--- title: Electronic Busy Board Is Fun For Kids and Hackers description: A hardware hacker built a scratch-designed electronic busy board toy for his nephew, combining hardware and firmware work. The write-up covers keeping the PCB... canonical: https://daily.dev/posts/electronic-busy-board-is-fun-for-kids-and-hackers-sovkst1oy twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Electronic Busy Board Is Fun For Kids and Hackers | daily.dev og:description: A hardware hacker built a scratch-designed electronic busy board toy for his nephew, combining hardware and firmware work. The write-up covers keeping the PCB... og:url: https://daily.dev/posts/electronic-busy-board-is-fun-for-kids-and-hackers-sovkst1oy og:image: https://api.daily.dev/og/posts/SoVkSt1oY.png og:image:alt: Electronic Busy Board Is Fun For Kids and Hackers 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. # Electronic Busy Board Is Fun For Kids and Hackers **[Hackaday](https://daily.dev/sources/hackaday)** · 2 min read · 0 upvotes · 0 comments ## Summary A hardware hacker built a scratch-designed electronic busy board toy for his nephew, combining hardware and firmware work. The write-up covers keeping the PCB to two layers, the logic behind LED multiplexing, and how timers and interrupts in the code maximize battery life for the PIC18F67K40 microcontroller running on three AAA batteries. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Random adventures in electronics](https://daily.dev/posts/random-adventures-in-electronics-hxvfmbfss) · Two Stop Bits · 0 upvotes · 0 comments - [An EInk, ESP32-based Game Boy](https://daily.dev/posts/an-eink-esp32-based-game-boy-gvqvablqq) · Hackaday · 0 upvotes · 0 comments - [Electronics for Kids, 2nd Edition](https://daily.dev/posts/electronics-for-kids-2nd-edition-3qebfweue) · Hacker News · 2 upvotes · 0 comments - [Three Different Digital Counters To Remind Us How Good We Have It](https://daily.dev/posts/three-different-digital-counters-to-remind-us-how-good-we-have-it-pfqh6gr62) · Hackaday · 0 upvotes · 0 comments --- Tags: [#hardware](https://daily.dev/tags/hardware), [#embedded](https://daily.dev/tags/embedded) [View this post on daily.dev](https://daily.dev/posts/electronic-busy-board-is-fun-for-kids-and-hackers-sovkst1oy) ```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":"Electronic Busy Board Is Fun For Kids and Hackers","url":"https://daily.dev/posts/electronic-busy-board-is-fun-for-kids-and-hackers-sovkst1oy","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/electronic-busy-board-is-fun-for-kids-and-hackers-sovkst1oy"},"datePublished":"2026-10-02T23:21:36.595Z","dateModified":"2026-10-02T23:21:53.061Z","description":"A hardware hacker built a scratch-designed electronic busy board toy for his nephew, combining hardware and firmware work. 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