{"id":6298,"date":"2022-09-16T16:41:11","date_gmt":"2022-09-16T19:41:11","guid":{"rendered":"https:\/\/www.usinainfo.com.br\/blog\/?p=6298"},"modified":"2022-09-16T16:50:48","modified_gmt":"2022-09-16T19:50:48","slug":"projeto-alarme-com-hc-sr501-e-esp32-monitorado-por-wifi","status":"publish","type":"post","link":"https:\/\/www.usinainfo.com.br\/blog\/projeto-alarme-com-hc-sr501-e-esp32-monitorado-por-wifi\/","title":{"rendered":"Projeto Alarme com Pir HC-SR501 e ESP32 Monitorado por WiFi"},"content":{"rendered":"<p>Neste artigo &#8220;Projeto <strong>Alarme com HC-SR501 e ESP32<\/strong> Monitorado por WiFi&#8221;, faremos a interface do sensor de movimento PIR HC-SR501 com a placa WiFi ESP32 para criar um alarme contra roubo e assim conseguir proteger seu preciso patrim\u00f4nio, seja ele qual for.<\/p>\n<p>O que vai acontecer \u00e9 que o <a href=\"https:\/\/www.usinainfo.com.br\/nodemcu\/esp32s-nodemcu-iot-com-wifi-e-bluetooth-38-pinos-5346.html\" target=\"_blank\" rel=\"noopener\">ESP32<\/a> monitorar\u00e1 o sensor de movimento PIR e enviar\u00e1 uma notifica\u00e7\u00e3o para um telefone quando o sensor for acionado. Voc\u00ea pode colocar este alarme em uma sala e receber uma notifica\u00e7\u00e3o em seu telefone sempre que houver movimento na sala.<\/p>\n<p>&nbsp;<\/p>\n<div id=\"attachment_6299\" style=\"width: 710px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/Alarme-com-HC-SR501-e-ESP32-Monitorado-por-WiFi.jpg\" data-rel=\"lightbox-image-0\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6299\" class=\"size-full wp-image-6299\" src=\"https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/Alarme-com-HC-SR501-e-ESP32-Monitorado-por-WiFi.jpg\" alt=\"Alarme com HC-SR501 e ESP32 Monitorado por WiFi\" width=\"700\" height=\"400\" srcset=\"https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/Alarme-com-HC-SR501-e-ESP32-Monitorado-por-WiFi.jpg 700w, https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/Alarme-com-HC-SR501-e-ESP32-Monitorado-por-WiFi-300x171.jpg 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><p id=\"caption-attachment-6299\" class=\"wp-caption-text\">Alarme com HC-SR501 e ESP32 Monitorado por WiFi<\/p><\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2><strong>Ent\u00e3o, o que \u00e9 esse Sensor PIR HC SR501 ?<\/strong><\/h2>\n<p>O M\u00f3dulo Detector de <a href=\"https:\/\/www.usinainfo.com.br\/sensor-de-movimento\/sensor-pir-de-movimento-hc-sr501-100-2634.html\" target=\"_blank\" rel=\"noopener\">Sensor de Movimento PIR HC SR501<\/a> permite que voc\u00ea detecte movimento. \u00c9 quase sempre usado para detectar o movimento de um corpo humano dentro do alcance do sensor. Muitas vezes \u00e9 referido como sensor \u201cPIR\u201d, \u201cPyroelectric\u201d, \u201cPassive Infrared\u201d e \u201cIR Motion\u201d.<\/p>\n<p>Isso se deve ao fato de ele possuir um sensor piroel\u00e9trico integrado, um circuito de condicionamento e uma lente Fresnel em forma de c\u00fapula. Conta ainda com um potenci\u00f4metro de ajuste de tempo de atraso e um potenci\u00f4metro de ajuste de sensibilidade. Ele \u00e9 compat\u00edvel com <a href=\"https:\/\/www.usinainfo.com.br\/arduino-74\" target=\"_blank\" rel=\"noopener\">ARDUINO<\/a>, RASPBERRY PI, AVR, PIC, 8051, etc.<\/p>\n<div id=\"attachment_6300\" style=\"width: 710px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/Sensor-PIR-HC-SR501.jpg\" data-rel=\"lightbox-image-1\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6300\" class=\"size-full wp-image-6300\" src=\"https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/Sensor-PIR-HC-SR501.jpg\" alt=\"Sensor PIR HC SR501\" width=\"700\" height=\"400\" srcset=\"https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/Sensor-PIR-HC-SR501.jpg 700w, https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/Sensor-PIR-HC-SR501-300x171.jpg 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><p id=\"caption-attachment-6300\" class=\"wp-caption-text\">Sensor PIR HC-SR501<\/p><\/div>\n<p>&nbsp;<\/p>\n<p>Agora vamos verificar algumas caracter\u00edsticas\u00a0 do sensor de movimento PIR HC-SR501:<\/p>\n<ul>\n<li>Sensor infravermelho com placa de circuito de controle;<\/li>\n<li>Sensibilidade e o tempo de reten\u00e7\u00e3o s\u00e3o ajust\u00e1veis;<\/li>\n<li>Tempo de bloqueio de 2,5s (padr\u00e3o);<\/li>\n<li>Configura\u00e7\u00e3o sens\u00edvel: Vire \u00e0 direita, aumenta a dist\u00e2ncia (cerca de 7m); Vire \u00e0 Esquerda, Reduza a Dist\u00e2ncia (Cerca de 3m);<\/li>\n<li>Ajuste do tempo: Vire para a direita, o tempo aumenta (cerca de 200S); Vire \u00e0 Esquerda, Reduza o Tempo (Cerca de 5S).