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 ...

You may use this wireless light switch instead of physical contact with switches which may be dangerous if there is any shorting. The wireless light switch circuit described here requires no physical ...

Archaic light switches might as well be from the stone age. All they do is turn a light on and off. They can't dim lighting gently or remember the brightness level you prefer. Outdated switches don't ...

What engineer out there hasn't been called upon to replace a light switch, circuit breaker or other electrical device? Most of us have, I'll bet. Unfortunately, as knowledgeable as we broadcast or ...

Although newer homes have wall switches for most overhead lighting, fixtures in older houses may be controlled by pull chains from the light. Trying to find that pull chain in the dark can be ...

In the 120V circuits of homes and offices, the grounded conductor is the same as the neutral. Typically, when wiring a switch for a 120V load (e.g., a light) only one wire comes to the switch and only ...

Few things are more frustrating than a loose light switch. You go to turn on your lights and the switch flops back down, leaving you in the dark or with an annoying flickering light. Whatever the ...