217 snippets
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Real Wind examples, added as they are written. Open one to see the result and read its code.
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217 snippets, newest first.
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Flutter Seven Segment Display Card with Lit LED Digits and Register Byte Decoder
A seven segment LED card for embedded, IoT and maker apps: a four digit red display reading 12.45 with unlit segments still glowing faintly, an enlarged digit with segments A to G and the decimal point labelled, its MAX7219 no-decode register byte 0xED in hex and binary, and a DP to G bit strip from D7 to D0.
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Flutter Pascal Triangle Card with Odd Entry Pattern and Row Sums
A Flutter Pascal's triangle card for maths and tutoring apps: rows 0 to 7 as binomial coefficient tiles, odd entries shaded so the Sierpinski pattern shows, and a row sum gutter doubling from 1 to 128. Counts 36 entries, 27 odd, 255 total. Centred wind_kit rows, one node per number.
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Flutter Income Tax Band Card with Marginal Rate Staircase and Effective Rate
A Flutter income tax card for payroll, budgeting and personal finance apps: UK 2026/27 personal allowance, basic and higher rate bands drawn to scale for a 60,000 pound salary, tax per band and tiles for total, effective rate and marginal rate. Baseline-aligned wind_kit bars.
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Flutter File Permission Card with rwx Grid and Octal Mode Readout
A Flutter file permission card for DevOps dashboards, hosting panels and learning apps: a terminal-style grid of owner, group and other against read, write and execute, bits worth 4, 2 and 1 summing to the octal digits of mode 755, plus the chmod command and the -rwxr-xr-x listing. Built with wind_kit.
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Flutter Runway Markings Card with Designator, Threshold Stripes and Aiming Point
A Flutter runway markings card for aviation and flight training apps: the approach end of runway 27 drawn to scale, with eight threshold stripes, the designator from a 268 degree heading, a dashed centreline and twin aiming point bars, each called out. Absolute positioning in wind_kit.
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Flutter Morse Code Card with Dot Dash Timing Signal Strip
A Morse code keyer card for learning and ham radio apps: HELLO spelled with dot and dash pills under each letter, a 49 unit signal strip drawn to scale with on marks and letter gaps, the four timing rules for dots, dashes, letter gaps and word gaps, and a key button.
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Flutter Contrast Checker Card with WCAG AA and AAA Pass Badges
A WCAG 2.2 colour contrast card for design system and accessibility apps: text and background swatches, a live preview of body and large text, the 3.74:1 ratio on a threshold scale, AA and AAA pass or fail tiles for normal and large text, and a one-tap fix to the nearest passing shade.
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Flutter Connect Four Board Card with Winning Diagonal and Series Score
A Connect Four game card for casual and board game apps: a 7 by 6 board with ringed winning discs on the diagonal, a marker over the last column played, the head to head series score, move and disc counts, and a play-again button.
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Flutter Resistor Colour Code Card with Four Band Decoder and Ohm Readout
A 4-band resistor decoder card for electronics and maker apps: a through-hole resistor drawn in red, violet, green and gold, a per-band legend, the decoded 2.7 MΩ value with its ±5% range, and the full 0 to 9 digit colour strip with the used bands outlined.
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Flutter Subnet Calculator Card with 32 Bit Network and Host Grid
A Flutter subnet calculator card for network and developer tools: an IPv4 address with its CIDR prefix, all 32 bits by octet with network and host bits in two colours, plus network, mask, first and last host, broadcast and usable hosts. A correct /21 worked example built with wind_kit.
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Flutter Hearing Test Card with Audiogram Ear Markers and Severity Bands
A Flutter hearing test card for health apps: a pure tone audiogram with red circles for the right ear and blue crosses for the left, dotted threshold lines from 250 Hz to 8 kHz, severity bands, per-ear averages and a noise notch callout. Fixed-pixel wind_kit layout that scales cleanly.
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Flutter Soroban Abacus Card with Heaven and Earth Bead Rods
A Flutter soroban trainer card for maths and education apps: seven rods with heaven beads worth 5 and earth beads worth 1 set against the reckoning beam, unit dots, the digit under each rod and a streak, accuracy and pace row. Bead positions are computed from the number. Built with wind_kit.
