Category Archives: DIY.

Making things.

Jyetech AVR digital oscilloscope DIY KIT — trying to fix it – part 2

Posted on August 9, 2009 by robert

Maybe you remember my last post about the Jyetech oscilloscope and it’s weird behaviour. Not all of them are strange, as the free replacement DIY KIT I received from them works fine. At that time I suspected a sick ATmega64 … Continue reading →

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Jyetech AVR digital oscilloscope DIY KIT — trying to fix it – part 1

Posted on July 12, 2009 by robert

The symptoms since a firmware upgrade (and downgrades, re-upgrades…): strange characters on the display for SEC/DIV system freezes +/- buttons are ignored (but still work physically) the ADC chip doesn’t get a CLK signal during a freeze My theory: The … Continue reading →

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Jyetech AVR digital oscilloscope DIY KIT — Firmware upgrade odyssey

Posted on July 9, 2009 by robert

I bought the DIY KIT at seeedstudio recently, as I needed to feed my soldering obsession. Here are some images of the KIT coming right out of the box: I had to use my milling machine, because the front panel … Continue reading →

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IKEA SAMTID modification — part 1

Posted on July 8, 2009 by robert

I have 3 Ikea Samtid lamps. They’re affordable, useful and the design is timeless. One is in my living room and started to bore me. That has to change. As the lamp can be dismantled very easily it’s begging for … Continue reading →

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Creating 3D SVG graphs with google Sketchup7 on linux

Posted on February 3, 2009 by robert

Well, almost… have a look at the updates section. What you will need: Google Sketchup7, Inkscape 0.46 or later, a PDF creator printer driver and Windows XP (dual boot or virtualized). Inkscape is a very nice program for creating 2D … Continue reading →

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