# Problem of sequence with patch

**URL:** <https://forum.xod.io/t/problem-of-sequence-with-patch/5874>\
**Category:** XOD Programming Questions\
**Created:** [February 14, 2022, 12:02pm UTC](https://forum.xod.io/t/problem-of-sequence-with-patch/5874 "2022-02-14T12:02:04Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![rogmorin](https://avatars.discourse-cdn.com/v4/letter/r/85f322/32.png) [@rogmorin](https://forum.xod.io/u/rogmorin)\
**Post date:** [February 14, 2022, 12:02pm UTC](https://forum.xod.io/t/problem-of-sequence-with-patch/5874/1 "2022-02-14T12:02:04Z")

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Hello i’m new in XOD , tmy project is a simple sequence of operation of pumps and valves to switch from one tank to the other.  
So I made few patch for each event , linked them through pulse in/out. It worked but some of the patch goes on even if there are at the thirth part of the sequence. Seem that there is a pulse signal that trig randomly.

 ![hydro2-main](https://canada1.discourse-cdn.com/flex027/uploads/xod/original/2X/9/9e94dca3415112b1c1edad7cd0c6820488c013b2.jpeg)  
as exemple , the RGB glow at beginning, also water1 went on

Thanks for your help

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**Author:** ![gweimer](https://avatars.discourse-cdn.com/v4/letter/g/a9adbd/32.png) [@gweimer](https://forum.xod.io/u/gweimer)\
**Post date:** [February 14, 2022, 3:23pm UTC](https://forum.xod.io/t/problem-of-sequence-with-patch/5874/2 "2022-02-14T15:23:57Z")

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I don’t see any obvious problem here, except you can try adding a defer node after boot. This gives Arduino time to stabilize & finish initialization before starting your program. If that doesn’t help, we would need to see the code within your nodes.

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**Author:** ![rogmorin](https://avatars.discourse-cdn.com/v4/letter/r/85f322/32.png) [@rogmorin](https://forum.xod.io/u/rogmorin)\
**Post date:** [February 15, 2022, 3:27am UTC](https://forum.xod.io/t/problem-of-sequence-with-patch/5874/3 "2022-02-15T03:27:04Z")

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Hi G,

I tried the option you proposed and it does not seem to be the solution. Please indication how to proceed to send you the details of my patches.

Regards,

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**Author:** ![gweimer](https://avatars.discourse-cdn.com/v4/letter/g/a9adbd/32.png) [@gweimer](https://forum.xod.io/u/gweimer)\
**Post date:** [February 15, 2022, 5:49am UTC](https://forum.xod.io/t/problem-of-sequence-with-patch/5874/4 "2022-02-15T05:49:46Z")

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You can either attach a xodball of your project, or if they are not complex (i.e. large) patches, you can include pictures of them.

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**Author:** ![rogmorin](https://avatars.discourse-cdn.com/v4/letter/r/85f322/32.png) [@rogmorin](https://forum.xod.io/u/rogmorin)\
**Post date:** [February 15, 2022, 8:56pm UTC](https://forum.xod.io/t/problem-of-sequence-with-patch/5874/5 "2022-02-15T20:56:29Z")

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Hi G,

The case is resolved; I does not configured correctly the output of some patches. So it seem to work correctly for now….until next issue.

Thanks you for your time,

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**Author:** ![system](https://canada1.discourse-cdn.com/flex027/uploads/xod/original/1X/eb7348baa04192c2ef932d1db54d44f09f8a7888.png) [@system](https://forum.xod.io/u/system)\
**Post date:** [February 17, 2022, 8:56pm UTC](https://forum.xod.io/t/problem-of-sequence-with-patch/5874/6 "2022-02-17T20:56:58Z")

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