Category Archives: fotw

Fail Of The Week: This SD Card Won’t Slot

If you’ve got a few self-designed PCBs under your belt, you probably know the pain of missing some little detail and having to break out the bodge wires to fix it. So we feel for [Arsenio Dev], who placed an SD card slot next to an SoC, only to find …read more

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Posted in Fail of the Week, fotw, Octavo, sd card | Leave a comment

Fail of the Week: How Not to Watercool a PC

To those who choose to overclock their PCs, it’s often a “no expense spared” deal. Fancy heat sinks, complicated liquid cooling setups, and cool clear cases to show off all the expensive guts are all part of the charm. But not everyone’s pockets are deep enough for off-the-shelf parts, so …read more

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Posted in bearing, brushes, classic hacks, computer hacks, coolant, corrosion, dielectric, Fail of the Week, fotw, fuel, fuel pump, gasoline, lubricant, PC cooling, water colling | Leave a comment

Fail of the Week: Bright Idea for LED Signs Goes Bad

Typically when we select a project for “Fail to the Week” honors, it’s because something went wrong with the technology of the project. But the tech of [Leo Fernekes]’ innovative LED sign system was never the problem; it was the realities of scaling up to production as well as the …read more

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Posted in animation, ASIC, design for manufacture, Fail of the Week, fotw, invention, led, patent, rgb, scaling, sign | Leave a comment

Fail of the Week: Thermostat Almost Causes a House Fire

Fair warning: any homeowners who have thermostats similar to the one that nearly burned down [Kerry Wong]’s house might be in store for a sleepless night or two, at least until they inspect and perhaps replace any units that are even remotely as sketchy as what he found when he …read more

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Posted in electric heater, Fail of the Week, failure analysis, fire, foresnsic, fotw, root cause, safety, teardown, thermostat | Leave a comment

Fail of the Week: Ambitious Vector Network Analyzer Fails To Deliver

If you’re going to fail, you might as well fail ambitiously. A complex project with a lot of subsystems has a greater chance of at least partial success, as well as providing valuable lessons in what not to do next time. At least that’s the lemonade [Josh Johnson] made from …read more

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Posted in AD8302, Fail of the Week, filter, fotw, harmonics, RF, thesis, vector network analyzer, vna | Leave a comment