krishnax12/usb-c-control-dial

USB-C control dial PCB with an EC11 push encoder and a 16-LED ring for volume and brightness controls. Work in progress; firmware not included and not fabrication-ready.

Version: 0.0.3
License: unset
Stars: 1

components/board-outline.ts

import { applyToPoint, rotateDEG } from "transformation-matrix"

export const boardRadius = 40
const outlineSegmentCount = 128

// At this radius, 128 segments stay within 0.013 mm of the ideal circle.
export const boardOutline = Array.from(
  { length: outlineSegmentCount },
  (_, index) =>
    applyToPoint(rotateDEG((360 * index) / outlineSegmentCount), {
      x: boardRadius,
      y: 0,
    }),
)