This light activated relay circuit presented here uses the 555 timer IC and a light dependent resistor or LDR to form a light sensitive relay in an intruder alarm system or for switching on a lamp at ...

Lauded by the company as the most revolutionary relay since the invention of the TO-5 in 1961, this compact, DPDT, surface-mount latching device is characterized up to 10 GHz. The RF522 is said to be ...

ANCIENT OLYMPIA, Greece (AP) — The flame for South America’s first Olympics was kindled Thursday at the birthplace of the ancient games in Greece, heralding the start of a 15-week journey that will ...

This is a circuit which helps to Turn on or off the street lights automatically using relays and LDR.This is a circuit which helps to Turn on or off the street lights automatically using relays and ...

The Model JSB212 2A/60W SPDT form C relay is controllable via its integrated USB port to provide host control between a common line and normally open and closed connection points. Three indicator ...

Last column, I wrote about various applications where fire alarm relays could be used to integrate a commercial fire alarm system with other electrical systems at a customer’s site to provide them ...