{"id":8412,"date":"2024-03-14T08:05:27","date_gmt":"2024-03-14T08:05:27","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-can-you-read-serial-port-data-in-golang\/"},"modified":"2025-08-03T04:32:02","modified_gmt":"2025-08-03T04:32:02","slug":"how-can-you-read-serial-port-data-in-golang","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-can-you-read-serial-port-data-in-golang\/","title":{"rendered":"Reading Serial Port Data in Golang: A Complete Guide"},"content":{"rendered":"<p>In Go language, you can use the third-party library github.com\/tarm\/serial to read serial port data. First, you need to install this library.<\/p>\n<pre class=\"post-pre\"><code>go get github.com\/tarm\/serial\r\n<\/code><\/pre>\n<p>You can then use the following code to read serial data:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">package<\/span> main\r\n\r\n<span class=\"hljs-keyword\">import<\/span> (\r\n\t<span class=\"hljs-string\">\"fmt\"<\/span>\r\n\t<span class=\"hljs-string\">\"log\"<\/span>\r\n\t<span class=\"hljs-string\">\"github.com\/tarm\/serial\"<\/span>\r\n)\r\n\r\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">func<\/span> <span class=\"hljs-title\">main<\/span><span class=\"hljs-params\">()<\/span><\/span> {\r\n\tc := &amp;serial.Config{Name: <span class=\"hljs-string\">\"\/dev\/ttyUSB0\"<\/span>, Baud: <span class=\"hljs-number\">9600<\/span>}\r\n\ts, err := serial.OpenPort(c)\r\n\t<span class=\"hljs-keyword\">if<\/span> err != <span class=\"hljs-literal\">nil<\/span> {\r\n\t\tlog.Fatal(err)\r\n\t}\r\n\t<span class=\"hljs-keyword\">defer<\/span> s.Close()\r\n\r\n\tbuf := <span class=\"hljs-built_in\">make<\/span>([]<span class=\"hljs-type\">byte<\/span>, <span class=\"hljs-number\">128<\/span>)\r\n\t<span class=\"hljs-keyword\">for<\/span> {\r\n\t\tn, err := s.Read(buf)\r\n\t\t<span class=\"hljs-keyword\">if<\/span> err != <span class=\"hljs-literal\">nil<\/span> {\r\n\t\t\tlog.Fatal(err)\r\n\t\t}\r\n\t\tfmt.Printf(<span class=\"hljs-string\">\"Received %v bytes: %v\\n\"<\/span>, n, buf[:n])\r\n\t}\r\n}\r\n<\/code><\/pre>\n<p>The code will continuously read serial port data and print the received byte data. You can modify the serial port name and baud rate based on specific serial port configuration.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Go language, you can use the third-party library github.com\/tarm\/serial to read serial port data. First, you need to install this library. go get github.com\/tarm\/serial You can then use the following code to read serial data: package main import ( &#8220;fmt&#8221; &#8220;log&#8221; &#8220;github.com\/tarm\/serial&#8221; ) func main() { c := &amp;serial.Config{Name: &#8220;\/dev\/ttyUSB0&#8221;, Baud: 9600} s, err [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[10592,4095,9772,10394,11314],"class_list":["post-8412","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-data-reading","tag-go-programming","tag-golang","tag-serial-port","tag-tarm-serial"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Reading Serial Port Data in Golang: A Complete Guide - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to read serial port data in Golang using the tarm\/serial library. Complete guide with code examples and step-by-step instructions.\" \/>\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.silicloud.com\/blog\/how-can-you-read-serial-port-data-in-golang\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Reading Serial Port Data in Golang: A Complete Guide\" \/>\n<meta property=\"og:description\" content=\"Learn how to read serial port data in Golang using the tarm\/serial library. Complete guide with code examples and step-by-step instructions.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-can-you-read-serial-port-data-in-golang\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-14T08:05:27+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-03T04:32:02+00:00\" \/>\n<meta name=\"author\" content=\"Jackson Davis\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jackson Davis\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-you-read-serial-port-data-in-golang\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-you-read-serial-port-data-in-golang\/\"},\"author\":{\"name\":\"Jackson Davis\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/55a10b8b0457c35884c25677889ad350\"},\"headline\":\"Reading Serial Port Data in Golang: A Complete Guide\",\"datePublished\":\"2024-03-14T08:05:27+00:00\",\"dateModified\":\"2025-08-03T04:32:02+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-you-read-serial-port-data-in-golang\/\"},\"wordCount\":75,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"keywords\":[\"data reading\",\"Go programming\",\"Golang\",\"Serial Port\",\"tarm\/serial\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-you-read-serial-port-data-in-golang\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/how-can-you-read-serial-port-data-in-golang\/\",\"name\":\"Reading Serial Port Data in Golang: A Complete Guide - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\"},\"datePublished\":\"2024-03-14T08:05:27+00:00\",\"dateModified\":\"2025-08-03T04:32:02+00:00\",\"description\":\"Learn how to read serial port data in Golang using the tarm\/serial library. 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