Editor — Schematica

Components

R
Resistor

Fixed resistor
C
Capacitor

Fixed capacitor
C
Capacitor (Electrolytic)

Polarized electrolytic capacitor
L
Inductor

Fixed inductor

D
Diode

General purpose diode
D
LED

Light emitting diode
D
Zener Diode

Zener diode for voltage regulation
Q
NPN Transistor

NPN bipolar junction transistor
Q
PNP Transistor

PNP bipolar junction transistor
Q
N-Channel MOSFET

N-channel MOSFET transistor
Q
P-Channel MOSFET

P-channel MOSFET transistor

U
Op-Amp

Generic operational amplifier
U
555 Timer

Classic 555 timer IC
U
Voltage Regulator

Linear voltage regulator (e.g. LM7805)

J
2-Pin Header

2-pin through-hole header connector
J
4-Pin Header

4-pin through-hole header connector
J
USB-C Connector

USB Type-C connector

PWR
VCC Power

Positive supply voltage symbol
PWR
GND

Ground symbol
PWR
VBAT

Battery supply voltage symbol
V
Voltage Source

Ideal voltage source

SW
Push Button

Normally-open push button switch
SW
SPDT Switch

Single pole double throw switch

U
Temperature Sensor

Generic temperature sensor (e.g. LM35)
R
Photoresistor (LDR)

Light dependent resistor

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