devolt simulator

idle

Components

Breadboards

Breadboard (830)

830-point solderless breadboard with power rails

Breadboard (400)

400-point solderless breadboard with power rails

Power

Battery Pack

4 × AA alkaline holder with chemistry-shaped discharge

Bench PSU

Adjustable DC bench power supply

Pulse Generator

Signal generator: rectangular pulsed voltage

Clock Generator

Signal generator: square-wave clock output

Signal Generator

A bench function generator producing DC

Current Source

Ideal constant-current source: pushes a set current out of its positive terminal regardless of the load

7805 Voltage Regulator

Fixed +5 V conventional linear regulator

AMS1117 3.3V Regulator

Labeled breakout/module carrying a fixed +3

AMS1117 5.0V Regulator

Labeled breakout/module carrying a fixed +5 V AMS1117 LDO

LM317 Adjustable Regulator

Labeled three-terminal breakout/module abstraction based on the conventional LM317 adjustable linear regulator

9 V Battery

PP3/6LR61 9 V alkaline battery with snap connector

CR2032 Coin Cell

3 V lithium coin cell

DC-DC Buck Converter

Non-isolated step-down

Passive

Resistor

Ohmic resistor

Capacitor

Capacitor with configurable series resistance and dielectric leakage

Diode

Silicon rectifier diode

Zener Diode

Zener diode — voltage regulation via reverse breakdown

TVS Diode

Transient Voltage Suppressor — clamps fast voltage spikes by entering reverse breakdown

Schottky Diode

Schottky barrier diode — low forward voltage drop

Inductor

Inductor with configurable winding resistance and lumped core loss

Potentiometer

3-terminal variable resistor with linear or log taper

Trimmer

PCB-mount variable resistor

Fuse

Overcurrent protection fuse

PTC Resettable Fuse

Generic radial-leaded polymeric PTC resettable fuse; can recover after fault or power removal and cooling

LDR

Light-dependent resistor

Thermistor (NTC)

Negative-temperature-coefficient thermistor

Ferrite Bead

Two-terminal ferrite bead for HF noise suppression on power and signal lines

Resistor Array

4×isolated resistor network in a DIP-8 package

Ceramic Capacitor

MLCC ceramic capacitor — small

Electrolytic Capacitor

Aluminium electrolytic capacitor — polarised

Film Capacitor

Polyester or polypropylene film capacitor — non-polarised

Transformer

Two magnetically coupled windings

16 MHz Crystal

Quartz crystal resonator

Active

NPN Transistor

Generic NPN BJT

PNP Transistor

Generic PNP BJT

N-Channel MOSFET

Generic enhancement NMOS

N-Channel JFET

Generic depletion-mode N-channel JFET

P-Channel JFET

Generic depletion-mode P-channel JFET

Thyristor (SCR)

Generic sensitive-gate thyristor

Triac

Generic triac

Analog Switch

Generic transmission gate: a control input opens or closes a resistive path between two signal pins

P-Channel MOSFET

Generic enhancement PMOS

Analog ICs

LM358

Dual general-purpose op-amp

MCP6002

Dual rail-to-rail op-amp

LM386

Audio power amplifier

4N35

Optocoupler with phototransistor output

LM393

Dual general-purpose open-collector comparator

TL431

Programmable precision shunt voltage reference

Logic ICs

NE555 Timer

Classic 555 timer — astable / monostable oscillator

74LS00

Quad 2-input NAND gate

74LS04

Hex inverter

74LS08

Quad 2-input AND gate

74LS32

Quad 2-input OR gate

74LS86

Quad 2-input XOR gate

74LS161

4-bit synchronous binary counter with asynchronous clear

74LS173

4-bit D-type register with 3-state outputs

74LS189

64-bit

74LS157

Quad 2:1 multiplexer

74LS283

4-bit binary full adder with fast carry

74LS245

Octal 3-state bus transceiver

74HC595

8-bit serial-in

74HC165

8-bit parallel-in

74HC14

Hex Schmitt-trigger inverter

74HC138

3-to-8 line decoder / demultiplexer

74LS47

BCD-to-7-segment decoder/driver with open-collector outputs

74HC74

Dual D flip-flop with async preset and clear

CD4017

Decade counter/divider with 10 decoded outputs

CD4511

BCD-to-7-segment latch/decoder/driver with push-pull active-high outputs

CD4060

14-stage binary ripple counter with built-in oscillator

28C16

2Kx8 EEPROM — programmable contents

28C256

32Kx8 EEPROM — programmable contents

Microcontrollers

Arduino UNO R3

ATmega328P-based microcontroller board

RP2040 MicroPython Board

Generic RP2040

BBC micro:bit V1

BBC micro:bit V1 MicroPython board with a 5x5 LED display

Arduino Nano (classic)

