Sometimes, projects start in somewhat unlikely places. This one began when [Istvan Raduly] scored a fake raven at a neighbor’s garage sale and decided to turn it into a thunder-and-lightning ...

You would have probably read about the SONAR that’s used in ships. By taking the same concept into a small form factor we get a distance sensor. This sensor is available in multiple variants and I’ll ...

Napco's C100-Series Dual Technology Microwave/PIR Sensors use patented adaptive dual technology to dramatically reduce false alarms by employing proprietary adjustment algorithms. C100-Series Models' ...