Infrared certainly has its uses, but if you’re trying to locate objects, ultrasonic detection is far superior. It’s contact-less, undetectable to the human ear, and it isn’t affected by smoke, dust, ...
The Nokia Locate Sensor is a nifty little gadget that lets you keep track of your wallet, car keys, children (or even spouse?) within a range of 100 m by using a special application installed on your ...
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