Infrared LED flashlights can be acquired at relatively low cost, but where’s the fun in that? To that end [johnaldmilligan] spent a couple hours building an infrared flashlight-gun with an LED ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

The world of LED tools in beauty can feel like a ... So we’ve established that red light and infrared have differing make-ups and benefits, but how do you know which you should be using for ...