# How to manage the control of a contactor with self-holding using a DHT22 probe

**URL:** <https://discourse.nodered.org/t/how-to-manage-the-control-of-a-contactor-with-self-holding-using-a-dht22-probe/100457>\
**Category:** Hardware\
**Created:** [25 February 2026 18:03 UTC](https://discourse.nodered.org/t/how-to-manage-the-control-of-a-contactor-with-self-holding-using-a-dht22-probe/100457 "2026-02-25T18:03:04Z")\
**Posts on this page:** 1\
**Page:** 2

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [9 May 2026 20:39 UTC](https://discourse.nodered.org/t/how-to-manage-the-control-of-a-contactor-with-self-holding-using-a-dht22-probe/100457/21 "2026-05-09T20:39:36Z")

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