--- title: Robot Dog In Browser | daily.dev description: Petoi's OpenCat quadruped robot dog now has a free browser-based simulator with a web IDE, letting you write and compile C++ code that runs on a virtual robot.... canonical: https://daily.dev/posts/robot-dog-in-browser-vnz8ru4hn twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Robot Dog In Browser | daily.dev og:description: Petoi's OpenCat quadruped robot dog now has a free browser-based simulator with a web IDE, letting you write and compile C++ code that runs on a virtual robot.... og:url: https://daily.dev/posts/robot-dog-in-browser-vnz8ru4hn og:image: https://api.daily.dev/og/posts/vNZ8rU4hN.png og:image:alt: Robot Dog In Browser og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Robot Dog In Browser **[Hackaday](https://daily.dev/sources/hackaday)** · 3 min read · 0 upvotes · 0 comments ## Summary Petoi's OpenCat quadruped robot dog now has a free browser-based simulator with a web IDE, letting you write and compile C++ code that runs on a virtual robot. The simulator supports serial commands (e.g., 'ksit' to sit) and programmatic control via the OpenCat API. The underlying robot is open source and can be built yourself or purchased as a kit. A code example is provided showing how to cycle through skills like sit, stand, and flips in a loop. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [A mini robot dog for physical AI experimentation \(Crowdfunding\)](https://daily.dev/posts/a-mini-robot-dog-for-physical-ai-experimentation-crowdfunding--wlpunhvr2) · CNX Software · 2 upvotes · 0 comments --- Tags: [#webdev](https://daily.dev/tags/webdev), [#robotics](https://daily.dev/tags/robotics), [#embedded](https://daily.dev/tags/embedded) [View this post on daily.dev](https://daily.dev/posts/robot-dog-in-browser-vnz8ru4hn) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Robot Dog In Browser","url":"https://daily.dev/posts/robot-dog-in-browser-vnz8ru4hn","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/robot-dog-in-browser-vnz8ru4hn"},"datePublished":"2026-07-10T18:58:17.364Z","dateModified":"2026-07-10T18:58:38.286Z","description":"Petoi's OpenCat quadruped robot dog now has a free browser-based simulator with a web IDE, letting you write and compile C++ code that runs on a virtual robot....","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/73dbbc58e98168c2572e52405601f1d5?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/73dbbc58e98168c2572e52405601f1d5?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Hackaday","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Hackaday","logo":"https://media.daily.dev/image/upload/s--JhDfhy70--/f_auto,q_auto/v1767541814/logos/hackaday","url":"https://daily.dev/sources/hackaday"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/robot-dog-in-browser-vnz8ru4hn","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"webdev,robotics,embedded","timeRequired":"PT3M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Hackaday","item":"https://daily.dev/sources/hackaday"},{"@type":"ListItem","position":3,"name":"Robot Dog In Browser"}]} ```