Knowledge & Perspectives
- ArticleBackupPC to the rescue
Failed disks, a hosting company's data corruption, burglaries: every time, a proper backup brought things back. BackupPC is one way to get there.
- ReferencePHP snippet: RGB ↔ HSV colour conversion
A small PHP class for converting colours between RGB and HSV, handy for twisting pictures and generating captchas.
- Engineering notebookThe TRV that cried “1 %”
For a week, a Sonoff TRVZB in my office convinced me its batteries were dead. What it had really lost was its calibration.