Strobeshnik is a somewhat different twist on the hard drive clocks we’ve seen in the past. Though still technically using a POV effect, the Strobeshnik displays the numerals instead of a line. By altering strobe timing of an LED behind a platter with the numbers cut into it, he can display whichever number he wants. We think this is pretty slick.
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Growing Algae With An Arduino
We’ve seen automated grow boxes of all shapes and sizes, but all were for growing plants. [Jared] over at Inventgeek wanted to do something similar for his algae. He started off with an Arduino-based solution that allows the controlled pulse of LEDs connected to his standard bioreactor as a prototype. Once he determined his proof of concept worked, he began work on a design based on the Arduino Pro Mini that has more advanced features such as temperature monitoring and algae culture density monitoring via some fancy IR voodoo. The code is open source and the hardware is easily obtainable, all that remains is the desire to grow algae.
Arduino DMX Controller
This Arduino powered DMX controller came along at just the right time. We had shown you a project earlier that involved the DMX system and several commenters remarked on the price to get into DMX hardware. If you happen to have an Arduino around, you can build a DMX controller. He found a schematic for a DMX driver, and built some custom code to control it all. You can download his code on the project site.