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ANCEL BM200 car battery monitoring. Connected to a Raspberry Pi Zero W, MQTT, and Home Assistant
  • Homelab, Automation

Monitoring a Car Battery with Raspberry Pi, MQTT, and Home Assistant

I have two cars that don’t get driven enough, which occasionally means a surprise dead 12V battery. So I turned an ANCEL BM200, Raspberry Pi Zero W, MQTT, and Home Assistant into an always-on battery monitoring system—with the eventual goal of a simple alert: drive the fucking car before the battery dies.

  • Andy
  • September 4, 2026
iPhone screenshots failing to download over RCS on Android, fixed by changing Screen Capture from HDR to SDR
  • Networking

iPhone Screenshots Fail to Download Over RCS on Android

iPhone screenshots refused to download over RCS on my Samsung Galaxy S25 Ultra, even though regular photos worked fine. The surprisingly simple fix was changing one iPhone Screen Capture setting.

  • Andy
  • August 30, 2026
Ubuntu expand LVM partition after virtual disk resize
  • Linux

Ubuntu Root Partition Full After Disk Resize? Expand LVM Partition Safely

Introduction Expanding an Ubuntu LVM partition after increasing a virtual disk is a common maintenance task for Linux administrators. However, many users discover that the root filesystem still reports its original size even after the virtual disk has been expanded.…

  • Andy
  • July 23, 2026
  • WordPress

Divi CSS Missing? Investigating a Cloudflare APO Cache Issue

A real-world investigation into an intermittent Divi CSS issue where pages returned HTTP 200 OK but loaded without styling. Learn how Divi Static CSS, Cloudflare APO, and visual monitoring helped identify the cause.

  • Andy
  • July 21, 2026

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