Impulse relay turns on with an electrical impulse at the control input and turns off again with another impulse.

Why are we asking for donations? Why are we asking for donations? This site is free thanks to our community of supporters. Voluntary donations from readers like you keep our news accessible for ...

DEAR ABBY: I have a roommate, “Don,” I have lived with for 11 years. At first, we were dating, but we broke up, and Don moved out for a year. We remained friends, and he moved back in to help ...

The 4×4 keypad connects to the Arduino’s digital pins, with rows attached to pins D9, D8, D7, and D6, and columns to pins D5, D4, D3, and D2. A push button is wired to ground and connected to pin D10 ...

Battling a quiet second half of the season, Pierre Ng Pang-chi hopes to kick-start a winning run to end his campaign when he launches a strong assault on Saturday’s Group Three features at Sha Tin.

But push one of those buttons, and things could go the other way. "In misdemeanor court many, many years ago I had a client where the D.A. was recommending minimal jail time (on a fourth-degree ...

Andrew McCutched tied Roberto Clemente for third place on the club’s all-time home run list. Andrew McCutchen moved into a tie with a franchise icon, but the Pittsburgh Pirates blew a chance to win su ...

It's a win-win! In order to ensure that your end users always have a functioning version of your app, the CodePush plugin maintains a copy of the previous update, so that in the event that you ...

You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs.