A timer-controlled doorbell device has been developed using two 555 timer ICs in monostable mode, combined with a relay ...

Michael Dunlop, the most successful rider in Isle of Man TT history, is to compete at this weekend's Tandragee 100 road races ...

A new study found that among four cognitive abilities tested in older adults, verbal fluency (the ability to use language ...

During colder months, space heater use goes way up—and so do fires. Shop the safest space heaters, as advised by an ...

A horrible, life-ending Blight has appeared on planets across the galaxy, and the only person who seems to be able to stop it is our big High Republic villain, Marchion Ro. In this excerpt, we’re with ...

But as we get older, and with the stresses of life, our posture can become compromised — and because the human body is so ...

Automatic Anchor Light Circuit and Working The circuit described here (refer to Fig. 3) lets you control an electromagnetic relay so that it turns on a white LED light when the preset light level is ...

In DC voltage applications, the RC snubber network is typically wired across the relay contacts, whereas in standard AC ...

Some people can’t be bothered to read the analog face of a traditional clock. Some people cannot stand the low frequency “hum ...

The remote variable resistor functions as a voltage-controlled resistor whose resistance changes based on an applied voltage.