# YF-S201 Water Flow Sensor - Help with Require

**URL:** <https://discourse.nodered.org/t/yf-s201-water-flow-sensor-help-with-require/30587>\
**Category:** General\
**Created:** [23 July 2020 07:34 UTC](https://discourse.nodered.org/t/yf-s201-water-flow-sensor-help-with-require/30587 "2020-07-23T07:34:06Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![oncdastan](https://avatars.discourse-cdn.com/v4/letter/o/34f0e0/32.png) [@oncdastan](https://discourse.nodered.org/u/oncdastan)\
**Post date:** [24 July 2020 08:37 UTC](https://discourse.nodered.org/t/yf-s201-water-flow-sensor-help-with-require/30587/4 "2020-07-24T08:37:27Z")

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Thanks for the reply.

Can you still guide me? Maybe it could work.

Also, I must use a water flow sensor. Are there any sensors that you would recommend?

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