# Connecting 20 DS18B20 in 1-wire

**URL:** <https://forum.arduino.cc/t/connecting-20-ds18b20-in-1-wire/880795>\
**Category:** General Guidance\
**Created:** [July 2, 2021, 4:45am UTC](https://forum.arduino.cc/t/connecting-20-ds18b20-in-1-wire/880795 "2021-07-02T04:45:49Z")\
**Posts on this page:** 1\
**Showing post:** 26

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**Author:** ![dave-in-nj](https://avatars.discourse-cdn.com/v4/letter/d/13edae/32.png) [@dave-in-nj](https://forum.arduino.cc/u/dave-in-nj)\
**Post date:** [July 3, 2021, 7:07pm UTC](https://forum.arduino.cc/t/connecting-20-ds18b20-in-1-wire/880795/26 "2021-07-03T19:07:49Z")

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Using 2 or more busses is complicated but there is an example in the IDE under 1Wire.

I would consider it more of a last resort when all else fails.

Regarding Schrodingers Cat, Occams Razor says. DON'T OPEN THE BOX

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