gsampallo

#include <ESP8266WiFi.h>
#include <PubSubClient.h>

const char* ssid = "wifi";
const char* password = "clave";
const char* mqtt_server = "mqtt_server";

int devicePin = 2;

WiFiClient espClient;

gsampallo

#
# Raspberry Pi System Stats
# Save temperature, cpu usage and others to ThingSpeak channel
# Check the article: https://www.gsampallo.com/blog/2019/10/20/estadisticas-de-sistemas-de-raspberry-pi/
#
import subprocess
import json
import requests

p = subprocess.Popen(['iostat','-c','-o','JSON'], stdout=subprocess.PIPE,stderr=subprocess.PIPE)

gsampallo

void loop() {
  estado = digitalRead(sensor); //se lee el estado del sensor
  Serial.print("Estado del sensor = ");
  Serial.println(sensor);

  //Vaciamos la pantalla
  oled.crearDisplay();
  oled.setTextColor(WHITE);
  oled.setCursor(0,0);
  oled.setTextSize(2);

gsampallo

#include <ESP8266WiFi.h>

const char* ssid = "NOMBRE_RED";
const char* password = "PASSWORD_RED";

void setup() {

  Serial.begin(115200);

  WiFi.begin(ssid,password);

gsampallo

#include <ESP8266WiFi.h>

const char* ssid = "NOMBRE_RED";
const char* password = "PASSWORD_RED";

WiFiServer servidor(80);

void setup() {

  Serial.begin(115200);

gsampallo

#include <ESP8266WiFi.h>

const char* ssid = "SSID_NETWORK";
const char* password = "PASSWORD_NETWORK";

WiFiServer servidor(80);

int pinLed1 = 5; //D1

void setup() {

gsampallo

#include <ESP8266WiFi.h>
#include <PubSubClient.h>

//Reemplace por los datos de la red iot
const char* ssid = "Nombre_red"; 
const char* password = "Clave_red";

const char* mqtt_server = "Servidor_MQTT";

WiFiClient espClient;

gsampallo

#include <ESP8266WiFi.h>
#include <PubSubClient.h>

//Reemplace por los datos de la red iot
const char* ssid = "Nombre_red"; 
const char* password = "password";

const char* mqtt_server = "mqtt_server";

WiFiClient espClient;

gsampallo

/*
 * Send Push notification from NodeMCU with Pushbullet API
 * https://www.gsampallo.com/2020/07/09/envio-de-notificaciones-desde-nodemcu-con-pushbullet/
 * Guillermo Sampallo 2020
 */
#include <ESP8266WiFi.h>

const char* ssid = "SSD_NETWORK";
const char* password = "PASSWORD_NETWORK";

gsampallo

/*
 * How to use a digital potenciometer with Arduino
 * Link to article: https://www.gsampallo.com/?p=952
 */
#include <SPI.h>

byte address = 0x00;
int CS = 10;

void setup() {