The FL500 UV/IR Flame Detector is compact and enables rapid flame detection with enhanced resistance to false alarms. The FL500 UV/IR Flame Detector performs constant monitoring for ultraviolet (UV) ...
If you’re looking for something to do this weekend, consider this PIR (passive infrared) Sensor Alarm project. Not only will the motion-sensing alarm protect your gear from animals and zombies alike, ...
Christopher Robertson has created a new 3D printer filament roller and feeder which offers an all-in-one IR sensor and alarm to detect all filament feeding errors automatically to help stop your ...
This circuit can be built from readily available low-cost components, some of which may even be hiding in your junkbox! The indicated value of 22 Ω for resistor R1 causes an average current of about ...
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