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iButton internals

I’ve written in the past about iButtons and my attempts to waterproof them. Although iButton temperature dataloggers are fairly well sealed, they are not waterproof. But if you know an old person that used iButtons in the late 90s or early 2000s, they might claim that iButtons are absolutely waterproof.

It turns out that iButtons are one of those rare things in life that really were better when you were a kid. In the old days they could be put out in the ocean for weeks or months, completely bare, and most of them would survive just fine … Continue Reading