# Controlling a chamber heater through a relay connected to RPI4 via GPIO and monitored with a DS18B20

**URL:** <https://klipper.discourse.group/t/controlling-a-chamber-heater-through-a-relay-connected-to-rpi4-via-gpio-and-monitored-with-a-ds18b20/11131>\
**Category:** General Discussion\
**Created:** [October 22, 2023, 2:17pm UTC](https://klipper.discourse.group/t/controlling-a-chamber-heater-through-a-relay-connected-to-rpi4-via-gpio-and-monitored-with-a-ds18b20/11131 "2023-10-22T14:17:26Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**Author:** ![hcet14](https://avatars.discourse-cdn.com/v4/letter/h/ecd19e/32.png) [@hcet14](https://klipper.discourse.group/u/hcet14)\
**Post date:** [October 22, 2023, 2:51pm UTC](https://klipper.discourse.group/t/controlling-a-chamber-heater-through-a-relay-connected-to-rpi4-via-gpio-and-monitored-with-a-ds18b20/11131/2 "2023-10-22T14:51:09Z")

</div>

> [@Heater Bed Temperature is increasing without heating](https://klipper.discourse.group/t/heater-bed-temperature-is-increasing-without-heating/10894/20):
>
> I guess this is a starting point to understand that.  
> [Configuration reference - Klipper documentation](https://www.klipper3d.org/Config_Reference.html) Search [verify\_heater].

Good luck, hcet14

---

_[View the full topic](https://klipper.discourse.group/t/controlling-a-chamber-heater-through-a-relay-connected-to-rpi4-via-gpio-and-monitored-with-a-ds18b20/11131)._