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Warm-White LED Strip: FAIL

The roll of warm-white LEDs I used for the first sewing machine lights has evidently aged out:

Failed warm-white LED strip
Failed warm-white LED strip

They’ve been wrapped on their original roll, tucked in an antistatic bag, for the last five years, so it’s not as if they’ve been constantly abused.

All the cool-white LEDs on an adjacent roll in the same bag still work perfectly, so you’re looking at inherent vice.

I harvested the three longest functional sections and dumped the remainder in the electronics recycling box.

COB LEDs provide much more light, if only because they run at higher power densities, and seem to be much better cost-performers:

Juki TL-2010Q COB LED - installed - rear view
Juki TL-2010Q COB LED – installed – rear view

Admittedly, I haven’t looked at the RGB LED strips in a while, either.

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