Monthly Archives: July 2009

’64-pixels’ photo group started on Flickr

Posted on July 24, 2009 by robert

To all You LED aficionados out there: I’ve started a new photo group on Flickr aptly called ’64-pixels’. It’s intended to deal with strictly anything having 64 pixels. Currently it is fed by pictures showing the various 8×8 LED matrix … Continue reading →

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Seeedstudio Super White LED lighting bar 3W — first test

Posted on July 20, 2009 by robert

I finally got my trusty digital power supply back. It must be more than 10 years old by now, but it still works like on the first day ;-) Don’t remember how much I payed for it, but looking at … Continue reading →

Posted in Electronics. | Tagged , , | 17 Comments

V3.04 PCBs from MakePCB have arrived

Posted on July 17, 2009 by robert

I’ve waited for 5 weeks for the 2nd batch of the 64-pixel RGB matrix controller boards. This time I ordered from MakePCB as I wanted to test another PCB manufacturer. Also I couldn’t get gold plated pads from GoldPhoenix for … Continue reading →

Posted in Arduino., Electronics., Soldering & PCBs. | Tagged , , , , | 4 Comments

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 →

Posted in DIY., Electronics., Fix me. | Tagged , , , , | 2 Comments

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 →

Posted in DIY., Electronics., Fix me. | Tagged , , , , | 5 Comments