# Capacitors for limit switches

**URL:** <https://forum.sienci.com/t/capacitors-for-limit-switches/5528>\
**Category:** 📄 General\
**Created:** [April 3, 2022, 12:17pm UTC](https://forum.sienci.com/t/capacitors-for-limit-switches/5528 "2022-04-03T12:17:55Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Ratmeat](https://forum.sienci.com/user_avatar/forum.sienci.com/ratmeat/32/1478_2.png) [@Ratmeat](https://forum.sienci.com/u/Ratmeat)\
**Post date:** [April 3, 2022, 12:17pm UTC](https://forum.sienci.com/t/capacitors-for-limit-switches/5528/1 "2022-04-03T12:17:55Z")

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Unclear if I need to install the provided capacitors.

On the site it states…

_Look on the top of your LongBoard to see the revision number just below the Sienci Labs logo. LongBoard revisions 1.3 and 1.4 come preinstalled with capacitors for each of the limit switch circuits._

My longboard controller is marked 1.4.3 dated 8/26/2020

It sounds like I don’t need them, however I cannot see any capacitors in the 5 port connector we’re you would be required to install them if you had an affected controller board. Are my capacitors internal? Thank you.

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**Author:** ![\_Michael](https://forum.sienci.com/user_avatar/forum.sienci.com/_michael/32/2962_2.png) [@\_Michael](https://forum.sienci.com/u/_Michael)\
**Post date:** [April 3, 2022, 5:12pm UTC](https://forum.sienci.com/t/capacitors-for-limit-switches/5528/2 "2022-04-03T17:12:51Z")

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I have the same board numbers and did not use any capacitors with the sienci limit sensors. I have not had any problems.

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**Author:** ![Ratmeat](https://forum.sienci.com/user_avatar/forum.sienci.com/ratmeat/32/1478_2.png) [@Ratmeat](https://forum.sienci.com/u/Ratmeat)\
**Post date:** [April 3, 2022, 6:47pm UTC](https://forum.sienci.com/t/capacitors-for-limit-switches/5528/3 "2022-04-03T18:47:11Z")

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Okay great. Thank you for responding.

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**Author:** ![gwilki](https://forum.sienci.com/user_avatar/forum.sienci.com/gwilki/32/366_2.png) [@gwilki](https://forum.sienci.com/u/gwilki)\
**Post date:** [April 7, 2022, 11:48am UTC](https://forum.sienci.com/t/capacitors-for-limit-switches/5528/4 "2022-04-07T11:48:40Z")

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As the original issue has been addressed, I’m closing this topic. If anyone else has a similar concern, feel free to start a new topic, which will ensure that it is addressed promptly.

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**Author:** ![gwilki](https://forum.sienci.com/user_avatar/forum.sienci.com/gwilki/32/366_2.png) [@gwilki](https://forum.sienci.com/u/gwilki)\
**Post date:** [April 7, 2022, 11:48am UTC](https://forum.sienci.com/t/capacitors-for-limit-switches/5528/5 "2022-04-07T11:48:43Z")

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