Filament Runout Alarm
Description
Repurposed A Personal Alarm (Http://Www.Ebay.Com/Itm/Defense-Safety-Alarm-Personal-Panic-Rape-Attack-Security-Alarm-For-Girl-Child-/371748273225?Var=&Hash=Item568Dec7C49:M:Mtzqb9T_Zlt6Lst5Qoqz5Gq) And Soldered A Micro Switch Between The Battery And The Board So The Alarm Sounds When You Run Out Of Filament.
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