GPIO access with Node.js
$ npm i node-web-gpio
import { requestGPIOAccess } from "node-web-gpio";
import { setTimeout as sleep } from "node:timers/promises";
const gpioAccess = await requestGPIOAccess();
const port = gpioAccess.ports.get(26);
await port.export("out");
while (true) {
await port.write(1);
await sleep(1000);
await port.write(0);
await sleep(1000);
}