Hands-on experience with AI, self-hosting, Linux, and the developer tools Botmonster actually uses

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Hands-on experience with AI, self-hosting, Linux, and the developer tools Botmonster actually uses

Bluetooth proxies under $20: room detection with ESP32-C3

ESP32 boards flashed with ESPHome Bluetooth Proxy firmware relay BLE to Home Assistant over Wi-Fi for under $20, with room-level presence via Bermuda.

Build interactive charts in Hugo without JavaScript

Turn CSV and JSON data into accessible SVG charts at Hugo build time using shortcodes. No JavaScript, no Chart.js, and zero runtime overhead.

Implement dark mode in vanilla CSS (zero JavaScript)

Implement flash-free dark mode with CSS Custom Properties and prefers-color-scheme. Covers Color Level 5, container queries, toggles, SVG theming.

Building a progressive web app from scratch with vanilla JavaScript

Add a manifest, service worker, and HTTPS to enable offline support, push notifications, and install prompts on any site using vanilla JavaScript.

Local Z-Wave alarm: $250 setup, no monthly fee

Build a cloud-free Z-Wave home alarm with door sensors, motion detectors, and a siren in Home Assistant. Keeps working with the internet down.

Moving from VirtualBox to Docker Desktop on Linux

Migrate from VirtualBox to Docker Desktop on Linux. Containers are leaner for development. Covers Dockerfiles, networking, volumes, and workflow.