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feat: add new element ht16k33a #198

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5a6536c
feat: add new element ht16k33a
yparisien Mar 5, 2026
f9ca207
fix: lint code and add double quotes to y parameters
yparisien Mar 6, 2026
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10 changes: 10 additions & 0 deletions src/ht16k33a-element.spec.ts
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import { describe, it } from 'vitest';
import { Ht16k33aElement } from './ht16k33a-element';
import { renderToPng, savePng } from './utils/test-utils';

describe('Ht16k33aElement', () => {
it('should render to svg', async () => {
const pngData = await renderToPng(new Ht16k33aElement());
await savePng('wokwi-ht16k33a', pngData);
});
});
11 changes: 11 additions & 0 deletions src/ht16k33a-element.stories.ts
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import { html } from 'lit';
import './ht16k33a-element';

export default {
title: 'HT16K33A',
component: 'wokwi-ht16k33a'
};

const Template = () => html`<wokwi-ht16k33a></wokwi-ht16k33a>`;

export const Default = Template.bind({});
149 changes: 149 additions & 0 deletions src/ht16k33a-element.ts
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import { html, LitElement, svg, css } from 'lit';
import { customElement } from 'lit/decorators.js';
import { ElementPin, i2c, GND, VCC } from './pin';

@customElement('wokwi-ht16k33a')
export class Ht16k33aElement extends LitElement {
get pinInfo(): readonly ElementPin[] {
const pinXY = (isLeft: boolean, y: number) => {
return { x: isLeft ? 5.75 : 71.75, y: 6.85 + y * 9.45 };
};

return [
{ name: 'GND', ...pinXY(true, 0), signals: [GND()] },
{ name: 'C0', ...pinXY(true, 1), signals: [] },
{ name: 'C1', ...pinXY(true, 2), signals: [] },
{ name: 'C2', ...pinXY(true, 3), signals: [] },
{ name: 'C3', ...pinXY(true, 4), signals: [] },
{ name: 'C4', ...pinXY(true, 5), signals: [] },
{ name: 'C5', ...pinXY(true, 6), signals: [] },
{ name: 'C6', ...pinXY(true, 7), signals: [] },
{ name: 'C7', ...pinXY(true, 8), signals: [] },
{ name: 'A15', ...pinXY(true, 9), signals: [] },
{ name: 'A14', ...pinXY(true, 10), signals: [] },
{ name: 'A13', ...pinXY(true, 11), signals: [] },
{ name: 'A12', ...pinXY(true, 12), signals: [] },
{ name: 'A11', ...pinXY(true, 13), signals: [] },

{ name: 'VCC', ...pinXY(false, 0), signals: [VCC(5)] },
{ name: 'SDA', ...pinXY(false, 1), signals: [i2c('SDA')] },
{ name: 'SCL', ...pinXY(false, 2), signals: [i2c('SCL')] },
{ name: 'A0', ...pinXY(false, 3), signals: [] },
{ name: 'A1', ...pinXY(false, 4), signals: [] },
{ name: 'A2', ...pinXY(false, 5), signals: [] },
{ name: 'A3', ...pinXY(false, 6), signals: [] },
{ name: 'A4', ...pinXY(false, 7), signals: [] },
{ name: 'A5', ...pinXY(false, 8), signals: [] },
{ name: 'A6', ...pinXY(false, 9), signals: [] },
{ name: 'A7', ...pinXY(false, 10), signals: [] },
{ name: 'A8', ...pinXY(false, 11), signals: [] },
{ name: 'A9', ...pinXY(false, 12), signals: [] },
{ name: 'A10', ...pinXY(false, 13), signals: [] },
];
}

static get styles() {
return css`
text {
font-size: 1.75px;
font-family: monospace;
user-select: none;
fill: #ffffff;
}
.brand {
font-size: 2.5px;
fill: #cccccc;
}
.model {
font-size: 2.25px;
fill: #cccccc;
}
`;
}

