{"id":33580,"date":"2020-06-11T19:32:55","date_gmt":"2020-06-11T11:32:55","guid":{"rendered":"\/blog\/?p=33580"},"modified":"2020-06-12T18:17:10","modified_gmt":"2020-06-12T10:17:10","slug":"whats-the-difference-between-mlx90640-and-mlx90641-thermal-camera","status":"publish","type":"post","link":"https:\/\/www.seeedstudio.com\/blog\/2020\/06\/11\/whats-the-difference-between-mlx90640-and-mlx90641-thermal-camera\/","title":{"rendered":"What&#8217;s the difference between MLX90640 and MLX90641 thermal camera?"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">What&#8217;s a thermal camera?<\/h2>\n\n\n\n<p>A thermal camera is also called an infrared camera or a thermal imaging camera, which detects the temperature of the human body in real-time and outputs an infrared image. For more detail about the thermal camera, please check our earlier blog: <strong><a href=\"https:\/\/blog.seeedstudio.com\/blog\/2020\/06\/09\/what-is-thermal-imaging-learn-all-about-it-m\/\">Thermal Imaging And Its Applications<\/a><\/strong><\/p>\n\n\n\n<p>Due to the impact of COVID-19, the demand for thermal cameras has increased dramatically around the world. The most sought-after thermal camera sensors are the MLX90641 and MLX90640.<\/p>\n\n\n\n<p>The bad news is that the MLX90640 is almost out of stock worldwide. The good news is that we still can get the <a href=\"https:\/\/www.seeedstudio.com\/Grove-Thermal-Imaging-Camera-IR-Array-MLX90641-110-degree-p-4612.html\">MLX90641 thermal camera from Seeed<\/a>. So what&#8217;s the difference between MLX90640 and MLX90641 thermal camera? Can the MLX90641 replace the MLX90640 completely?<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">The difference between MLX90640 and MLX90641<\/h2>\n\n\n\n<p>Before answering this question, first, we need to know that there are two models of MLX90640 and MLX90641. The wide view angle version with FOV(field of view) 110\u00b0x75\u00b0; the narrow view angle version with FOV 55\u00b0x35\u00b0\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"577\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2020\/06\/All.png\" alt=\"\" class=\"wp-image-33593\" srcset=\"https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/06\/All.png 1024w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/06\/All-300x169.png 300w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/06\/All-768x433.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Actually, MLX90641 and MLX90640 have almost the same functions, parameters, and usage. They share the same MLX9064x software library:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li> <a href=\"https:\/\/github.com\/Seeed-Studio\/Seeed_Arduino_MLX9064x\">MLX9064x Arduino Library <\/a><\/li><li> <a href=\"https:\/\/github.com\/Seeed-Studio\/Seeed_Python_MLX9064x\">MLX9064x Raspberry Pi Library<\/a> <\/li><\/ul>\n\n\n\n<p>There are two major differences: the number of pixel dots, and the difference in operating temperature.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"\"><tbody><tr><td>Item<\/td><td>MLX90641<\/td><td>MLX90640<\/td><\/tr><tr><td>Pixels<\/td><td>16&#215;12=192 pixels<\/td><td><strong>32&#215;24=768 pixels<\/strong><\/td><\/tr><tr><td>Operating Temperature<\/td><td><strong>-40\u00b0C ~ +125\u00b0C<\/strong><\/td><td> -40\u00b0C ~ +85\u00b0C <\/td><\/tr><tr><td>Measurement Range<\/td><td>-40\u00b0C~+300\u00b0C<\/td><td> -40\u00b0C~+300\u00b0C <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>As you can see, MLX90640 has more pixels which means the image quality will be better, while MLX90641 can work in a wider temperature range. In fact, the MLX90641 meets the industry temperature while MLX90640 does not. <\/p>\n\n\n\n<p>In fact, the key difference is that MLX90640 is out of stock and hard to come by; whereas you can now easily buy <a href=\"https:\/\/www.seeedstudio.com\/Grove-Thermal-Imaging-Camera-IR-Array-MLX90641-110-degree-p-4612.html\">Grove &#8211; Thermal Imaging Camera &#8211; MLX90641<\/a> at Seeed!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>In most scenarios, the MLX90641 is a direct replacement for the MLX90640, such as with a temperature gun. However, it is not recommended for scenes with high display quality requirements. <\/p>\n\n\n\n<p>To tell you a secret, If you don&#8217;t need a high-resolution IR image, then you can use the <a href=\"https:\/\/www.seeedstudio.com\/Grove-Infrared-Temperature-Sensor-Array-AMG8833.html\">AMG8833<\/a> with 8*8 pixels, which can also be used for body temperature detection and is much cheaper.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/github.com\/SeeedDocument\/Grove-Infrared_Temperature_Sensor_Array-AMG8833\/raw\/master\/img\/demo.gif\" alt=\"\" \/><figcaption>AMG8833<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>What&#8217;s a thermal camera? A thermal camera is also called an infrared camera or a<\/p>\n","protected":false},"author":2732,"featured_media":33593,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"iawp_total_views":0,"footnotes":""},"categories":[1],"tags":[3062,6,3021,3292,2117,3282,142,75,247,2119],"class_list":["post-33580","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-amg8833","tag-arduino","tag-covid-19","tag-infrared-camera","tag-mlx90640","tag-mlx90641","tag-open-hardware","tag-open-source-hardware","tag-raspberry-pi","tag-thermal-imaging-camera"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What&#039;s the difference between MLX90640 and MLX90641 thermal camera? - Latest News from Seeed Studio<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.seeedstudio.com\/blog\/2020\/06\/11\/whats-the-difference-between-mlx90640-and-mlx90641-thermal-camera\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What&#039;s the difference between MLX90640 and MLX90641 thermal camera? - Latest News from Seeed Studio\" \/>\n<meta property=\"og:description\" content=\"What&#8217;s a thermal camera? 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