{"id":4502,"date":"2026-05-27T09:00:00","date_gmt":"2026-05-27T09:00:00","guid":{"rendered":"https:\/\/pirhome.com\/?p=4502"},"modified":"2026-05-27T09:00:00","modified_gmt":"2026-05-27T09:00:00","slug":"pir-not-detecting-heavy-clothing","status":"publish","type":"post","link":"https:\/\/www.pirhome.com\/?p=4502","title":{"rendered":"PIR Sensor Not Detecting People Wearing Heavy Clothing"},"content":{"rendered":"<h2>Introduction<\/h2>\n<p>In cold climates, people wear heavy clothing that insulates body heat. This can reduce the infrared signal reaching the PIR sensor, making detection difficult.<\/p>\n<h2>Why Heavy Clothing Affects Detection<\/h2>\n<p>PIR sensors detect the infrared radiation emitted by a person&#8217;s skin and clothing. Heavy, insulated clothing:<\/p>\n<ul>\n<li>Blocks body heat from reaching the surface.<\/li>\n<li>The outer surface of the clothing may be near ambient temperature.<\/li>\n<li>Reduces the temperature difference between person and background.<\/li>\n<\/ul>\n<h2>Symptoms<\/h2>\n<ul>\n<li>Sensor detects people in summer but not in winter.<\/li>\n<li>People wearing heavy coats are not detected until very close.<\/li>\n<li>Detection range decreases in cold weather.<\/li>\n<\/ul>\n<h2>Solutions<\/h2>\n<ul>\n<li>Increase sensitivity (turn potentiometer to maximum).<\/li>\n<li>Use a more sensitive sensor (Panasonic EKMB series).<\/li>\n<li>Use a sensor with better low-temperature performance.<\/li>\n<li>Use a different technology (microwave or mmWave radar).<\/li>\n<\/ul>\n<h2>Conclusion<\/h2>\n<p>Heavy clothing reduces PIR effectiveness. In cold climates, consider alternative technologies or combine with other sensor types.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introduction In cold climates, people wear heavy clothing that insulates body heat. This can reduce the infrared signal reaching the PIR sensor, making detection difficult. Why Heavy Clothing Affects Detection PIR sensors detect the infrared radiation emitted by a person&#8217;s skin and clothing. Heavy, insulated clothing: Blocks body heat from reaching the surface. The outer [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-4502","post","type-post","status-publish","format-standard","hentry","category-troubleshooting"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\r\n<title>PIR Sensor Not Detecting People Wearing Heavy Clothing - PIRHOME<\/title>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"https:\/\/www.pirhome.com\/?p=4502\" \/>\r\n<meta property=\"og:locale\" content=\"en_US\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"PIR Sensor Not Detecting People Wearing Heavy Clothing - PIRHOME\" \/>\r\n<meta property=\"og:description\" content=\"Introduction In cold climates, people wear heavy clothing that insulates body heat. 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