These notes are in "pdf" format and go through the AQA specification for Electronic Products section by section. Hopefully they cover everything you will need - but that cannot be guaranteed. You will need to check past papers and the examiner's reports for each year.

Notes	Questions	Answers
component-symbols.pdf	Q-component-symbols.pdf	A-component-symbols.pdf
basics.pdf	Q-basics.pdf	A-basics.pdf
resistors.pdf	Q-resistors.pdf	A-resistors.pdf
potential-dividers.pdf	Q-potential-dividers.pdf	A-potential-dividers.pdf
switches1.pdf	Q-switches.pdf	A-switches.pdf
switches2.pdf	Q-switches.pdf	A-switches.pdf
capacitors.pdf	Q-capacitors.pdf	A-capacitors.pdf
555-chip.pdf	Q-555.pdf	A-555.pdf
diodes.pdf	Q-diodes.pdf	A-diodes.pdf
drivers.pdf	Q-drivers.pdf	A-drivers.pdf
latches.pdf	Q-latches.pdf	A-latches.pdf
opamps.pdf	Q-opamps.pdf	A-opamps.pdf
logic-gates.pdf
sequencing.pdf
batteries.pdf
mains-power.pdf	Q-mains-power.pdf	A-mains-power.pdf
mains-plug-wiring.pdf
flowchart-programming.pdf
basic-programming.pdf
exam-sheet1.pdf
exam-sheet2.pdf
	Q-additional.pdf