juangl

const { Chip, Line } = require('node-libgpiod');

const COIN_GPIO = 21;          // ⚠️ cambia al pin correcto
const GAP_US      = 60_000;    // hueco >60 ms - fin del tren
const WAIT_MS     = 5;         // pooling corto para minimizar pérdidas

/* ───── Inicialización ─────────────────────────────────────────────── */
const chip = new Chip(0);                     // /dev/gpiochip0
const line = new Line(chip, COIN_GPIO);

juangl

import React, { useCallback } from 'react';

type FetchReducerActions<DataT> =
  | { type: 'REQUEST_START' }
  | { type: 'REQUEST_SUCCESS'; payload: DataT }
  | { type: 'REQUEST_ERROR'; error: Error }
  | { type: 'FETCH_NEXT_PAGE' }
  // use to fetch again after an error
  | { type: 'RETRY' };