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 ...

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 ...

Neil Joseph was sitting at his desk in the Tesla Motors's Silicon Valley office a little over a year ago, when something started to bother him. The wide-open office was flooded with sunlight, yet the ...