To capture an instant on film or sensor with a camera, you usually need a fast shutter. But alternately a flash can be triggered with the scene in the dark and the shutter wide open. It’s this latter ...
The Clapper was a goofy little device popular in the '80s and '90s that made it so you could turn on any outlet in your house with a clap. Make shows off how to build your own version of that device ...
• Measure the sound intensity - Turn on a red light if it gets too loud! • Give sound commands: two claps turns on a light, one clap turns it off (anyone remember “The Clapper”?) ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback