The annual lighting of the National Christmas Tree has offered presidents ... at President’s Park in a countdown before the tree was lit up in a bevy of white lights, including white stars ...

Savannah, Al Roker, Craig Melvin and Hoda Hotb were all on hand to help Clarkson light up the night with the annual Christmas tree lighting. "This is always the most fun party of the holiday ...

For some things, hooking up a relay to a microcontroller ... [Andy] has a long string of programmable RGB LED lights to wrap around a Christmas tree, but didn’t want to spend time manually ...

When Edison patented the light bulb in 1880 ... Teutonic tannenbaum—the Christmas tree—and the idea spread. In the States, President Franklin Pierce put one up at the White House in 1856 ...

No matter what kind of lights the machine makes, they're finally ready to be hung up on a Christmas tree.

"I can’t imagine a better way to kick off Christmas this year than to be a part of this beautiful New York tradition with the lighting of the tree!” Never miss a story — sign up for PEOPLE's ...