{"id":1632,"date":"2019-03-20T15:47:29","date_gmt":"2019-03-20T20:47:29","guid":{"rendered":"http:\/\/blog.espol.edu.ec\/edelros\/?p=1632"},"modified":"2026-08-04T21:50:32","modified_gmt":"2026-08-05T02:50:32","slug":"esp32-buscarredes","status":"publish","type":"post","link":"https:\/\/blog.espol.edu.ec\/girni\/esp32-buscarredes\/","title":{"rendered":"ESP32 BuscarRedes"},"content":{"rendered":"\n<p>B\u00fasqueda de redes cercanas y sus respectivas potencias, la red marcada con rojo es el ESP32&nbsp; revisado desde una laptop.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><a href=\"http:\/\/blog.espol.edu.ec\/girni\/files\/2019\/03\/ESP32_ScanNetwork01.png\"><img loading=\"lazy\" decoding=\"async\" width=\"414\" height=\"350\" src=\"http:\/\/blog.espol.edu.ec\/girni\/files\/2019\/03\/ESP32_ScanNetwork01.png\" alt=\"\" class=\"wp-image-1633\" srcset=\"https:\/\/blog.espol.edu.ec\/girni\/files\/2019\/03\/ESP32_ScanNetwork01.png 414w, https:\/\/blog.espol.edu.ec\/girni\/files\/2019\/03\/ESP32_ScanNetwork01-300x254.png 300w\" sizes=\"auto, (max-width: 414px) 100vw, 414px\" \/><\/a><\/figure>\n\n\n\n<pre class=\"wp-block-code\"><code>Busca redes WiFi cercanas\nBusqueda completada \n29 redes encontradas\n1: ESP_0A797B (-46) \n2: GUAIFAI (-62)*\n3: Red Oculta\n...<\/code><\/pre>\n\n\n\n<p><strong>Instrucciones<\/strong><\/p>\n\n\n\n<p>Usando la libreria WiFi.h<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code alignwide\"><pre class=\"brush: arduino; title: ; notranslate\" title=\"\">\n\/* Redes disponibles\n *  Realiza una b\u00fasqueda de redes Wifi cercanas\n *\/\n#include &lt;WiFi.h&gt;\n\nvoid setup()\n{\n    Serial.begin(115200);\n\n    \/\/ Si estaba conectada como estaci\u00f3n, se desconecta.\n    WiFi.mode(WIFI_STA);\n    WiFi.disconnect();\n    delay(100);\n\n    Serial.println(&quot;Configuraci\u00f3n completada.&quot;);\n}\n\nvoid loop()\n{\n    Serial.println(&quot;Busca redes WiFi cercanas&quot;);\n\n    \/\/determina el n\u00famero de redes cercanas\n    int n = WiFi.scanNetworks();\n    Serial.println(&quot;Busqueda completada &quot;);\n    \n    if (n == 0) {\n        Serial.println(&quot;NO se encontraron redes.&quot;);\n    } else {\n        Serial.print(n);\n        Serial.println(&quot; redes encontradas&quot;);\n        for (int i = 0; i &lt; n; ++i) {\n            \/\/ Muestra el SSID y RSSI de cada red encontrada\n            Serial.print(i + 1);\n            Serial.print(&quot;: &quot;);\n            Serial.print(WiFi.SSID(i));\n            Serial.print(&quot; (&quot;);\n            Serial.print(WiFi.RSSI(i));\n            Serial.print(&quot;)&quot;);\n            Serial.println((WiFi.encryptionType(i) == WIFI_AUTH_OPEN)?&quot; &quot;:&quot;*&quot;);\n            delay(10);\n        }\n    }\n    Serial.println(&quot;&quot;);\n\n    \/\/ Espera antes de la pr\u00f3xima b\u00fasqueda...\n    delay(5000);\n}\n<\/pre><\/div>\n\n\n<p><em><strong>Referencia<\/strong><\/em>: <a href=\"https:\/\/github.com\/espressif\/arduino-esp32\/blob\/master\/libraries\/WiFi\/examples\/WiFiScan\/WiFiScan.ino\">https:\/\/github.com\/espressif\/arduino-esp32\/blob\/master\/libraries\/WiFi\/examples\/WiFiScan\/WiFiScan.ino<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u00fasqueda de redes cercanas y sus respectivas potencias, la red marcada con rojo es el ESP32&nbsp; revisado desde una laptop. Instrucciones Usando la libreria WiFi.h Referencia: https:\/\/github.com\/espressif\/arduino-esp32\/blob\/master\/libraries\/WiFi\/examples\/WiFiScan\/WiFiScan.ino<\/p>\n","protected":false},"author":8043,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1321654],"tags":[],"class_list":["post-1632","post","type-post","status-publish","format-standard","hentry","category-modulos"],"_links":{"self":[{"href":"https:\/\/blog.espol.edu.ec\/girni\/wp-json\/wp\/v2\/posts\/1632","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.espol.edu.ec\/girni\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.espol.edu.ec\/girni\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.espol.edu.ec\/girni\/wp-json\/wp\/v2\/users\/8043"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.espol.edu.ec\/girni\/wp-json\/wp\/v2\/comments?post=1632"}],"version-history":[{"count":2,"href":"https:\/\/blog.espol.edu.ec\/girni\/wp-json\/wp\/v2\/posts\/1632\/revisions"}],"predecessor-version":[{"id":4858,"href":"https:\/\/blog.espol.edu.ec\/girni\/wp-json\/wp\/v2\/posts\/1632\/revisions\/4858"}],"wp:attachment":[{"href":"https:\/\/blog.espol.edu.ec\/girni\/wp-json\/wp\/v2\/media?parent=1632"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.espol.edu.ec\/girni\/wp-json\/wp\/v2\/categories?post=1632"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.espol.edu.ec\/girni\/wp-json\/wp\/v2\/tags?post=1632"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}