Google Keep has been my default scratchpad for years. It’s good enough for grocery lists, reminders, and quick notes. Logseq ...

After all, these backups are the duct tape keeping my tinkering lab together ...

Obsidian stores notes as local Markdown files, not a locked database, so your knowledge stays readable and portable for years.

Arduino is a microcontroller designed for real-time hardware control with very low power use. Raspberry Pi is a full computer that runs operating systems and handles complex tasks. Arduino excels at ...