More about relay (103)

1-06-2013 | With Wi-Fi modules pervasive it’s high time to start thinking about adding household appliances to your home Wi-Fi network. Controlling your...

8-09-2012 | HELP! I'd appreciate any assistance with this project particularly from someone with power experience.Proposal

1-04-2012 | Our ElektorBus series has shown how much interest there is in home automation applications. Here we describe a small circuit board that can...

1-07-2011 | Good old electromechanical relays are relatively expensive where any significant current has to be switched and switching times must be shor...

1-07-2011 | Overall, electro-mechanical scooter starter solenoids are cheap enough — but the downside is that they’re not very reliable. The contact res...

1-04-2011 | If you’re looking to establish communications between two electronic boards via a wired link over a distance of over 1 km, with no intermedi...

1-07-2009 | A typical modern optoMOS relay has an LED at the input as in the a normal optocoupler, but the light is used to switch two complementary pho...

1-10-2008 | Since time immemorial, people have always wanted to see the effects of their deeds and shown them to others. Among electronics hobbyists and...

1-07-2007 | Members of the motorcycling fraternity will welcome this design. Some types of motor cycle are notorious for having very short life expectan...

1-03-2006 | When dealing with relays we distinguish between the pull-in voltage and the hold voltage. Depending on the type of device, the latter is fro...