This light sensor switch circuit allows the automatic connection of a lamp when the light is low (at nightfall) and will maintain the lamp ON for a certain period of time. This time can be adjusted ...
Recently an ad on YouTube about an acoustic light sensor/switch module piqued my interest. Out of curiosity, I contacted the online vendor and bought a pair. Named MR-SK50A, the module is less popular ...
If you remember driving an older automatic car or currently have one, you might have noticed the O/D Off switch that usually sits below the button you press to shift the vehicle. Or you might have ...