A year testing a smart lock with a hidden superpower: infrared wireless charging.

The circuit draws power from the USB bus ... to the computer. Installing the USB infrared receiver Most operating systems already have drivers that support a virtual serial port device like ...

Unfortunately all these light sources tend to put out light at frequencies in the infrared band in addition to the light waves you can see. Putting an IR receiver right next to your lovely Flat Panel ...

The circuit draws power from the USB bus ... to the computer. Installing the USB infrared receiver Most operating systems already have drivers that support a virtual serial port device like ...