# Tool enable - pin 15 for air assist?

**URL:** <https://forum.onefinitycnc.com/t/tool-enable-pin-15-for-air-assist/11826>\
**Category:** J Tech Laser\
**Created:** [March 12, 2022, 5:44pm UTC](https://forum.onefinitycnc.com/t/tool-enable-pin-15-for-air-assist/11826 "2022-03-12T17:44:31Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![ShamRocker](https://avatars.discourse-cdn.com/v4/letter/s/ea666f/32.png) [@ShamRocker](https://forum.onefinitycnc.com/u/ShamRocker)\
**Post date:** [March 12, 2022, 5:44pm UTC](https://forum.onefinitycnc.com/t/tool-enable-pin-15-for-air-assist/11826/1 "2022-03-12T17:44:31Z")

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If I set Tool Type to laser is it possible to enable pin 15 to activate my iot relay in order to power an air assist source?

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**Author:** ![ShamRocker](https://avatars.discourse-cdn.com/v4/letter/s/ea666f/32.png) [@ShamRocker](https://forum.onefinitycnc.com/u/ShamRocker)\
**Post date:** [March 12, 2022, 7:23pm UTC](https://forum.onefinitycnc.com/t/tool-enable-pin-15-for-air-assist/11826/2 "2022-03-12T19:23:13Z")

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replying to myself… I enabled it but got a lot of emi so turned it off again until I redo my wiring.

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**Author:** ![imgona](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.onefinitycnc.com/imgona/32/1691_2.png) [@imgona](https://forum.onefinitycnc.com/u/imgona)\
**Post date:** [April 16, 2022, 8:29am UTC](https://forum.onefinitycnc.com/t/tool-enable-pin-15-for-air-assist/11826/3 "2022-04-16T08:29:17Z")

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Any luck getting it to work? Thank you