<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><strong>Diagrama de Conex\u00e3o do Projeto Alarme com HC-SR501 e ESP32:<\/strong><\/h2>\n<p>Para a conex\u00e3o do sensor no microcontrolador NodeMCU ESP32 \u00e9 bem simples, para isso utilize jumpers para conex\u00e3o direta.<\/p>\n<div id=\"attachment_6301\" style=\"width: 710px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/Diagrama-Projeto-Alarme-com-HC-SR501-e-ESP3.jpg\" data-rel=\"lightbox-image-2\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6301\" class=\"size-full wp-image-6301\" src=\"https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/Diagrama-Projeto-Alarme-com-HC-SR501-e-ESP3.jpg\" alt=\"Diagrama Projeto Alarme com HC-SR501 e ESP3\" width=\"700\" height=\"400\" srcset=\"https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/Diagrama-Projeto-Alarme-com-HC-SR501-e-ESP3.jpg 700w, https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/Diagrama-Projeto-Alarme-com-HC-SR501-e-ESP3-300x171.jpg 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><p id=\"caption-attachment-6301\" class=\"wp-caption-text\">Diagrama Projeto Alarme com HC-SR501 e ESP3<\/p><\/div>\n<p>&nbsp;<\/p>\n<h2><strong>C\u00f3digo de Programa\u00e7\u00e3o:<\/strong><\/h2>\n<p>Voc\u00ea vai precisar ter o programa <a href=\"https:\/\/www.arduino.cc\/en\/software\" target=\"_blank\" rel=\"noopener\">IDE Arduino<\/a> em seu computador, caso n\u00e3o tenha, acesse o site, selecione seu sistema operacional, baixe o programa e instale.<\/p>\n<pre class=\"lang:default decode:true \">#include &lt;WiFi.h&gt;\r\n#define BLYNK_PRINT Serial       \r\n#include &lt;BlynkSimpleEsp32.h&gt;\r\nchar auth[] = \"\";  \/*Enter authenticated key from the mail *\/\r\n\r\n\/* WiFi credentials *\/\r\nchar ssid[] = \"\";\r\nchar pass[] = \"\";\r\n\r\n\/* HC-SR501 Motion Detector *\/\r\n#define pirPin 32               \/\/ Input for HC-S501\r\nint pirValue = 0;\r\n\r\nbool movementDetected = false;\r\n\r\nvoid setup()\r\n{\r\n   Serial.begin(115200);\r\n   delay(10);\r\n   Serial.println(\"Start program\");\r\n   WiFi.begin(ssid, pass);\r\n   int wifi_ctr = 0;\r\n   while (WiFi.status() != WL_CONNECTED)\r\n {\r\n    delay(500);\r\n    Serial.print(\".\");\r\n }\r\n  \r\n   Serial.println(\"WiFi connected\");  \r\n   Blynk.begin(auth, ssid, pass);\r\n   pinMode(pirPin, INPUT);\r\n}\r\n\r\nvoid loop()\r\n{\r\n   Blynk.run();\r\n   Serial.println(\"Motion detected\");\r\n   Blynk.notify(\"Motion detected\");\r\n\r\n   delay(1000);\r\n   Blynk.run();\r\n  \r\n   while(digitalRead(pirPin) == HIGH)\r\n   Serial.println(\"Waiting for Pin to Go Low\");\r\n\r\n   Serial.println(\"Going to sleep\");\r\n   esp_sleep_enable_ext0_wakeup(GPIO_NUM_32,1);\r\n   esp_deep_sleep_start();\r\n}<\/pre>\n<p>&nbsp;<\/p>\n<h2>Configurando o BLYNK<\/h2>\n<p><span class=\"has-inline-color has-black-color\"><br \/>\n1. Crie um novo projeto e d\u00ea a ele o nome\u00a0<\/span><span class=\"has-inline-color has-vivid-red-color\">Motion Detector\u00a0<\/span><span class=\"has-inline-color has-black-color\">e selecione o dispositivo \u201c\u00a0<\/span><span class=\"has-inline-color has-vivid-cyan-blue-color\">NodeMCU\u00a0<\/span><span class=\"has-inline-color has-black-color\">\u201d.<\/span><\/p>\n<p><a href=\"https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/blynk1.jpg\" data-rel=\"lightbox-image-3\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6302 aligncenter\" src=\"https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/blynk1.jpg\" alt=\"\" width=\"292\" height=\"512\" srcset=\"https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/blynk1.jpg 292w, https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/blynk1-171x300.jpg 171w\" sizes=\"auto, (max-width: 292px) 100vw, 292px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><span class=\"has-inline-color has-black-color\">2. Adicione o widget \u201c\u00a0<\/span><span class=\"has-inline-color has-luminous-vivid-orange-color\">Notifica\u00e7\u00e3o\u00a0<\/span><span class=\"has-inline-color has-black-color\">\u201d para receber notifica\u00e7\u00e3o de detec\u00e7\u00e3o de movimento.