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Show HN: I built an Open Source screen timer for the m5stickc (Arduino)

urbandw311er Tuesday, January 06, 2026

I've never posted on ShowHN before, but I wanted to share my Xmas 2025 project; to try a new approach to controlling our kids screen time.

This also involved massively over-engineering a solution in order to play with a shiny new gadget (and avoid the in laws at Christmas, obviously)

I've shared some learnings on AI coding with embedded devices, and how I approached the product design/hardware selection side of things.

The Web App is at https://screenie.org - and I'm Open Sourcing the device and web app code later today (links to follow on that site)

Summary
This article discusses the Screenie Christmas Project, a collaborative initiative aimed at creating a virtual Christmas experience for users in 2025-2026. The project involves the development of an immersive, interactive platform that will allow people to participate in festive activities and connect with others during the holiday season.
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