{"id":42258,"date":"2026-04-11T06:35:25","date_gmt":"2026-04-11T06:35:25","guid":{"rendered":"https:\/\/roboticaplus.com\/?post_type=product&#038;p=42258"},"modified":"2026-04-11T06:35:25","modified_gmt":"2026-04-11T06:35:25","slug":"quality-3-ch-relay-expansion-board-designed-for-jetson-nano-optocoupler-isolation","status":"publish","type":"product","link":"https:\/\/roboticaplus.com\/he\/product\/quality-3-ch-relay-expansion-board-designed-for-jetson-nano-optocoupler-isolation\/","title":{"rendered":"Quality 3-Ch Relay Expansion Board Designed For Jetson Nano, Optocoupler Isolation"},"content":{"rendered":"<p><img decoding=\"async\" class=\"alignnone  wp-image-42142\" src=\"https:\/\/roboticaplus.com\/wp-content\/uploads\/2026\/04\/unnamed.webp\" alt=\"\" width=\"137\" height=\"137\" \/><\/p>\n<h3>Quality 3-Ch Relay Expansion Board Designed For Jetson Nano, Optocoupler Isolation<\/h3>\n<p>Module for Nvidia Jetson Nano equipped with 3 relays with optocoupler isolation. It has a 40-pin GPIO connector that can be connected directly to Jetson Nano. The maximum load of the relay is \u2264 5 A 250 V AC or \u2264 5 A 30 V DC. Module with external dimensions of 100 x 79 mm.<\/p>\n<div>\n<p><strong>Weight:\u00a0<\/strong>0.087 kg<\/p>\n<div class=\"std\">\n<ol>\n<li>3-CH Relay for Jetson Nano x1<\/li>\n<li>Acrylic panel x1<\/li>\n<li>Screws pack x1<\/li>\n<\/ol>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/3-CH-Relay-for-Jetson-Nano\/3-CH-Relay-for-Jetson-Nano-details-pack.jpg\" \/><\/p>\n<\/div>\n<\/div>\n<div><\/div>\n<div><\/div>\n<div id=\"waveshare_product_content\">\n<div class=\"std\">\n<div class=\"richWrap\">\n<div class=\"pdT\"><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/3-CH-Relay-for-Jetson-Nano\/3-CH-Relay-for-Jetson-Nano-details-1.jpg\" \/><\/div>\n<div>\n<div class=\"richTitle\">Features At A Glance<\/div>\n<ul class=\"alignl\">\n<li>Standard 40PIN GPIO header, directly pluggable onto the Jetson Nano<\/li>\n<li>Incorporate quality relay component, max load: \u22645A 250V AC or \u22645A 30V DC<\/li>\n<li>Optocoupler isolation, prevent interference from the high voltage circuitry<\/li>\n<li>Indicators for monitoring the relay operating status<\/li>\n<li>Control pins of relays are configurable via jumpers<\/li>\n<li>Acrylic bottom panel, isolating the Jetson Nano from the relay expansion board<\/li>\n<li>Comes with development resources and user manual (python and python-bottle examples)<\/li>\n<\/ul>\n<\/div>\n<div>\n<div class=\"richTitle\">What Can It Do?<\/div>\n<p class=\"richDesc\">It Will Give Your Jetson Nano The Ability To Control High Voltage Home Appliances, And More\u2026<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/3-CH-Relay-for-Jetson-Nano\/3-CH-Relay-for-Jetson-Nano-details-3.gif\" \/><\/p>\n<\/div>\n<div>\n<div class=\"richTitle\">Tailored For Jetson Nano<\/div>\n<p class=\"richDesc\">Jetson Nano Developer Kit B01 (Left) And Jetson Nano 2GB Developer Kit (Right)<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/3-CH-Relay-for-Jetson-Nano\/3-CH-Relay-for-Jetson-Nano-details-5.jpg\" \/><\/p>\n<\/div>\n<div class=\"pdT\">\n<div class=\"richTitle\">3-Ch Relay Control<\/div>\n<p class=\"richDesc\">Quality Relay Component With Optocoupler Isolation<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/3-CH-Relay-for-Jetson-Nano\/3-CH-Relay-for-Jetson-Nano-details-7.jpg\" \/><\/p>\n<p class=\"richDesc\">Isolation Bottom Panel, Prevent Interference From The High Voltage Circuitry<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/3-CH-Relay-for-Jetson-Nano\/3-CH-Relay-for-Jetson-Nano-details-8.jpg\" \/><\/p>\n<\/div>\n<div>\n<div class=\"richTitle\">Indicators And Selection Jumpers<\/div>\n<p class=\"richDesc\">Easy To Monitor The Relay Operating Status, Control Pins Of Relays Are Configurable<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/3-CH-Relay-for-Jetson-Nano\/3-CH-Relay-for-Jetson-Nano-details-9.jpg\" \/><\/p>\n<\/div>\n<div>\n<div class=\"richTitle\">What\u2019s On Board<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/3-CH-Relay-for-Jetson-Nano\/3-CH-Relay-for-Jetson-Nano-details-intro.jpg\" \/><\/p>\n<div class=\"richGridWrap richGridWrap-valignTop richGridWrap-2c alignl subBlock bgGrey\">\n<div>\n<ol>\n<li>40PIN GPIO header<\/li>\n<li>Relay screw terminals<\/li>\n<li>Relay components<\/li>\n<li>Optocouplers<\/li>\n<\/ol>\n<\/div>\n<div>\n<ol start=\"5\">\n<li>Relay operating indicators<\/li>\n<li>Power indicator<\/li>\n<li>Relay control pin selection jumpers<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n<div>\n<div class=\"richTitle\">Pinout Definition<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/3-CH-Relay-for-Jetson-Nano\/3-CH-Relay-for-Jetson-Nano-details-inter.jpg\" \/><\/p>\n<\/div>\n<div>\n<div class=\"richTitle\">Outline Dimensions<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/3-CH-Relay-for-Jetson-Nano\/3-CH-Relay-for-Jetson-Nano-details-size.jpg\" \/><\/p>\n<\/div>\n<div>\n<div class=\"richTitle\">Resources &amp; Services<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/LCD\/common\/res_banner.png\" \/><\/p>\n<div class=\"bgGrey\"><strong>Wiki:\u00a0<\/strong><a href=\"http:\/\/www.waveshare.com\/wiki\/3-CH_Relay_for_Jetson_Nano\" target=\"_blank\" rel=\"noopener\">3-CH_Relay_for_Jetson_Nano<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p><img decoding=\"async\" class=\"alignnone size-full wp-image-42145\" src=\"https:\/\/roboticaplus.com\/wp-content\/uploads\/2026\/04\/unnamed-2.webp\" alt=\"\" width=\"94\" height=\"94\" \/><\/p>\n","protected":false},"featured_media":42259,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[442],"product_tag":[],"class_list":{"0":"post-42258","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-arduino1","9":"first","10":"instock","11":"sale","12":"taxable","13":"shipping-taxable","14":"purchasable","15":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Quality 3-Ch Relay Expansion Board Designed For Jetson Nano, Optocoupler Isolation - roboticaplus<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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