How do I make a schematic diagram?

Describe your circuit in the prompt box: name the components (resistors, capacitors, op-amps, transistors), explain how they connect, and mention any labels or reference designators you need. Choose a style, then click Generate. Refine the description if you want to adjust the layout or add more detail.

Is the schematic diagram maker free?

Yes. Every account starts with free credits you can use to generate schematics right away. Buying a pay-as-you-go credit pack removes the watermark and unlocks higher resolution exports up to 4K. Credits never expire.

What is the difference between a schematic and a wiring diagram?

A schematic uses standardized abstract symbols (resistor, capacitor, transistor) to show how a circuit works electrically, without regard to physical layout. A wiring diagram shows the actual physical connections between components, often using pictorial representations. Schematics are used for circuit design and documentation; wiring diagrams are used for installation and troubleshooting.

What symbols are used in electronic schematics?

Electronic schematics use standardized symbols for every component type: zigzag or rectangular boxes for resistors, parallel lines for capacitors, coils for inductors, triangles for diodes and op-amps, and three-terminal symbols for transistors. IEEE and IEC are the two most common symbol standards. Figviz defaults to the classic IEEE/ANSI style and can produce IEC-style symbols on request.

Can I use Figviz schematics for electronics projects and PCB design?

Yes. Figviz schematics are great for planning, documentation, presentations, and quick communication of a circuit concept. For production PCB design you will still need a dedicated EDA tool (such as KiCad or Altium) to produce netlist files and manufacturing outputs, but a Figviz schematic is an ideal starting point for capturing and sharing the circuit intent.

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Schematic Diagram Maker Schematic Diagrams

Describe your circuit or system and get a clean, labeled schematic diagram in seconds, with standard component symbols, connecting lines, and reference designators. Electronic circuits, power supplies, amplifiers, and block-level systems.

Last updated: 2026-06-21

✓Standard component symbols✓Reference designators✓Block and circuit level✓Print and doc ready

Schematic Diagram Maker

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Schematic Diagram Examples

Browse schematics made with Figviz, or generate your own above

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Electronic Circuit Schematic

A complete electronic circuit schematic using standard IEEE component symbols with labeled reference designators.

electronicscircuitcomponents

Power Supply Schematic

A regulated DC power supply schematic from AC mains to a stable DC output voltage.

power supplyrectifiervoltage regulator

Op-Amp Amplifier Schematic

A non-inverting op-amp amplifier schematic with gain-setting resistors and supply decoupling.

amplifierop-ampanalog

Block-Level System Schematic

A block diagram schematic showing the major functional subsystems and signal flow of an embedded system.

block diagramsystemembedded

Arduino Sensor Wiring Schematic

A sensor interface schematic showing an Arduino-compatible microcontroller connected to a temperature sensor, LED, and push button.

Arduinosensorwiring

Labeled Schematic with Reference Designators

A professional schematic with complete reference designators, component values, and net labels for PCB handoff.

reference designatorsPCBprofessional

What is a schematic diagram maker?

A schematic diagram maker is a tool that generates technical drawings of electronic circuits or systems using standardized component symbols and connecting lines. Traditional schematic tools require you to place individual symbols by hand and route every wire manually. Figviz takes a plain description of your circuit and produces a clean, labeled schematic in seconds, complete with reference designators, power rails, and ground symbols, so you can focus on the design rather than the drafting.

How to make a schematic diagram

Identify the circuit or system you want to document (e.g. a voltage regulator, sensor interface, or amplifier stage).

List the key components and any specific connections or signal paths that must be shown.

Enter a plain-English description in the prompt box above.

Choose a style (Classic for engineering docs, Colorful for presentations, Minimal for clean prints).

Click Generate and review the output. Refine the prompt to adjust component placement, add labels, or highlight specific nets.

Download the high-resolution PNG for use in datasheets, reports, slide decks, or PCB documentation.

Common schematic symbols and what they mean

Resistor: a rectangular box (IEC) or zigzag line (ANSI/IEEE) representing opposition to current flow, labeled R.

Capacitor: two parallel lines (or one curved for polarized types) representing stored charge, labeled C.

Inductor: a series of humps or a coil symbol representing stored magnetic energy, labeled L.

Transistor (BJT): three terminals labeled base, collector, and emitter with an arrow on the emitter showing current direction, labeled Q.

Op-amp: a triangle with two inputs (inverting and non-inverting) and one output, labeled U or IC.

Diode: a triangle pointing toward a line showing the direction of conventional current flow, labeled D.

Ground: a set of descending horizontal lines or a downward-pointing triangle indicating the circuit reference point.

VCC / VDD / supply rail: an upward arrow or labeled node indicating the positive supply voltage.

Tips for a clear and accurate schematic

Always name components with reference designators (R1, C2, U3) and include their values (10k, 100nF, LM317) in the description so the generated schematic is documentation-ready. For complex circuits, describe subsections separately and note how they connect (e.g. "the output of the filter feeds the ADC input on the microcontroller"). If a specific standard matters (IEEE, IEC, or a company style guide), mention it in the prompt. For block-level schematics, label each block with its function and specify the direction of signal flow so the layout reads left to right.

Frequently asked questions

A schematic diagram maker is a tool that creates technical drawings of electronic circuits or systems using standard component symbols and connecting lines. Figviz uses AI to generate clean, labeled schematics from a plain-English description of your circuit, saving you the time of placing and routing symbols by hand.

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