Low Filament Alarm

Low Filament Alarm

thingiverse

Just a stand alone low filament alarm. remember to wire the buzzer to the correct polarity. All the parts are available on eBay. 9V Active Buzzer Magnetic Long Continous Beep Alarm Ringer 12095 Type 9 Volt T-Type Battery Clip - See picture for exact type 1NO 1NC KW12-21 SPDT Momentary Hinge Lever Arm Miniature Micro Switch

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