ATmega328P microcontroller on a 30-pin DIP-style board

Drivers

ULN2003A

7-channel Darlington sink array

ULN2803A

8-channel Darlington sink array

L293D Dual H-Bridge

Quadruple half-H driver capable of driving two DC motors bidirectionally or four independent loads

TB6612FNG Dual H-Bridge

Dual full-H-bridge motor driver module

Displays

MAX7219 8x8 LED Matrix

SPI-controlled 8x8 LED matrix driver module

HD44780 16x2 LCD

HD44780-compatible 16-character x 2-line character LCD module

Electromechanical

5 V SPDT Relay

Electromechanical single-pole double-throw relay

Outputs

Red LED

Red-coloured light emitting diode

Green LED

Green-coloured light emitting diode

Blue LED

Blue-coloured light emitting diode

White LED

White-coloured light emitting diode

Yellow LED

Amber LED

Bicolour LED

Two-colour LED with shared cathode

RGB LED

RGB LED with common cathode

7-Seg (CC)

Single-digit 7-segment display with two internally bonded common-cathode leads

7-Seg (CA)

Single-digit 7-segment display with two internally bonded common-anode leads

Active Buzzer

Active piezo/magnetic buzzer with internal oscillator

Passive Buzzer

Passive piezo buzzer without internal oscillator

8 Ohm Speaker

Small 8 Ω permanent-magnet speaker for breadboard audio circuits

DC Motor

Generic brushed DC motor

Hobby Servo (SG90)

PWM-controlled rotary position actuator

Bipolar Stepper Motor (NEMA 17)

4-wire bipolar stepper motor with two independent coils

Inputs

Switch (SPST)

Single-pole single-throw toggle

Push Button

Momentary push button

DPDT Push Switch

6-pin DPDT latching

SPDT Switch

Single-pole double-throw switch

Potentiometer

3-terminal variable resistor with linear or log taper

Trimmer

PCB-mount variable resistor

LDR

Light-dependent resistor

Thermistor (NTC)

Negative-temperature-coefficient thermistor

DIP Switch

Classic red through-hole DIP switch

Ultrasonic Distance Sensor (HC-SR04)

Ultrasonic time-of-flight distance sensor

Channels0/0

No live nodes.

Diff probe

No channels selected

idle

Components

Breadboards

Breadboard (830)

830-point solderless breadboard with power rails

Breadboard (400)

400-point solderless breadboard with power rails

Power

Battery Pack

4 × AA alkaline holder with chemistry-shaped discharge

Bench PSU

Adjustable DC bench power supply

Pulse Generator

Signal generator: rectangular pulsed voltage

Clock Generator

Signal generator: square-wave clock output

Signal Generator

A bench function generator producing DC

Current Source

Ideal constant-current source: pushes a set current out of its positive terminal regardless of the load

7805 Voltage Regulator

Fixed +5 V conventional linear regulator

AMS1117 3.3V Regulator

Labeled breakout/module carrying a fixed +3

AMS1117 5.0V Regulator

Labeled breakout/module carrying a fixed +5 V AMS1117 LDO

LM317 Adjustable Regulator

Labeled three-terminal breakout/module abstraction based on the conventional LM317 adjustable linear regulator

9 V Battery

PP3/6LR61 9 V alkaline battery with snap connector

CR2032 Coin Cell

3 V lithium coin cell

DC-DC Buck Converter

Non-isolated step-down

Passive

Resistor

Ohmic resistor

Capacitor

Capacitor with configurable series resistance and dielectric leakage

Diode

Silicon rectifier diode

Zener Diode

Zener diode — voltage regulation via reverse breakdown

TVS Diode

Transient Voltage Suppressor — clamps fast voltage spikes by entering reverse breakdown

Schottky Diode

Schottky barrier diode — low forward voltage drop

Inductor

Inductor with configurable winding resistance and lumped core loss

Potentiometer

3-terminal variable resistor with linear or log taper

Trimmer

PCB-mount variable resistor

Fuse

Overcurrent protection fuse

PTC Resettable Fuse

Generic radial-leaded polymeric PTC resettable fuse; can recover after fault or power removal and cooling

LDR

Light-dependent resistor

Thermistor (NTC)

