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Circuit Symbols

Introduction

It is important to know the standard circuit symbols. Some symbols may be slightly different on other sites or in textbooks but they should be fairly similar.

Basic components

component
Cell
component
Battery
component
DC Supply
component
AC Supply
component
Switch (latching)
component
Push Button
component
Resistor
component
Variable Resistor
component
Diode
component
Zener Diode
component
Capacitor
component
Electrolytic Capacitor
component
Inductor
component
Earth

Input components

component
Thermistor
component
Potentiometer
component
Photodiode
component
Light Dependent Resistor
component
Microphone

Output components & Transducer drivers

component
Heater
component
Signal Lamp
component
Filament Lamp
component
Light Emitting Diode
component
Motor
component
Buzzer
component
Loudspeaker
component
NPN Transistor
component
N-channel MOSFET
component
Electromagnetic Relay
component
Transformer

Test instruments

component
Ammeter
component
Voltmeter
component
Oscilloscope
component
Signal Generator

Integrated circuits

component
AND Gate
component
OR Gate
component
NOT Gate
component
NAND Gate
component
NOR Gate
component
EOR Gate
component
Op-Amp
component
Schmitt Inverter
component
D-Type Flip Flop
component
555 Timer
component
Binary Counter
component
Decade Counter
component
Decoder Driver
component
7 Segment Display

Flowchart symbols

component
Terminator
component
Input / Output
component
Process
component
Decision


© Paul Nicholls
July 2020

Creative Commons Licence
Electronics Resources by Paul Nicholls is licensed under a Creative Commons Attribution 4.0 International License.