Fresh hacks every day
Here’s an artsy way to map out WiFi networks around you; use a big light pole and long exposures to graph them on top of photographs. This capture method is often called light painting, and uses the relative brightness of LEDs to stretch out a still image – moving the stick quickly while the shutter is open.
The four-meter … Read the rest
Long exposure “light drawing” photography has become pretty popular lately. We see images pop up all the time that look pretty cool. [Nils] wasn’t feeling particularly artistic himself, so he made a robot to do the hard work for him. he can program patterns in, and it will replay them by changing the color of the light on top … Read the rest
[kap4001] built what has to be the simplest laser scanner possible. It’s two servos strapped together with zip ties plus a 5V laser module. They’re connected to a Pololu serial servo controller. The laser is pulsed by switching the DTR line. You could use it to draw images like the one above… except that’s an 85 second exposure… Read the rest
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