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CNC plotter from old parts
Posted: March 31st, 2010, 5:00pm MDT by Mike Szczys
Get a quick fix of CNC for the day with this plotter. [Francisco Dulanto] grabbed the cartridge carriage from an old inkjet printer and turned it into a gantry by mounting it on two drawer sliders. The optical head assembly from a cd-rom provides the Z-axis movement with the whole thing controlled by three RepRap [...]
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Sony removes PS3 Linux support with an update… errrrr, downgrade?
Posted: March 31st, 2010, 4:00pm MDT by Mike Szczys
Sony is rolling out a firmware update for the PS3 on April 1 but we’re pretty sure it’s not a joke. What we’re not sure about is that you can call it an update. It removes features rather than fixing or adding them. In this case, it is removing the “Install Other OS” option that [...]
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Home fabricated boards in any color
Posted: March 31st, 2010, 2:21pm MDT by Mike Szczys
Tired of every printed circuit board you etch coming out brown? Take a page out of [Dane's] book and dye your PCB to just about any color you want. One hour submerged in a 200 degree bath of Rit dye turned his brown FR4 substrate to the desired dark green. We give him points for [...]
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Update: 50MHz to 100Mhz scope conversion
Posted: March 31st, 2010, 1:12pm MDT by Mike Szczys
Changing this 50MHz Rigol oscilloscope into its larger, more expensive brother just became quite a bit easier. When we originally looked at this hack it required pulling some capacitors off of the board. Now all it takes is three commands over a serial terminal connection. Take a look at the walk through video after the break. [...]
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What input device? Just use your arm
Posted: March 31st, 2010, 7:10am MDT by Mike Szczys
This one could be a game changer. [Chris Harrison] and a team of researchers are showing off a method of using your arm as an input device. An arm band worn by the user picks up acoustic signatures created by tapping on your arm with the other hand, or taping your fingers and thumb together [...]