# Haphazard Build Thread, 3D Printed Q-Pack MK-3ish

**URL:** <https://forum.gbfans.com/t/haphazard-build-thread-3d-printed-q-pack-mk-3ish/32942>\
**Category:** Proton Packs\
**Created:** [May 15, 2022, 9:19pm UTC](https://forum.gbfans.com/t/haphazard-build-thread-3d-printed-q-pack-mk-3ish/32942 "2022-05-15T21:19:41Z")\
**Posts on this page:** 4\
**Page:** 2

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**Author:** ![paco](https://forum.gbfans.com/user_avatar/forum.gbfans.com/paco/32/184744_2.png) [@paco](https://forum.gbfans.com/u/paco)\
**Post date:** [January 14, 2023, 3:37pm UTC](https://forum.gbfans.com/t/haphazard-build-thread-3d-printed-q-pack-mk-3ish/32942/21 "2023-01-14T15:37:28Z")

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Hi, where do u solder the switches in this circuit?

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**Author:** ![rolandblais](https://forum.gbfans.com/user_avatar/forum.gbfans.com/rolandblais/32/112_2.png) [@rolandblais](https://forum.gbfans.com/u/rolandblais)\
**Post date:** [January 14, 2023, 6:54pm UTC](https://forum.gbfans.com/t/haphazard-build-thread-3d-printed-q-pack-mk-3ish/32942/22 "2023-01-14T18:54:17Z")

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> [@Paco post\_id=4976860 time=1673710648 user\_id=18178](#):
>
> Hi, where do u solder the switches in this circuit?

Everything (the 2 Arduinos and the SFX board) has a common hot and ground; the switch under the [ion arm](https://www.gbfans.com/shop/aluminum-welded-ion-arm) is inline with the hot lead coming from the battery pack.

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**Author:** ![paco](https://forum.gbfans.com/user_avatar/forum.gbfans.com/paco/32/184744_2.png) [@paco](https://forum.gbfans.com/u/paco)\
**Post date:** [January 15, 2023, 6:47am UTC](https://forum.gbfans.com/t/haphazard-build-thread-3d-printed-q-pack-mk-3ish/32942/23 "2023-01-15T06:47:30Z")

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i meant for firing. i eventually realized where to put the main switch but for the firing trigger that causes the sound to cue and the LEDs to spin rapidly.

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**Author:** ![rolandblais](https://forum.gbfans.com/user_avatar/forum.gbfans.com/rolandblais/32/112_2.png) [@rolandblais](https://forum.gbfans.com/u/rolandblais)\
**Post date:** [January 15, 2023, 6:40pm UTC](https://forum.gbfans.com/t/haphazard-build-thread-3d-printed-q-pack-mk-3ish/32942/24 "2023-01-15T18:40:10Z")

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> [@Paco post\_id=4976907 time=1673765250 user\_id=18178](#):
>
> i meant for firing. i eventually realized where to put the main switch but for the firing trigger that causes the sound to cue and the LEDs to spin rapidly.

Ah, ok - I don’t have my wand connected electronically to the pack. It’s a Spengler and I don’t want to mod it 🙂

The circuit [this build is based on](https://www.gbfans.com/forum/viewtopic.php?p=4962126#p4962126) doesn’t have provisions for adding a wand.

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