Technical & Control Symbols

This page contains a complete collection of 140 technical and control symbols. These symbols play important roles in computer science, digital communication, accessibility design, user interfaces, and electronic engineering. They are essential for technical standards, professional documents, and specialized fields.

Control Pictures

␀ is called the "Null Symbol". It represents a null character. Its Unicode is U+2400, the LaTeX command is \textnul, and the HTML entity is ␀.

␁ is called the "Start of Heading Symbol". Its Unicode is U+2401, and the HTML entity is ␁.

␂ is called the "Start of Text Symbol". Its Unicode is U+2402, and the HTML entity is ␂.

␃ is called the "End of Text Symbol". Its Unicode is U+2403, and the HTML entity is ␃.

␈ is called the "Backspace Symbol". Its Unicode is U+2408, the LaTeX command is \textbackspace, and the HTML entity is ␈.

␉ is called the "Horizontal Tab Symbol". Its Unicode is U+2409, the LaTeX command is \texttab, and the HTML entity is ␉.

␊ is called the "Line Feed Symbol". Its Unicode is U+240A, the LaTeX command is \textlf, and the HTML entity is ␊.

␍ is called the "Carriage Return Symbol". Its Unicode is U+240D, the LaTeX command is \textcr, and the HTML entity is ␍.

␛ is called the "Escape Symbol". Its Unicode is U+241B, the LaTeX command is \textescape, and the HTML entity is ␛.

Braille Patterns

⠀ is called the "Blank Braille Symbol". Its Unicode is U+2800, the LaTeX command is \braille{ }, and the HTML entity is ⠀.

⠁ is called the "Braille Dots 1 Symbol". Its Unicode is U+2801, the LaTeX command is \braille{a}, and the HTML entity is ⠁.

⠃ is called the "Braille Dots 1-2 Symbol". Its Unicode is U+2803, the LaTeX command is \braille{b}, and the HTML entity is ⠃.

⠿ is called the "Braille Dots 1-2-3-4-5-6 Symbol". Its Unicode is U+283F, and the HTML entity is ⠿.

Technical Symbols

⌘ is called the "Command Key Symbol". Its Unicode is U+2318, the LaTeX command is \cmd, and the HTML entity is ⌘.

⌥ is called the "Option Key Symbol". Its Unicode is U+2325, the LaTeX command is \option, and the HTML entity is ⌥.

⌫ is called the "Backspace Key Symbol". Its Unicode is U+232B, the LaTeX command is \backspace, and the HTML entity is ⌫.

⌦ is called the "Delete Key Symbol". Its Unicode is U+2326, the LaTeX command is \delete, and the HTML entity is ⌦.

⏏ is called the "Eject Key Symbol". Its Unicode is U+23CF, and the HTML entity is ⏏.

⏚ is called the "Ground Symbol". Its Unicode is U+23DA, the LaTeX command is \textground, and the HTML entity is ⏚.

Electronic Symbols

⏻ is called the "Power Symbol". Its Unicode is U+23FB, the LaTeX command is \powerswitch, and the HTML entity is ⏻.

⏼ is called the "Standby Symbol". Its Unicode is U+23FC, and the HTML entity is ⏼.

⏽ is called the "Power On/Off Symbol". Its Unicode is U+23FD, and the HTML entity is ⏽.

⎋ is called the "Escape Key Symbol". Its Unicode is U+238B, the LaTeX command is \esc, and the HTML entity is ⎋.

⎓ is called the "DC Power Symbol". Its Unicode is U+2393, and the HTML entity is ⎓.

Usage Notes

Control pictures are used for visual representation of ASCII control characters. Braille patterns serve accessibility and tactile communication. Technical symbols are widely used in UI design and documentation. Electronic symbols represent power, controls, and circuit elements. Always use appropriate fonts for cross-platform compatibility.

Usage Tips

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