--- title: This Fisher-Price Toy Controller Now Plays Mario Kart... description: Developer Robert Dale Smith converted a Fisher-Price toy controller into a functional Bluetooth gamepad for Mario Kart using the Seeed XIAO nrf52840 Sense... canonical: https://daily.dev/posts/this-fisher-price-toy-controller-now-plays-mario-kart-via-bluetooth-kkgfpj5nv twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: This Fisher-Price Toy Controller Now Plays Mario Kart via Bluetooth | daily.dev og:description: Developer Robert Dale Smith converted a Fisher-Price toy controller into a functional Bluetooth gamepad for Mario Kart using the Seeed XIAO nrf52840 Sense... og:url: https://daily.dev/posts/this-fisher-price-toy-controller-now-plays-mario-kart-via-bluetooth-kkgfpj5nv og:image: https://api.daily.dev/og/posts/KkgfpJ5nv.png og:image:alt: This Fisher-Price Toy Controller Now Plays Mario Kart via Bluetooth 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. # This Fisher-Price Toy Controller Now Plays Mario Kart via Bluetooth **[80 LEVEL](https://daily.dev/sources/80lv)** · 1 min read · 1 upvotes · 0 comments ## Summary Developer Robert Dale Smith converted a Fisher-Price toy controller into a functional Bluetooth gamepad for Mario Kart using the Seeed XIAO nrf52840 Sense microcontroller. The IMU's roll angle is mapped to joystick axes for gyro-based steering, with the project still in progress as top bumper buttons remain unwired. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [A Compact Game Controller For Your Phone](https://daily.dev/posts/a-compact-game-controller-for-your-phone-dqjbieirw) · Hackaday · 0 upvotes · 0 comments - [Handheld Steering Wheel Controller Gets Force-Feedback](https://daily.dev/posts/handheld-steering-wheel-controller-gets-force-feedback-adfky7lbj) · Hackaday · 0 upvotes · 0 comments - [Someone turned a GameCube keychain into an actual working controller with an RP2040](https://daily.dev/posts/someone-turned-a-gamecube-keychain-into-an-actual-working-controller-with-an-rp2040-xygixxqur) · XDA Developers · 0 upvotes · 0 comments - [GameSir put a tiny force feedback steering wheel on its new Swift Drive controller](https://daily.dev/posts/gamesir-put-a-tiny-force-feedback-steering-wheel-on-its-new-swift-drive-controller-xkfijuvzl) · The Verge · 2 upvotes · 0 comments - [NES Advantage Stick Gets Bluetooth Upgrade](https://daily.dev/posts/nes-advantage-stick-gets-bluetooth-upgrade-wwjmy5vqt) · Hackaday · 0 upvotes · 0 comments --- Tags: [#hardware](https://daily.dev/tags/hardware), [#embedded](https://daily.dev/tags/embedded), [#bluetooth](https://daily.dev/tags/bluetooth) [View this post on daily.dev](https://daily.dev/posts/this-fisher-price-toy-controller-now-plays-mario-kart-via-bluetooth-kkgfpj5nv) ```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":"This Fisher-Price Toy Controller Now Plays Mario Kart via Bluetooth","url":"https://daily.dev/posts/this-fisher-price-toy-controller-now-plays-mario-kart-via-bluetooth-kkgfpj5nv","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/this-fisher-price-toy-controller-now-plays-mario-kart-via-bluetooth-kkgfpj5nv"},"datePublished":"2026-07-09T09:59:18.437Z","dateModified":"2026-07-09T09:59:34.460Z","description":"Developer Robert Dale Smith converted a Fisher-Price toy controller into a functional Bluetooth gamepad for Mario Kart using the Seeed XIAO nrf52840 Sense...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/65cc08508382a248b473d5b758e6d4e4?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/65cc08508382a248b473d5b758e6d4e4?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"80 LEVEL","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":"80 LEVEL","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/78eebcd76c154e6bbfd565fed7dc4093","url":"https://daily.dev/sources/80lv"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/this-fisher-price-toy-controller-now-plays-mario-kart-via-bluetooth-kkgfpj5nv","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"hardware,embedded,bluetooth","timeRequired":"PT1M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"80 LEVEL","item":"https://daily.dev/sources/80lv"},{"@type":"ListItem","position":3,"name":"This Fisher-Price Toy Controller Now Plays Mario Kart via Bluetooth"}]} ```