MQTT Alarm Clock: a Cron Scheduler with a Web UI

Mon, 25 May 2026 00:00:00 +0000

mqtt-alarm-clock is a small home project born from a practical worry: I often sleep with earplugs and fear I won’t hear a regular alarm clock. My bedroom lights, on the other hand, are controlled over MQTT, so instead of making a sound, an alarm in this app publishes a message to an MQTT broker and the lights do the waking up. The app itself stays down to a scheduler with a settings page, and what happens on a given message is up to whatever is subscribed to that topic.

Tokun: Tracking Japanese Vocabulary Across Texts

Wed, 02 Apr 2025 00:00:00 +0000

tokun is a pet project for learning Japanese from real texts: paste some Japanese in, and the app splits it into words and lets you mark which ones you know. It is a SvelteKit application storing its data in PostgreSQL through Drizzle ORM, and relying on kuromoji.js to do the actual language processing.

How it works

Japanese is written without spaces, so the first step is tokenization. When a text is submitted, kuromoji breaks it into tokens, each with its surface form (the word as written), part of speech and reading. The server stores the text, then registers every token. Tokens belong to a user and are deduplicated by surface form, so a word that appears in ten different texts is a single token linked to each text through a join table that also keeps its position. This is what makes the tracking useful: marking a word once applies to every text containing it.

Drizzle ORM on Maxime Moreillon

MQTT Alarm Clock: a Cron Scheduler with a Web UI

Tokun: Tracking Japanese Vocabulary Across Texts

How it works