Notes
Notes
Short write-ups about decisions behind the work: what the constraint was, what I chose, and what it cost.
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October 2026 · 4 min read
Offline first, with NFC cards as the network
Why GEMA Plantation saves everything on the phone first, and how harvest data moves between phones on an NFC card when there's no signal at all.
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October 2026 · 4 min read
Why use NFC cards for Fruit Transport Documents (SPB)?
A palm fruit truck carries its transport document (SPB) from the estate to the mill. Paper gets re-typed, QR codes get dirty, and remote estates have zero signal. Here is why an NFC card became the ultimate data carrier—and what it takes to keep it secure.