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 ...
IR sensors rely on an emitter (IR LED) and a detector (photodiode or photoresistor) to measure infrared light and convert it ...
Developed as an alternative to passive infrared (PIR) sensors, STMicroelectronics has launched its ultra-low-power STHS34PF80 IR sensor for human-presence and motion detection in alarm and security ...
This is a project circuit which helps to a person in the driving seat and gives an alarm if there is any obstacle or a wall while parking or while driving in reverse. This is a project circuit which ...
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