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/diy/ - Do It Yourself

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>> No.1687407 [View]
File: 59 KB, 771x248, 47084335.png [View same] [iqdb] [saucenao] [google]
1687407

>>1686954
I use pic related, they don't even need an arduino, but you can use one to trigger it.
I made an alarm for my car that played the AE86 speed chime if I left the headlights on and the ignition off.

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