Credits

Symbol drawings

The symbol drawings on this site, in SVG and PNG, are original and released under the Creative Commons Attribution 4.0 licence. You may copy, adapt and share them, including commercially, if you credit "Circuit Symbols (circuitsymbols.com)" and note any changes.

Teaching material

Many explanations on this site draw on Tony R. Kuphaldt's Modular Electronics Learning and Lessons In Electric Circuits, which are published under CC BY 4.0.⁠[Source 1, Source 2]

Typefaces

Space Grotesk, Public Sans and Red Hat Mono, under the SIL Open Font License 1.1.

Sources

1. Modular Electronics Learning — authorship and CC BY 4.0 notice

   Tony R. Kuphaldt, retrieved 2026-09-22.

2. Lessons In Electric Circuits, Vol. V — §9, Circuit Schematic Symbols (pp. 130–139)

   Tony R. Kuphaldt, retrieved 2026-09-22.