# @boardname@ The @boardname@ device api. #microbit Initialize the library. {shim:} MACRO: shim ``` if (board == null) { compassHeadingValue = (<number>null) startTime = new Date() board = media.createPortraitBoard(612, 498 + 100) wall.setBackground(colors.transparent()) let picture = microbitSchema.clone() let padding = 27 let left = 205 let top = 156 picture.fillRect(left - padding, top, 205 + padding + 4, 200 + padding + 4, 0, colors.black()) picture.fillRect(274, 74, 63, 16, 0, colors.black()) bkg = board.createPicture(picture) bkg.width() = board.width() bkg.left() = 0 bkg.top() = 0 createButtons() finger = board.createEllipse(20, 20) finger.setOpacity(0) ledOnColor = "#ff4f4f".toColor() ledOffColor = colors.transparent() boardColor = colors.fromRgb(0.85, 0.95, 0.85) backLeds = board.createSpriteSet() leds = board.createSpriteSet() let backLedColor = "#202020".toColor() let ledOpacity = 127 / 255 let ledW = 10 let ledOffset = 48 let ledH = 20 for (let i = 0; i < 5; i++) { let ledTop = i * ledOffset + top for (let j = 0; j < 5; j++) { let ledLeft = j * ledOffset + left let backLed = board.createRectangle(ledW, ledH) backLed.setColor(backLedColor) let led = board.createRectangle(ledW + 8, ledH + 8) backLed.left() = ledLeft backLed.top() = ledTop led.x() = backLed.x() led.y() = backLed.y() led.setOpacity(ledOpacity) led.setColor(ledOffColor) led.setShadow(10, colors.red(), 0, 0) ledIndexAnim(backLed, j, i) backLeds.add(backLed) leds.add(led) } } initEyes() initAxis() initPins() updateAxis() backgroundAnimation() board.onEveryFrame(() => { updateBoard() }) board.postToWall() } ```