Tag Archives: Seeedstudio

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

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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Seeedstudio Super White LED lighting bar 3W — first test

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

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

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

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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8×8 RGB Matrix V3 + KICAD + SMD — part 2

Lost in some office, surrounded by clueless clerks, and low on patience… This is my adaption of the famous tag line of Army of Darkness: “Lost in time, surrounded by evil, and low on gas…”, which describes what I’ve been … Continue reading

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8×8 RGB Matrix V3 + KICAD + SMD — part 1

Now that I’ve started to work with KICAD, I’ve made the transistion to SMD parts and finally got my switch back. I hade to remove it in V2 as the DIP parts took too much space. The quartz is back … Continue reading

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