Hackathon write-ups and build stories by Juho Torkkeli: why he built things, how he approached them, and what he learned.https://www.torkke.lienhttps://www.torkke.li/blog/huutohttps://www.torkke.li/blog/huutoMy unofficial Flutter client for Nimenhuuto: one-tap IN/OUT and calendar sync, built in a day with Claude Code from my own network captures.Wed, 30 Sep 2026 00:00:00 GMTproject-storyfluttermobilecalendarllmhttps://www.torkke.li/blog/building-message-alerthttps://www.torkke.li/blog/building-message-alertHow my iOS alert app grew from a Shortcuts experiment into a TestFlight beta, and why v2 lets people build a schema for their own alert messages.Tue, 29 Sep 2026 00:00:00 GMTproject-storyiosswiftswiftuishortcutsapp-intentshttps://www.torkke.li/blog/make-fire-hydrant-maphttps://www.torkke.li/blog/make-fire-hydrant-mapHow I replaced our unit's old GIS viewer with MaKe, a Flutter hydrant map built for moving vehicles, and why the data was the hard part.Thu, 10 Sep 2026 00:00:00 GMTproject-storyfluttermapsgisdesktopfire-servicehttps://www.torkke.li/blog/kaarinan-vpk-websitehttps://www.torkke.li/blog/kaarinan-vpk-websiteHow a fellow volunteer and I replaced my fire brigade's old WordPress site with a static Astro site, a WCAG AA audit and a typed content model.Wed, 02 Sep 2026 00:00:00 GMTproject-storyastroaccessibilitywebhttps://www.torkke.li/blog/maplibre-flutterhttps://www.torkke.li/blog/maplibre-flutterWhy maplibre_flutter runs MapLibre Native on all six Flutter platforms, and what textures, gestures and a text bug known since 2013 taught me.Wed, 19 Aug 2026 00:00:00 GMTproject-storyfluttermaplibremapsopen-sourcehttps://www.torkke.li/blog/junction-defence-2026https://www.torkke.li/blog/junction-defence-2026How three of us won the Kova Labs challenge with an encrypted mesh network for drone swarms, written in Rust on top of raw Wi-Fi frames.Wed, 03 Jun 2026 00:00:00 GMThackathonhackathonjunctionrustmesh-networkingsvelteradiohttps://www.torkke.li/blog/junction-2025https://www.torkke.li/blog/junction-2025Our Junction 2025 game, where Google Gemini plays street salespeople, won the best use of Gemini award and an honorable mention in Supercell's challenge.Thu, 20 Nov 2025 00:00:00 GMThackathonhackathonjunctiongeminillmnextjsgamehttps://www.torkke.li/blog/junction-2024https://www.torkke.li/blog/junction-2024Our Junction 2024 entry for KONE's challenge turned floor plans into editable 3D models with an AR view, and it took third place overall.Fri, 15 Nov 2024 00:00:00 GMThackathonhackathonjunctionflutterar3dhttps://www.torkke.li/blog/tologo-to-homekithttps://www.torkke.li/blog/tologo-to-homekitHow I got my ToloGo garage door into HomeKit and made it open when I arrive by car: first with Twilio calls, now with my own Home Assistant integration.Sat, 01 Jun 2024 00:00:00 GMTproject-storyhome-assistanthomekitautomationhttps://www.torkke.li/blog/junction-2023https://www.torkke.li/blog/junction-2023How we picked Huawei's Sense the Motion challenge at Junction 2023, turned traditional games into an exercise platform, and placed second in the challenge.Wed, 15 Nov 2023 00:00:00 GMThackathonhackathonjunctionflutterfirebase