render() {
return html`
<svg
width="20.4mm"
height="35.8mm"
version="1.1"
viewBox="0 0 20.4 35.8"
xmlns="http://www.w3.org/2000/svg"
>
<defs>
<rect id="lead" width="2.3" height=".7" />
<circle id="pad" r=".85" />
<g id="debug">
<rect x="0" y="0" width="3.275" height="1.9" fill="#333" />
<rect x=".125" y=".15" width="1.2" height="1.6" fill="#fc0" />
<rect x="1.925" y=".15" width="1.2" height="1.6" fill="#fc0" />
</g>
</defs>
<rect x="0" y="0" width="20.4" height="35.8" fill="#0078d0" />
<g fill="#ccc">
<g transform="translate(19, 0)">
${Array.from({ length: 14 }).map(
(_, i) => svg`<use xlink:href="#pad" y="${1.8 + i * 2.5}" />`,
)}
</g>
<g transform="translate(1.5, 0)">
${Array.from({ length: 14 }).map(
(_, i) => svg`<use xlink:href="#pad" y="${1.8 + i * 2.5}" />`,
)}
</g>
<circle cx="10.25" cy="2.7" r="2" />
<circle cx="10.25" cy="33.2" r="2" />
</g>
<g stroke-width=".25">
<rect x="6.45" y="6.1" width="7.55" height="17.6" fill="#333" />
<g fill="#ccc" transform="translate(4.2, 0)">
${Array.from({ length: 14 }).map(
(_, i) => svg`<use xlink:href="#lead" y="${6.4 + i * 1.25}" />`,
)}
</g>
<g fill="#ccc" transform="translate(13.975, 0)">
${Array.from({ length: 14 }).map(
(_, i) => svg`<use xlink:href="#lead" y="${6.4 + i * 1.25}" />`,
)}
</g>
<circle cx="8" cy="7.5" r=".75" />
</g>
<g>
<text x="2.5" y="2.4">GND</text>
<g text-anchor="end">
<text x="18" y="2.4">VDD</text>
<text x="18" y="4.9">SDA</text>
</g>
<g transform="translate(2.6, 24.875)">
${['A15', 'A14', 'A13', 'A12', 'A11'].map(
(label, i) => svg`<text y=${i * 2.5}>${label}</text>`,
)}
</g>
<g transform="translate(17.85, 24.875)" text-anchor="end">
${['A6', 'A7', 'A8', 'A9', 'A10'].map(
(label, i) => svg`<text y=${i * 2.5}>${label}</text>`,
)}
</g>
<g transform="translate(4, 5.5) rotate(-90)">
${['C0', 'C1', 'C2', 'C3', 'C4', 'C5', 'C6', 'C7'].map(
(label, i) => svg`<text x=${i * -2.45}>${label}</text>`,
)}
</g>
<g transform="translate(17.8, 8.2) rotate(-90)">
${['SCL', 'A0', 'A1', 'A2', 'A3', 'A4', 'A5'].map(
(label, i) => svg`<text x=${i * -2.45}>${label}</text>`,
)}
</g>
</g>
<rect x="10" y="24.5" width="3.5" height="6.2" fill="#ececec" />
<g transform="translate(10.125, 24.5)">
${Array.from({ length: 3 }).map(
(_, i) => svg`<use xlink:href="#debug" y="${0.125 + i * 2.025}" />`,
)}
</g>
<text transform="rotate(90)" x="9.5" y="-11" class="brand">Holtek</text>
<text transform="rotate(90)" x="9.5" y="-9" class="model">HT16K33A</text>
</svg>
`;
}
}
1 change: 1 addition & 0 deletions src/index.ts
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Expand Up @@ -52,3 +52,4 @@ export { SmallSoundSensorElement } from './small-sound-sensor-element';
export { SSD1306Element } from './ssd1306-element';
export { StepperMotorElement } from './stepper-motor-element';
export { TiltSwitchElement } from './tilt-switch-element';
export { Ht16k33aElement } from './ht16k33a-element';
2 changes: 2 additions & 0 deletions src/react-types.ts
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Expand Up @@ -52,6 +52,7 @@ import { HX711Element } from './hx711-element';
import { KS2EMDC5Element } from './ks2e-m-dc5-element';
import { BiaxialStepperElement } from './biaxial-stepper-element';
import type React from 'react';
import { Ht16k33aElement } from './ht16k33a-element';

type WokwiElement<T> = Partial<T> & React.ClassAttributes<T>;

Expand Down Expand Up @@ -108,6 +109,7 @@ declare global {
'wokwi-hx711': WokwiElement<HX711Element>;
'wokwi-ks2e-m-dc5': WokwiElement<KS2EMDC5Element>;
'wokwi-biaxial-stepper': WokwiElement<BiaxialStepperElement>;
'wokwi-ht16k33a': WokwiElement<Ht16k33aElement>;
}
}
}