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Archive for January 30th, 2015

Kenmore 158 Needle LEDs: First Light

With the boost converter mounted and the needle LEDs wired up:

 Kenmore 158 Needle Light - heatsink

Kenmore 158 Needle Light – heatsink

The Kenmore 158 sewing machine crash test dummy has plenty of light:

Kenmore 158 LED Lighting - first light

Kenmore 158 LED Lighting – first light

Well, as long as you don’t mind the clashing color balance. The needle LEDs turned out warmer than I expected, but Mary says she can cope. I should build a set of warm-white LED strips when it’s time to refit her real sewing machine and add another boost supply to drive them at their rated current.

Much to our relief, the two LEDs at the needle don’t cast offensively dark shadows:

Kenmore 158 LED Lighting - detail

Kenmore 158 LED Lighting – detail

All in all, it looks pretty good.

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