# UV82 and CM108 wont release PTT

**URL:** <https://community.allstarlink.org/t/uv82-and-cm108-wont-release-ptt/21983>\
**Category:** AllStarLink\
**Tags:** new-users, asl3\
**Created:** [October 2, 2024, 10:28am UTC](https://community.allstarlink.org/t/uv82-and-cm108-wont-release-ptt/21983 "2024-10-02T10:28:49Z")\
**Posts on this page:** 1\
**Showing post:** 17

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**Author:** ![Mike](https://community.allstarlink.org/user_avatar/community.allstarlink.org/mike/32/1569_2.png) [@Mike](https://community.allstarlink.org/u/Mike)\
**Post date:** [October 4, 2024, 7:15pm UTC](https://community.allstarlink.org/t/uv82-and-cm108-wont-release-ptt/21983/17 "2024-10-04T19:15:17Z")

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> [@CM108 + usbinvert keep on Triggering](https://community.allstarlink.org/t/cm108-usbinvert-keep-on-triggering/21991):
>
> I have already setup multiple ASL nodes with cm108 sound fob. I always use usbinvert pulled down by 2n2222 transistor. Everything was fine until I ordered 10 new cm108 (3usd each) from an online store where I ordered my previous soundcards. The problem with the new sets of cm108 is that pin 48 keep of being triggered even if I disconnect it to the transistor. I removed everything that is connected to pin 48 and still the allmom dashboard keep on showing local souce being triggered. I tried pull…

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