This light activated remote switch circuit could be operated using a flashlight beam and could eb used for toggling a specified load from a distance using an external light source such as a flashlight ...

When I press the “on” button on the light switch for the chandelier over my kitchen island, it turns on in an instant. When I ask Alexa to turn it off, the light turns off. When I tap the light in the ...

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 ...