[Hack a Day] 3 New Entries: Liquid Tree

Liquid Tree


Liquid Tree is decorative, functional, and green. It’s a liquid feedback display created by [Jia Yi Lin] that is designed to tell you exactly how much water you’re wasting in the shower. Behind the pretty tubes is some interesting hardware. [Lin] used an Arduino board, and based her code off the Unipolar Stepper example. She’s posted her own code and wiring for the project. When hot water is turned on, the motors decrease the amount of liquid in the tubes. This causes the pattern to slowly disappear, indicating water consumed.

[via NOTCOT]

      

Gift card electronics


Gift-giving season is upon us, and it’s time for people to start panicking about what to give to their friends and families. Gift cards have gained in popularity over the years, as companies count on people to forget to use them. But how about gift cards that do more than store a token amount of cash? Best Buy is now selling a gift card that doubles as a speaker. It has a mini headphone jack that’ll plug into any audio player. You only need to spend fifteen dollars to get it. Target’s gone all out, with a gift card that is also a 1.2 MP digital camera. It comes with a USB cord and driver disk, and there’s even one with a 64MB USB flash drive. We’re very interested to see if these will take off, and what people will do with them once the cards are used up.

[via Gizmodo]

      

Super Nintendo clock


super_nintendo_clock

[Aaron] sent us this sweet Super Nintendo Clock that he built. When he found himself with a broken SNES, a friend challenged him to out do his previous NES clock. This time, the display would be located in the cartridge, and removable. Setting the time is done on the SNES controller and seems to work pretty well as you can see in the video after the break.

Now that the display is removable, he needs to build different displays. How about a laser projected display?

      

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