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Tag Archives: failure by design
The Tale of “Nitecore” Keychain LED lamps …
www.youtube.com/watch?v=rZjXpqfiAhc”>sponge-bob
Once upon a time there was an overly enthusiastic browser of ebay items, instigated by “BigClive” to buy stuff. He purchased two Nitecore knock-off lights, a bit too cheap to be true! The packaging looks surprisingly good. Guess which one … Continue reading
Posted in Electronics.
Tagged cheap, ebay, failure by design, keychain, lamp, LED, nitecore
Comments Off on The Tale of “Nitecore” Keychain LED lamps …
Spontaneous LED bulb teardown — IKEA 200lm candle #2
Not too long ago one of these darn IKEA LED lamps (200lm, 4.3W) broke down after very mild usage. Well… it has happened again! When I went into my bathroom one or two hours ago, I thought I was going … Continue reading
7805 FROM HELL
AAARRRRGGGHHHH!
Posted in Electronics.
Tagged 7805, China, ebay, failure by design, hell, regulator, SNAFU, voltage
6 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 failure by design, linear, power supply, relay, short
2 Comments