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experiments-with-audio-vacuum-tubes
Previously I tested a El84 using series of 9 volt batteries to generate the high B+ voltages. While it was very simple by nature, it still fell short of the desired voltages that are required to make a...
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Drawing Lissajous Curves on a Oscilloscope
Lissajous curves (http://en.wikipedia.org/wiki/Lissajous_curve) are two dimensional figures where the points (x,y) are defined by sine functions with different coefficients: x = sin(t) y = sin(at+b) By...
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Mining on an R9 290 in Linux
Picked up a couple of the newer R9 290s to add to my mining rig recently and encountered a number of problems with the latest AMD/ATI drivers as well as cgminer. It seems to be fairly common for the...
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Building a Delta 3d Printer Part 1
So I have always been interested in delta printers and I have finally gotten my Mendel Max 2 working well enough where I can begin to print parts to build one. I spent some time on reprap.org and...
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Basic Stamp tokenizing and flashing from the Linux CLI
For those of you who aren’t familiar with the Basic Stamp, its a small microcontroller available from Parallax. It runs at a whopping 20Mhz and has a full 2K of storage on board for instructions....
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