Design Tools
Try It Now Button

Scheme-it –

Schematic Drawing and Block Diagramming Made Easy.

Scheme-it is an online schematic and diagramming tool that allows anyone to design and share electronic circuit diagrams. The tool includes a comprehensive electronic symbol library and an integrated Digi-Key component catalog that allows for a wide range of circuit designs. Additionally, a built-in bill of materials manager is provided to keep track of parts used in a design. Once a schematic drawing is complete, users can export it to an image file or share it via email with others. Scheme-it works natively in all major web browsers without requiring the use of any plugins. Only registered users are able to share and save designs.

Schematic Design

Video Tutorials
Schematic Design Icon

Design and share electronics schematics and technical diagrams.

Bill of Materials Manager

Bill Icon

Keep track of parts used in each design with Digi-Key's BOM Manager.

Digi-Key Catalog

Catalog Icon

Utilize an integrated electronic symbol library and the Digi-Key component catalog.


  • Ability to diagram at the Block, Icon, System, or Schematic level.
  • A library of over 700 generic symbols, as well as custom symbol creation.
  • Access to over 4 million components via Digi-Key Catalog integration.
  • Freedom to keep designs private, make public, share via link, or embedded into web pages, blogs or emails.
  • Rapid design evolution via Bill of Material (BOM) import capability.
  • Integrated Bill of Materials and quoting.
  • Export into PDF or PNG files.
  • A direct link to Digi-Key Technical Support for help with component selection activities.
English  |  Español