<\/span><\/p>\n<p><a href=\"https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/blynk2.jpg\" data-rel=\"lightbox-image-4\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6303 aligncenter\" src=\"https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/blynk2.jpg\" alt=\"\" width=\"295\" height=\"512\" srcset=\"https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/blynk2.jpg 295w, https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/blynk2-173x300.jpg 173w\" sizes=\"auto, (max-width: 295px) 100vw, 295px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>3. Como o Detector de Movimento envia dados continuamente, o usu\u00e1rio receber\u00e1 notifica\u00e7\u00f5es do Blynk v\u00e1rias vezes.\u00a0Assim, para evitar receber notifica\u00e7\u00f5es repetidamente, o usu\u00e1rio pode adicionar um bot\u00e3o de alerta.\u00a0Quando colocamos este bot\u00e3o em ALTO, uma mensagem \u00e9 exibida pelo Blynk.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/Blynk3.jpg\" data-rel=\"lightbox-image-5\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6304 aligncenter\" src=\"https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/Blynk3.jpg\" alt=\"\" width=\"295\" height=\"512\" srcset=\"https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/Blynk3.jpg 295w, https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/Blynk3-173x300.jpg 173w\" sizes=\"auto, (max-width: 295px) 100vw, 295px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>4. Agora, ap\u00f3s carregar o c\u00f3digo do Arduino IDE, pressione o bot\u00e3o play no aplicativo Blynk para obter o resultado.<\/p>\n<p><a href=\"https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/Blynk4.jpg\" data-rel=\"lightbox-image-6\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6305 aligncenter\" src=\"https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/Blynk4.jpg\" alt=\"\" width=\"295\" height=\"512\" srcset=\"https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/Blynk4.jpg 295w, https:\/\/www.usinainfo.com.br\/blog\/wp-content\/uploads\/2022\/09\/Blynk4-173x300.jpg 173w\" sizes=\"auto, (max-width: 295px) 100vw, 295px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>Dessa forma, quando o usu\u00e1rio pressiona o bot\u00e3o no aplicativo Blynk, o smartphone conectado come\u00e7a a receber notifica\u00e7\u00f5es do sensor de movimento. Quando o usu\u00e1rio quiser controlar essas notifica\u00e7\u00f5es, pressione o bot\u00e3o de alerta novamente no aplicativo Blynk.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: right;\">Post Traduzido do Artigo &#8220;<a href=\"https:\/\/tutorials.probots.co.in\/smart-wifi-burglar-alarm-using-hc-sr501-and-esp-32\/\" target=\"_blank\" rel=\"noopener\">Smart WiFi Burglar Alarm Using HC-SR501 and ESP 32<\/a>&#8220;.<br \/>\nEscrito por Abhishek S.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Neste artigo &#8220;Projeto Alarme com HC-SR501 e ESP32 Monitorado por WiFi&#8221;, faremos a interface do sensor de movimento PIR HC-SR501 com a placa WiFi ESP32 para criar um alarme contra roubo e assim conseguir proteger seu preciso patrim\u00f4nio, seja ele qual for. O que vai acontecer \u00e9 que o ESP32 monitorar\u00e1 o sensor de movimento PIR e enviar\u00e1 uma notifica\u00e7\u00e3o para um telefone quando o sensor for acionado. Voc\u00ea pode colocar este alarme em uma sala e receber uma notifica\u00e7\u00e3o em seu telefone sempre que houver movimento na sala. &nbsp; &nbsp; &nbsp; Ent\u00e3o, o que \u00e9 esse Sensor PIR HC SR501 ? O M\u00f3dulo Detector de Sensor de Movimento PIR HC SR501 permite que voc\u00ea detecte movimento. \u00c9 quase sempre [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":6307,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18,1],"tags":[332,215,258,333,152,107,331,334],"class_list":["post-6298","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-esp32","category-projetos","tag-alarme-esp32","tag-esp32","tag-nodemcu-esp32","tag-projeto-alarme-com-pir","tag-projeto-esp32","tag-sensor-de-movimento","tag-sensor-pir","tag-sensor-pir-hc-sr501"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Projeto Alarme com HC-SR501 e ESP32 WiFi - Blog UsinaInfo<\/title>\n<meta name=\"description\" content=\"Projeto Projeto Alarme cm HC-SR501 e ESP32 WiFi tem no Blog UsinaInfo. 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