A scheduled test of Indianapolis' tornado sirens failed on Tuesday. The signal went through, but never made it to the sirens, ...

have it toggle a relay hooked up to a loud siren. Even if you aren’t looking to make your own makeshift alarm system, the code and video after the break are a great example to follow if you want ...

Lawyers from DLA Piper debate the issue In June the Audit Commission published Grant Thornton's report into the failed SIREN project. SIREN started life in 2005 when the Surrey Police Force ...