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Symbols for Electronics and Design

General

Wire

Wire Joined

Wire Not Joined

Audio / Radio

Aerial

Amp

Ear

Loud Speaker

Microphone

Piezo

Capacitors

Cap

Polarized

Trim

Variable

Diodes

Diode

LED

Photo

Zener

Meters

Ammeter

Galvanometer

Ohmmeter

Oscilloscope

Voltmeter

Resistors

Pre Set

Resistor

Variable Rheostat

Variable Pot

Transistors

Photo

NPN

PNP

Sources

marvosym zip

Logic

AND

Ex OR

Ex NOR

NAND

NOR

NOT

OR

Output Devices

Bell

Buzzer

BHeater

Inductor

Indicator Lamp

Lamp

Motor

Power / Supplies

AC Supply

Battery

Cell

DC Supply

Earth

Fuse

Transformer

Sensors

LDR
Light Dependant Resistor

Thermistor
Heat Dependant Resistor

Switches

Relay

SPST
Single Throw Single Pole

SPDT
Single Throw Double Pole

DPST
Double Throw Single Pole

DPDT
Double Throw Double Pole

Push

Push To Break