Practical guides on Linux, AI, self-hosting, and developer tools

Better Presence Detection with Bayesian Sensors in Home Assistant

Bayesian sensors in Home Assistant give you a single, highly reliable presence signal by fusing multiple weak signals — phone Wi-Fi, GPS zones, motion detection, power consumption, and more — into a calibrated probability estimate. Instead of asking “is this one sensor on?”, the bayesian platform asks “given everything I can observe right now, how confident am I that someone is home?” The result is a presence system that tolerates sensor dropouts, handles sleeping occupants, and eliminates the embarrassing moment when the lights click off while you are sitting on the couch.

Should You Move from Zigbee2MQTT to Matter in 2026?

Matter-over-Thread provides a more universal standard for device interoperability, but Zigbee2MQTT remains superior for power users who require deep, local control over a wide range of legacy hardware. Most 2026 home automation setups benefit from a hybrid approach: use Matter for new purchases and energy management devices, while keeping your existing Zigbee network intact for battery-powered sensors and the thousands of devices that will never ship a Matter firmware update.

Build a Private Local AI Voice Assistant (2026 Guide)

A private voice assistant that runs entirely on your own hardware — no Amazon, no Google, no cloud — is not just achievable in 2026, it is genuinely practical. Using Whisper v3 for speech-to-text, a quantized Llama model for intent parsing, and Piper for natural text-to-speech synthesis, you can build a voice-controlled home automation system on a Raspberry Pi 5 that never sends a single audio sample outside your home network. This guide covers every layer of the stack, from wake word detection to Home Assistant integration, with a focus on minimizing latency so the experience actually feels like a real assistant rather than a science project.

DIY NAS Comparison: Raspberry Pi 5 vs. Intel N100

The Intel N100 is the superior choice for a DIY NAS in 2026 if you plan to run Plex or Jellyfin, need ZFS reliability, or want to expand beyond two drives. But the Raspberry Pi 5 remains the champion for low-power, always-on file storage where idle electricity cost is the primary concern. The right answer depends almost entirely on what you actually want the box to do.

Why Build a DIY NAS in 2026? The Case Against Synology

Synology and QNAP have spent the last few years making themselves harder to recommend. Synology introduced drive compatibility restrictions that reject non-Synology-branded drives in their newer units — drives that work identically to approved alternatives. Their DSM operating system has evolved from a convenient management layer into a proprietary platform with aggressive upselling for cloud services you didn’t ask for. A comparable Synology DS423+ costs around $500 without any drives included, while a comparable DIY N100 build with 4 SATA ports runs under $200.

Implement Dark Mode in Vanilla CSS (Zero JavaScript)

You can implement a robust dark mode using only the prefers-color-scheme media query and CSS Custom Properties (variables). This “CSS-first” approach delivers a completely flash-free experience for users while keeping your site’s codebase clean, lightweight, and JavaScript-independent.

Why Avoid JavaScript for Dark Mode

Most dark mode tutorials reach for JavaScript to toggle a class on <body>. It is the intuitive solution — add a button, read a preference from localStorage, apply a class — and it works well enough in demos. But in production, on real hardware, across real network conditions, this approach has critical failure modes that are worth understanding before you commit to it.

Self-Host Blog Comments with Remark42 (Privacy-First)

Most blogs reach for Disqus on day one because it takes about five minutes to set up. What you don’t see at sign-up is the deal you’re making: Disqus is free because it monetizes your readers. Every person who loads your comment section gets tracked, profiled, and served ads — not because they agreed to it, but because that’s the business model behind the embed script you pasted into your template.

Writing Custom Python Integrations for Home Assistant (HACS)

Creating a custom Home Assistant integration involves writing a Python wrapper for your hardware’s API and packaging it as a HACS component. This approach lets you bring unsupported or legacy devices into your smart home ecosystem with full entity control and automation support — without forking the core HA codebase or waiting for an official integration to land.

That said, custom integrations carry real maintenance overhead. Before diving into Python, it is worth checking whether a simpler path already exists.

Automate Smart Blinds and Adaptive Lighting for Better Sleep

Your home’s lighting environment is one of the most powerful levers you have for improving sleep quality — and it is almost entirely automatable. By combining motorized blinds controlled via Home Assistant solar elevation data with the Adaptive Lighting HACS integration, you can build a system that gradually shifts your home’s light temperature and blind positions throughout the day, automatically aligning your environment with your circadian rhythm. The result: a gentler morning wake-up, a more relaxing evening wind-down, and measurably better sleep.