--- title: Hacking The Modern Tamagotchi With UART | daily.dev description: A creator known as Squalius built a custom UART interface to hack the Tamagotchi Paradise handheld. The build uses a cheap CH340G USB-to-UART adapter housed in... canonical: https://daily.dev/posts/hacking-the-modern-tamagotchi-with-uart-k0q0shb35 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Hacking The Modern Tamagotchi With UART | daily.dev og:description: A creator known as Squalius built a custom UART interface to hack the Tamagotchi Paradise handheld. The build uses a cheap CH340G USB-to-UART adapter housed in... og:url: https://daily.dev/posts/hacking-the-modern-tamagotchi-with-uart-k0q0shb35 og:image: https://api.daily.dev/og/posts/k0q0sHb35.png og:image:alt: Hacking The Modern Tamagotchi With UART 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. # Hacking The Modern Tamagotchi With UART **[Hackaday](https://daily.dev/sources/hackaday)** · 2 min read · 0 upvotes · 0 comments ## Summary A creator known as Squalius built a custom UART interface to hack the Tamagotchi Paradise handheld. The build uses a cheap CH340G USB-to-UART adapter housed in a 3D printed enclosure, with three pins wired to nickel strips that form a pogo-style connector for the Tamagotchi's dock. This mimics the link port normally used to connect two Tamagotchis, letting the adapter talk to the device from a browser tool in Google Chrome. It can also replace the running software entirely, with demos showing Super Mario and DOOM running on the device's 32-bit ARM microcontroller. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### How did someone get a UART connection working on a Tamagotchi Paradise? A hacker named Squalius built a pogo-style adapter using a CH340G USB-to-UART adapter housed in a 3D printed enclosure. Three pins were wired to nickel strips threaded through slits in the case, mimicking the device's custom dock normally used to link two Tamagotchis together, allowing a browser tool in Chrome to communicate with the handheld. _Hardware tinkerers exploring custom protocol hacks like this follow similar builds on daily.dev._ ### Can you run DOOM on a Tamagotchi Paradise? Yes, a hacked UART interface allows the software running on the Tamagotchi Paradise to be replaced entirely, with demos showing both Super Mario and DOOM running on the device. This is possible because the Tamagotchi Paradise is built on a modern 32-bit ARM microcontroller, capable of running more demanding software than the original 90s toys. _Fans of porting DOOM to unlikely devices track builds like this on daily.dev._ ## Similar posts on daily.dev - [Reverse-Engineering The Tamagotchi IR Connection](https://daily.dev/posts/reverse-engineering-the-tamagotchi-ir-connection-8bzck9kxz) · Hackaday · 0 upvotes · 0 comments - [You, too, can build this Arduino Nano Tamagotchi with a 3D-printed shell](https://daily.dev/posts/you-too-can-build-this-arduino-nano-tamagotchi-with-a-3d-printed-shell-h7lxp9xzc) · XDA Developers · 0 upvotes · 0 comments - [This ESP32-S3 Tamagotchi will die if you doomscroll on your phone too much](https://daily.dev/posts/this-esp32-s3-tamagotchi-will-die-if-you-doomscroll-on-your-phone-too-much-mgq98uwvo) · XDA Developers · 0 upvotes · 0 comments - [Arduino Gameboy Printer Emulator \(V3\)](https://daily.dev/posts/arduino-gameboy-printer-emulator-v3--yidyyeoo5) · Two Stop Bits · 0 upvotes · 0 comments - [Mermaid Clutch-Purse Cyberdeck Is Unappologetically Girly](https://daily.dev/posts/mermaid-clutch-purse-cyberdeck-is-unappologetically-girly-wvzatkrgk) · Hackaday · 1 upvotes · 0 comments --- Tags: [#hardware](https://daily.dev/tags/hardware), [#embedded](https://daily.dev/tags/embedded), [#arm](https://daily.dev/tags/arm) [View this post on daily.dev](https://daily.dev/posts/hacking-the-modern-tamagotchi-with-uart-k0q0shb35) ```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":"Hacking The Modern Tamagotchi With UART","url":"https://daily.dev/posts/hacking-the-modern-tamagotchi-with-uart-k0q0shb35","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/hacking-the-modern-tamagotchi-with-uart-k0q0shb35"},"datePublished":"2026-10-28T23:07:16.072Z","dateModified":"2026-10-28T23:15:29.889Z","description":"A creator known as Squalius built a custom UART interface to hack the Tamagotchi Paradise handheld. 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Three pins were wired to nickel strips threaded through slits in the case, mimicking the device's custom dock normally used to link two Tamagotchis together, allowing a browser tool in Chrome to communicate with the handheld. Hardware tinkerers exploring custom protocol hacks like this follow similar builds on daily.dev."}},{"@type":"Question","name":"Can you run DOOM on a Tamagotchi Paradise?","acceptedAnswer":{"@type":"Answer","text":"Yes, a hacked UART interface allows the software running on the Tamagotchi Paradise to be replaced entirely, with demos showing both Super Mario and DOOM running on the device. This is possible because the Tamagotchi Paradise is built on a modern 32-bit ARM microcontroller, capable of running more demanding software than the original 90s toys. Fans of porting DOOM to unlikely devices track builds like this on daily.dev."}}]} ```