{"id":21082,"date":"2019-03-21T18:59:19","date_gmt":"2019-03-21T10:59:19","guid":{"rendered":"\/blog\/?p=21082"},"modified":"2019-03-28T10:19:15","modified_gmt":"2019-03-28T02:19:15","slug":"grove-rs485-and-the-grove-optocoupler-relay-m281-on-newproductstuesday-seeed","status":"publish","type":"post","link":"https:\/\/www.seeedstudio.com\/blog\/2019\/03\/21\/grove-rs485-and-the-grove-optocoupler-relay-m281-on-newproductstuesday-seeed\/","title":{"rendered":"All-new Grove &#8211; RS485 and the Grove &#8211; Optocoupler Relay (M281) on #newproductsTuesday @Seeed"},"content":{"rendered":"\n<p>Hey Seeekers!!!<\/p>\n\n\n\n<p>It&#8217;s newproductsTuesday. Today we are happy to release the <a href=\"https:\/\/www.seeedstudio.com\/Grove-RS485-p-2924.html\">Grove &#8211; RS485<\/a> and the Grove &#8211; Optocoupler Relay (M281). <\/p>\n\n\n\n<p style=\"text-align:center\"><strong><a href=\"https:\/\/www.seeedstudio.com\/Grove-RS485-p-2924.html\">Grove &#8211; RS485<\/a><\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><a href=\"https:\/\/www.seeedstudio.com\/Grove-RS485-p-2924.html\"><img decoding=\"async\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2019\/03\/front-new.png\" alt=\"\" class=\"wp-image-21105\" width=\"271\" height=\"157\" srcset=\"https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/03\/front-new.png 1004w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/03\/front-new-300x174.png 300w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/03\/front-new-768x445.png 768w\" sizes=\"(max-width: 271px) 100vw, 271px\" \/><\/a><\/figure><\/div>\n\n\n\n<p>The <a href=\"https:\/\/www.seeedstudio.com\/Grove-RS485-p-2924.html\">Grove&nbsp; &#8211; RS485<\/a> module allows you to easily connect your Arduino with RS-485 devices!!!! It is plug and play ready, so you don\u2019t need to worry about clumsy jumper wires. This module is based on the MAX13487E IC by Maxim Integrated and it is a very cost effective solution in serial communication where it can convert a UART serial stream to RS &#8211; 485. <\/p>\n\n\n\n<p>Here is a pinout Diagram of this module.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><a href=\"https:\/\/www.seeedstudio.com\/Grove-RS485-p-2924.html\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2019\/03\/pinout-1.jpg\" alt=\"\" class=\"wp-image-21084\" width=\"519\" height=\"293\" srcset=\"https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/03\/pinout-1.jpg 860w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/03\/pinout-1-300x170.jpg 300w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/03\/pinout-1-768x434.jpg 768w\" sizes=\"(max-width: 519px) 100vw, 519px\" \/><\/a><\/figure><\/div>\n\n\n\n<p>Here is a functional Diagram of the MAX13487E.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2019\/03\/15530677171.png\" alt=\"\" class=\"wp-image-21085\" width=\"437\" height=\"495\" srcset=\"https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/03\/15530677171.png 682w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/03\/15530677171-265x300.png 265w\" sizes=\"(max-width: 437px) 100vw, 437px\" \/><\/figure><\/div>\n\n\n\n<p>MAX13487E is a half-duplex transceiver and therefore it is only able to communicate one way at a time. Also, it features one driver and one transceiver. Furthermore, it can be used to transfer data at 10Mbps and distances up to 1200m at a lower speed.<\/p>\n\n\n\n<p>This module is very suitable for the following applications:-<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Automated HVAC Systems<\/li><li>Industrial Controls<\/li><li>Industrial Motor Drives<\/li><li>Isolated RS-485 Interfaces<\/li><li>Utility Meters<\/li><\/ul>\n\n\n\n<p style=\"text-align:center\"><strong><a href=\"https:\/\/www.seeedstudio.com\/Grove-Optocoupler-Relay-M281-p-2923.html\">Grove &#8211; Optocoupler Relay (M281)<\/a><\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><a href=\"https:\/\/www.seeedstudio.com\/Grove-Optocoupler-Relay-M281-p-2923.html\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2019\/03\/front-new-1-1030x597.png\" alt=\"\" class=\"wp-image-21107\" width=\"255\" height=\"148\" srcset=\"https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/03\/front-new-1-1030x597.png 