import { Board, Led } from "johnny-five"; const board = new Board({ port: '/dev/ttyUSB0', repl: false, debug: false }) board.on('ready', () => { const led = new Led.RGB({ pins: { red: 7, green: 6, blue: 5, }, isAnode: true }) let ins = 100; board.loop(10, () => { led.intensity(ins); ins--; if (ins < 1) { ins = 100; } }) });