Negative-temperature-coefficient thermistor

Ferrite Bead

Two-terminal ferrite bead for HF noise suppression on power and signal lines

Resistor Array

4×isolated resistor network in a DIP-8 package

Ceramic Capacitor

MLCC ceramic capacitor — small

Electrolytic Capacitor

Aluminium electrolytic capacitor — polarised

Film Capacitor

Polyester or polypropylene film capacitor — non-polarised

Transformer

Two magnetically coupled windings

16 MHz Crystal

Quartz crystal resonator

Active

NPN Transistor

Generic NPN BJT

PNP Transistor

Generic PNP BJT

N-Channel MOSFET

Generic enhancement NMOS

N-Channel JFET

Generic depletion-mode N-channel JFET

P-Channel JFET

Generic depletion-mode P-channel JFET

Thyristor (SCR)

Generic sensitive-gate thyristor

Triac

Generic triac

Analog Switch

Generic transmission gate: a control input opens or closes a resistive path between two signal pins

P-Channel MOSFET

Generic enhancement PMOS

Analog ICs

LM358

Dual general-purpose op-amp

MCP6002

Dual rail-to-rail op-amp

LM386

Audio power amplifier

4N35

Optocoupler with phototransistor output

LM393

Dual general-purpose open-collector comparator

TL431

Programmable precision shunt voltage reference

Logic ICs

NE555 Timer

Classic 555 timer — astable / monostable oscillator

74LS00

Quad 2-input NAND gate

74LS04

Hex inverter

74LS08

Quad 2-input AND gate

74LS32

Quad 2-input OR gate

74LS86

Quad 2-input XOR gate

74LS161

4-bit synchronous binary counter with asynchronous clear

74LS173

4-bit D-type register with 3-state outputs

74LS189

64-bit

74LS157

Quad 2:1 multiplexer

74LS283

4-bit binary full adder with fast carry

74LS245

Octal 3-state bus transceiver

74HC595

8-bit serial-in

74HC165

8-bit parallel-in

74HC14

Hex Schmitt-trigger inverter

74HC138

3-to-8 line decoder / demultiplexer

74LS47

BCD-to-7-segment decoder/driver with open-collector outputs

74HC74

Dual D flip-flop with async preset and clear

CD4017

Decade counter/divider with 10 decoded outputs

CD4511

BCD-to-7-segment latch/decoder/driver with push-pull active-high outputs

CD4060

14-stage binary ripple counter with built-in oscillator

28C16

2Kx8 EEPROM — programmable contents

28C256

32Kx8 EEPROM — programmable contents

Microcontrollers

Arduino UNO R3

ATmega328P-based microcontroller board

RP2040 MicroPython Board

Generic RP2040

BBC micro:bit V1

BBC micro:bit V1 MicroPython board with a 5x5 LED display

Arduino Nano (classic)

ATmega328P microcontroller on a 30-pin DIP-style board

Drivers

ULN2003A

7-channel Darlington sink array

ULN2803A

8-channel Darlington sink array

L293D Dual H-Bridge

Quadruple half-H driver capable of driving two DC motors bidirectionally or four independent loads

TB6612FNG Dual H-Bridge

Dual full-H-bridge motor driver module

Displays

MAX7219 8x8 LED Matrix

SPI-controlled 8x8 LED matrix driver module

HD44780 16x2 LCD

HD44780-compatible 16-character x 2-line character LCD module

Electromechanical

5 V SPDT Relay

Electromechanical single-pole double-throw relay

Outputs

Red LED

Red-coloured light emitting diode

Green LED

Green-coloured light emitting diode

Blue LED

Blue-coloured light emitting diode

White LED

White-coloured light emitting diode

Yellow LED

Amber LED

Bicolour LED

Two-colour LED with shared cathode

RGB LED

RGB LED with common cathode

7-Seg (CC)

Single-digit 7-segment display with two internally bonded common-cathode leads

7-Seg (CA)

Single-digit 7-segment display with two internally bonded common-anode leads

Active Buzzer

Active piezo/magnetic buzzer with internal oscillator

Passive Buzzer

Passive piezo buzzer without internal oscillator

8 Ohm Speaker

Small 8 Ω permanent-magnet speaker for breadboard audio circuits

DC Motor

Generic brushed DC motor

Hobby Servo (SG90)

PWM-controlled rotary position actuator

Bipolar Stepper Motor (NEMA 17)

4-wire bipolar stepper motor with two independent coils

Inputs

Switch (SPST)

Single-pole single-throw toggle

Push Button

Momentary push button

DPDT Push Switch

6-pin DPDT latching

SPDT Switch

Single-pole double-throw switch

Potentiometer

3-terminal variable resistor with linear or log taper

Trimmer

PCB-mount variable resistor

LDR

Light-dependent resistor

Thermistor (NTC)

Negative-temperature-coefficient thermistor

DIP Switch

Classic red through-hole DIP switch

Ultrasonic Distance Sensor (HC-SR04)

Ultrasonic time-of-flight distance sensor

Channels0/0

No live nodes.

Diff probe

No channels selected

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