1030w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/03\/front-new-1-300x174.png 300w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/03\/front-new-1-768x445.png 768w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/03\/front-new-1.png 1061w\" sizes=\"(max-width: 255px) 100vw, 255px\" \/><\/a><\/figure><\/div>\n\n\n\n<p>The Grove &#8211;\nOptocoupler Relay (M281) module features the M281 relay which is a\nbi-directional, single-pole, single-throw normally open solid-state relay. This\noffers very low on-resistance which allows for a high load current rating. <\/p>\n\n\n\n<p>Unlike the other TRIAC SSR on our website, this relay is based on MOSFET, so it can carry both AC load and DC load. If you need to use an SSR with the DC load, this is exactly what you need!<\/p>\n\n\n\n<p>Also this a very cost effective Relay module compared to other Relay modules in the market. Usually, the price of a single-channel SSR will exceed $10 whereas the price of this module is less than half!!!<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2019\/03\/new-2.png\" alt=\"\" class=\"wp-image-21113\" width=\"562\" height=\"521\" srcset=\"https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/03\/new-2.png 756w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/03\/new-2-300x279.png 300w\" sizes=\"(max-width: 562px) 100vw, 562px\" \/><\/figure><\/div>\n\n\n\n<p>Here is a pinout diagram of this module.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><a href=\"https:\/\/www.seeedstudio.com\/Grove-Optocoupler-Relay-M281-p-2923.html\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2019\/03\/pinout-2.jpg\" alt=\"\" class=\"wp-image-21092\" width=\"550\" height=\"290\" srcset=\"https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/03\/pinout-2.jpg 1000w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/03\/pinout-2-300x159.jpg 300w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/03\/pinout-2-768x406.jpg 768w\" sizes=\"(max-width: 550px) 100vw, 550px\" \/><\/a><\/figure><\/div>\n\n\n\n<p>&nbsp;Also, here is a schematic diagram of the Relay<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2019\/03\/15530723491.png\" alt=\"\" class=\"wp-image-21093\" width=\"357\" height=\"162\" srcset=\"https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/03\/15530723491.png 549w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2019\/03\/15530723491-300x137.png 300w\" sizes=\"(max-width: 357px) 100vw, 357px\" \/><\/figure><\/div>\n\n\n\n<p>This Relay module\nhas the following features:-<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Low on-resistance(0.5\u03a9 MAX.)<\/li><li>1A continuous load current<\/li><li>60V load voltage rating<\/li><li>Low input control current(3mA\n     TYP.)<\/li><li>High input-to-output\n     isolation(1.5kV MIN.)<\/li><\/ul>\n\n\n\n<p>Also it is very\nsuitable for the following applications:-<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Automated Test Equipment<\/li><li>Meter reading systems<\/li><li>Medical equipment<\/li><li>Battery monitoring<\/li><li>Multiplexers<\/li><\/ul>\n\n\n\n<p>So that is it guys for this week&#8217;s product release. Hope you guys like our products. Stay tuned for more products which are coming up in the future!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hey Seeekers!!! It&#8217;s newproductsTuesday. Today we are happy to release the Grove &#8211; RS485 and<\/p>\n","protected":false},"author":141,"featured_media":21109,"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":[6,139,725,1319,12],"class_list":["post-21082","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-arduino","tag-grove","tag-relay","tag-rs485","tag-seeeduino"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>All-new Grove - RS485 and the Grove - Optocoupler Relay (M281) on #newproductsTuesday @Seeed - 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\/2019\/03\/21\/grove-rs485-and-the-grove-optocoupler-relay-m281-on-newproductstuesday-seeed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"All-new Grove - RS485 and the Grove - Optocoupler Relay (M281) on #newproductsTuesday @Seeed - Latest News from Seeed Studio\" \/>\n<meta property=\"og:description\" content=\"Hey Seeekers!!! It&#8217;s newproductsTuesday. 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