diff --git a/Week 4/WiFi/WiFi.esp8266.esp8266.nodemcuv2.bin b/Week 4/WiFi/WiFi.esp8266.esp8266.nodemcuv2.bin
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diff --git a/Week 4/WiFi/WiFi.esp8266.esp8266.nodemcuv2.elf b/Week 4/WiFi/WiFi.esp8266.esp8266.nodemcuv2.elf
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diff --git a/Week 4/WiFi/WiFi.ino b/Week 4/WiFi/WiFi.ino
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+++ b/Week 4/WiFi/WiFi.ino	
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+#include <ESP8266WiFi.h>
+
+const char* ssid     = "FundamentosRedes";
+const char* password = "00000005";
+
+void setup() {
+  Serial.begin(115200);
+  Serial.println("");
+  Serial.print("CONECTANDO A SSID:");
+  Serial.println(ssid);
+
+  WiFi.begin(ssid, password);
+
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+  }
+  Serial.print("Conectado. Dirección IP: ");
+  Serial.println(WiFi.localIP());
+}
+
+void loop() {
+  if( WiFi.status() == WL_CONNECTED){
+    Serial.println("");
+    Serial.print("Conectado. Dirección IP: ");
+    Serial.println(WiFi.localIP());
+  }
+  else{
+    Serial.println("");
+    Serial.println("WiFi no conectada");
+  }
+  delay(1000);
+}