail power supply |
| Darlington driver |
| Analogue signals |
| Digital signals |
| Potential divider |
| Ultrasonic range finding |
| Truth tables |
| Image formation |
| Motor speed control |
| Position control |
| Power dissipation |
| Control systems |
| Pulse width modulation |
| Representation of information |
| Turing test |
| Construction |
| Product assembly |
| Fitting front panel components |
| Fitting sockets |
| Fitting push buttons |
| Fitting LEDs |
| Fitting switches |
| Fitting 7 segment display |
| Securing PCBs |
| Wiring |
| Extending wires |
| Heatshrink sleeving |
| PCB assembly |
| Removing components |
| Making PCB track changes |
| Working with surface mount components |
| Errors to avoid |
| Soldering faults |
| Making enclosures |
| Marking out |
| Making holes |
| Front panel labels |
| Vacuum forming |
| Surface finishing |
| HIPS fabrication |
| AQA Exam work |
| Electronic Products |
| Folder |
| Checklist |
| Brief |
| Specification |
| Research |
| Block diagram |
| Circuit diagram |
| PCB Design |
| Test schedule |
| Test results |
| Programming |
| Case design |
| Evaluation |
| Written Exam |
| What is tested |
| AS/A2 Electronics |
| Report |
| Contents |
| Checklist |
| Examples |
| Typical errors |
| Inputs |
| Force |
| Heat Output |
| Infra Red |
| Light input |
| Liquid flow |
| Liquid level |
| Magnetism |
| Moisture |
| Movement input |
| Position |
| Pressure |
| Sound input |
| Strain |
| Resources |
| Projects |
| Jitterpot |
| Test Yourself |
| Pin-outs |
| Transistors |
| Logic |
| Useful circuits |
| 4017 Digital dice |
| 4017 Tally counter |
| LDR Circuits |
| 40106 Circuits |