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Connect two temperature sensors DS18b20 to Particle Photon

Posted on 2016-08-24
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Last Modified: 2016-08-30
Hi all!

I managed to read data from my DS18B20 using Particle Photon using this tutorial:
https://www.hackster.io/AgustinP/logging-temperature-data-using-the-spark-core-b9c60c

How can I hookup and read data from two sensor instead of one?

Thanks!
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Question by:ltpitt
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by:Scobber
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Dallas temperature sensors are designed to be connected together in a bus, because most micro controllers use 'bit banging' to communicate they are often limited.

Your best bet is to use a actual bus master look at the data sheet to find a compatible part

https://datasheets.maximintegrated.com/en/ds/DS18B20.pdf

I purchased a few of these for about a buck each off ebay
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Scobber earned 500 total points
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The bus master data sheet can be found here

https://datasheets.maximintegrated.com/en/ds/DS2482-100.pdf
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