Let me introduce another simple microcontroller-based do-it-yourself circuit that detects motion and excites a light source in a flash. The “snooper” here is an ordinary passive infrared (PIR) motion ...
Halloween is coming up faster than you think: time to dust off the gravestones and the zombie lawn decorations! This year you may want to add a little something extra to give the trick-or-treaters a ...
The PIR-TECT's flexible mounting height (up to 20 feet) and adjustable pan (180ø) and tilt (90ø) allow the view of a security camera and the PIR-TECT sensor to coincide, providing more accurate threat ...
Honeywell’s 5898 Wireless K-Band DUAL TEC Motion Sensor provides superior detection and reduces the risk of false alarms. The combination of PIR and K-Band microwave technologies enable the sensors to ...
If you want to improve your home security but would rather not add cameras or sensors to your living space, you could try using your router instead. Linksys has introduced a new motion sensing ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果