Call for help: If you are (or know)
someone near Hamburg, Germany, with a recently calibrated signal generator
and oscilloscope and willing to do me a favour, please contact my by mail. I
would love to perform a "full calibration" on a HP 54502A scope I have
bought on ebay. Thankyou.
The self-made marble keyboard
When people have too much spare time, they sometimes have strange ideas and
cannot keep from realizing them. I took a Cherry G81-3000 keyboard, US
layout, no Windows keys, of course. Add some PVC black marble, a hair dryer,
a scalpel, and three hours of work - here are the results:
Click on the photos below to see larger versions.
Overview
Close-up
One hour later, I found the standard grey mouse to be too ugly to lay next
to this wonderful keyboard. About another hour of work, and voila!
