We have a decorator lamp in our TV room. It's a hand-painted figurine of a 16th-century acrobat. It is colorful and rests atop a tall floor speaker in a corner between the entertainment center and the ...

We have a decorator lamp in our TV room. It is colorful and rests atop a tall floor speaker in a corner between the entertainment center and the wall. The lamp is unusual and, therefore, a ...

The 433 MHz spectrum is a little bit of an oddball. It’s one of the few areas of the radio spectrum which is nearly universally unlicensed Outside of the US, it’s an open playground for devices that ...

Recently, I picked up a cheap, two-channel RF remote control switch from eBay, and once I completed a demo project with it, I decided to do what I do with all of my electronics: take it apart! The ...

We have a decorator lamp in our TV room. It is colorful and rests atop a tall floor speaker in a corner between the entertainment center and the wall. The lamp is unusual and, therefore, a ...

SFH505A made by Siemens combine infrared diode receiver, amplifier, demodulator and a filter band pass for minimizing interferences. This circuit works together with this infrared transmitter. The ...

We wield remote controls to turn things on and off, make them advance, make them halt. Ground-bound pilots use remotes to fly drone airplanes, soldiers to maneuver battlefield robots. But manipulating ...