White County has just announced the installation of the necessary hardware to be part of the Digital Siren network; it's the first county in Tennessee to do so ...
Tennessee law enforcement agencies are encouraging drivers to download a smartphone application designed to reduce crashes ...
Cops said they didn't know the alarm was used in the dystopian movie franchise. Police officers in a Louisiana town are apologizing to residents after they alerted them to their coronavirus-related ...
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 ...