Category Archives: Fix me.

Things that needed repairing.

I shall smite yee till kingdom come — Arrrrrr!

ENOUGH OF THIS INSANITY! In my previous post I described how and why I’ve temporarily wrecked my beloved power supply. Thankfully these 390mΩ 5W resistors are available. Right now I could only find 5% types, but ” bettar tan nottin’ … Continue reading

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

Failure by Design – My digital power supply

It’s a Voltcraft DIGI-35 CPU. So far I’ve been quite fond of it and given its age of more than 15 years rightly so I think. The markings on the PCB read: “CTC/91 DIGI-35″ and “18132 4350009427″. It’s the black … Continue reading

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

Floating voltages and bad GND connections — getting zapped and worse

Nothing good can come from a freak idea after mi….. Wait! This time I actually learned something, or in more pleasant words: I was reminded that there was something about floating power supplies, measuring voltages and something called ‘common ground’. … Continue reading

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

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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Note to self: 26.0V >> 2.60V — A short ChipQuik review

Nothing good can come from a freak idea after midnight ! I was tired and should have gone to bed. But when I get too tired I can’t fall asleep anymore and turn into a zombie, looking for something stupid … Continue reading

Posted in Arduino., Electronics., Fix me., Soldering & PCBs. | Tagged , , , , | 6 Comments