Tag Archives: power supply

Spontaneous LED bulb teardown — OSRAM AA66588 [10W]

Yes, yet another power-supply failure!

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ISML killed 1st power supply — short autopsy

Last night I experienced a slight audible annoyance, coming from the #ISML power supply (5V-3A). Shortly thereafter the light literally went out, permanently. I noticed a very faint smell of burnt electronics, but delayed the autopsy until today.

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Small project #14 — KIS-3R33S breakout — with citrus smell !

www.youtube.com/watch?v=4vuW6tQ0218″

Not “pining for the fjords”, but pining for the boards!

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Acer AL1916 LCD monitor — attempted fix

For a couple of days now, the monitor doesn’t want to run on full brightness anymore. If I go up to 95%, it runs if warm, but might not start up. Set it to anything higher and it comes on … Continue reading

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Got some stuff on ebay — mostly OK

I like LEDs – a lot. A few days ago I found this special offer for a 5m warm-white LED strip on ebay and just couldn’t resist. It arrived today, was indeed shipped from Germany very quickly. So it seems … Continue reading

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Energy consumption rant — again!

With Canada having recently CHICKENED OUT of the Kyoto treaty, I’ve had a look at my various little power supplies again. I’m talking about ‘wall warts’ / laptop power supplies and the likes. The ones I have are 100% switch-mode … Continue reading

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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

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