National 5 Electronics
Welcome
National 5 Electronics has three parts: circuit design, circuit simulation and circuit construction.
You are marked on a question paper (30%) and a practical activity (70%).
The hands-on work matters most.
My progress
Lessons
Work through these in class.
Theory
Look things up here.
1 · Quantities & calculations
Units, prefixes and the 5-step method.
2 · Resistor circuits
Series, parallel and voltage dividers.
3 · Transistor switching circuits
A small input switches a big current.
4 · Signals & capacitors
Analogue, digital and capacitor timing.
5 · Components & devices
Relays, diodes and component symbols.
6 · Logic gates & ICs
Gates, truth tables and IC pin-outs.
Practical activity (70%)
The assignment, in order.
GuideMock Practical Activity Guide
The ten stages, with a hint for each.
1 · Planning
The five marked stages and templates.
2 · Simulation
Why, when and how to simulate.
3 · Construction
Colour codes, soldering and wiring.
4 · Testing (Block 6 Lesson 1)
Meters, probes and testing each stage.
AppBlock Diagram Builder
Drag the blocks, then check your answer.
AppStripboard Builder
Five marked tasks on stripboard.
AppStripboard Planner
Build your own board and check it.
GuidePlanner guide
Every tool and button, with pictures.
AppBreadboard Builder
Five marked tasks on breadboard.
AppBreadboard Planner
Build your own breadboard and check it.
Practise and revise
Resources
Sources & credits: the icons are drawn for this site. Full site credits are on the credits page. R Stewart - October 2026