Ben Franklin Middle School band students competed to see who could best replicate a police siren, in a class contest with ...

The Police Siren circuit uses two 555’s to produce an up-down wailing sound. The first 555 is wired as a low-frequency oscillator to control the VOLTAGE CONTROL pin 5 of the second 555. The voltage ...

CROWLEY, Louisiana -- Emergency curfews in south Louisiana usually happen during natural disasters like hurricanes, but the coronavirus pandemic is unprecedented. Apparently, the way law enforcement ...

Ashley is your community reporter covering news and sports in northern San Luis Obispo County, including San Miguel, Paso Robles, Templeton, Atascadero and Santa Margarita. The Grover Beach Police ...