# Temperature sensor functionality

**URL:** https://discourse.nodered.org/t/temperature-sensor-functionality/68790
**Category:** General
**Created:** [10 October 2022 09:24 UTC](https://discourse.nodered.org/t/temperature-sensor-functionality/68790 "2022-10-10T09:24:29Z")
**Posts on this page:** 1
**Showing post:** 4

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### Author: ![dynamicdave](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/dynamicdave/32/96_2.png) [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)
#### Post date: [10 October 2022 09:55 UTC](https://discourse.nodered.org/t/temperature-sensor-functionality/68790/4 "2022-10-10T09:55:31Z")

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If you have a numbers of sensors connected to the same pin on the RPi - you might find it useful to have a look at this thread...

> [@DS18B20 not functioning](https://discourse.nodered.org/t/ds18b20-not-functioning/68769/8):
>
> I'll try 1.5k tomorrow and report back. I'm just surprised that when I clamp a new sensor and an old one together, it doesn't work and when I take two old ones or two new ones, it works. Then it can't normally be due to the resistance?!

I've never had more than 2 or 3 sensors connected to the same pin, so may not be able to help you.

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_[View the full topic](https://discourse.nodered.org/t/temperature-sensor-functionality/68790)._