The recent bitter cold and gusty winds swirled a dry snowfall around our back patio, where it clung to the (otherwise invisible) spider silk strands on the cedar shakes:

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Ed Nisley's Blog: Shop notes, electronics, firmware, machinery, 3D printing, laser cuttery, and curiosities. Contents: 100% human thinking, 0% AI slop.
Who’d’a thunk it?
A high energy collision / accident / mishap in front of Adams Fairacre Farms (a.k.a., the grocery store) demolished 20 feet of their dry laid stone wall along Rt 44, flattened several bushes, gouged trenches in the grass, and scattered plastic debris into the parking lot. The remains of a headlight eyebrow running light emerged from a snow pile:

From the back:

Contrary to what I expected, it has one white LED at each end of the chromed reflecting channel, topped with a shaped plastic lens collecting the light:

The LED PCBs are in series, which produced a backwards wire color code on one end:

The other end looked more reasonable:

The white SMD LEDs draw 300+ mA at 3.6 V, so they’re obviously depending on external current limiting provided by the regulator PCB, sporting a TLE4242 linear current regulator and a handful of passives:

AFAICT, they didn’t use the chip’s PWM control input or its LED failure status output.
Extracting the various PCBs from the wreckage and reconnecting the wires produced a satisfactory result:

The regulator limits the LED current to 120 mA at any input from a bit over 7 V to well past 12 V, with each LED dropping 3.0 V.
Dunno what I’ll use this junk for, but at least I know a bit more about eyebrow lights. The chip date codes suggest 2010 and 2012; perhaps linear regulators have become passe by now.
I’ve always wondered what the Chinese-script company names on eBay meant, so I fed some into Google Translate (clicky for more dots):

Huh.
As the saying goes, ol’ Deng must be living “… modestly, if the kind of money he was getting out of me meant anything to him.”
Page views for 2017:

Plumbing and car troubles continue to plague folks in Search Engine City.
If I could monetize my broom handle thread IP, I’d be rich, I tell you, rich.
Some interesting (and rounded) numbers from the ads you (presumably) don’t see, because adblocking.
The blog gets just under 30 k page views/month, call it 1 k/day. Because most of the traffic arrives from search engines, each viewer looks at only 1.6 pages. Dividing the two suggests 18 k viewers/month.
WordPress now shows 90 k ad impressions/month. Dividing 90 k impressions by 18 k viewers gives 5 ad impressions/viewer, which is about what you’d expect from the three ads appearing on the main page and each post seen individually: 3 ads/page × 1.6 page views/visitor = 4.8 ads/visitor.
Before the big WP advertising push, they reported 15 k ad impressions/month for roughly the same 30 k page views/month and 1.6 pages/visitor. At one ad per page (which I don’t know for sure, but it seems reasonable), 30 k views should produce 30 k ad impressions. I can’t account for the discrepancy.
Those of you using ad blockers (which I highly recommend!) don’t know what you’re missing.
Onward, into the New Year …
I spotted a piece of jewelry during a recent walk:

The other side shows off The Shiny Bit:

I seem to have swapped the “front” and “rear” labels; the flat side faces the LED / HID bulb.
It looked even better after extraction and casual cleaning:

It seems someone with a relatively new car had a fairly high energy accident just north of Red Oaks Mill. The remainder of the debris consisted of shattered engineering plastic. We’ll never know the rest of the story.
Both lens surfaces have a slight nubbly finish, perhaps to produce some side light around the main beam. The rectangular opening apparently shaped the low beam and doesn’t appear movable, so perhaps the car had separate headlights for the high beams.
I’m not quite sure what to do with a chipped condenser lens, so it’s sitting on the windowsill (in a sun-safe orientation) along with many other glittery bits of glass I’ve collected over the years.
A light snowfall revealed plenty of overnight traffic on the patio:

I should set up an IR camera to watch what’s going on out there!