Pi pico reading ibuttons

The DS1922L is also extremely expensive, around £50 / $75 or more, and in the "unobtanium" category at present, as far as I can tell.

If you need logging, a simpler IC and MCU are likely a better option.

Pommie said:

The 1922L is indeed a data logger but has a different family code (0x41) to the others so the above library will need modifying.

Mike.

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i'm falling back to pico thermometer-data logger, thanks.