More keyboard lighting

September 15, 2006 By 20 Comments


[sfriswolker] sent in his progressing black keyboard lighting mod. The first version used a CCFL. When that burnt out, he rebuilt it with LEDs. [google english transations - part 1 and part 2]… Read the rest

Filed Under: computer hacks

CD Spectrometer (bonus)

September 15, 2006 By 33 Comments


Allright, the keyboard light thing was a bit weak. Check out this el cheapo cd light spectrometer. The refractive properties of a CD are exploited to break up visible light into it’s components. Definitely an unexpected use of a CD. Of course, if you’re going for substance detection, you can use your CDROM as a spectrometer to identify uh, … Read the rest

Filed Under: misc hacks