Interesting, but flickery mains COB strip with terrible dimmer
Added 2023-04-27 05:25:31 +0000 UTCThis strip has a very smooth and even glow along its full length due to the use of a COB based strip with a diffuser in front. It's ket down by being mains voltage with no smoothing, so it flickers a bit too much for comfort.
It also has a very inappropriate dimmer, which was interesting in its own right.
It is hackable though, and could be used with a little bit of custom circuitry to set a lower intensity with no flicker at all. (Cap dropper with smoothing.)
I wonder if they do a 12 or 24V version. It would be safer, with no flicker.
https://www.youtube.com/watch?v=Q19zDo0D1rE
Comments
It tested as a near short circuit.
Big Clive
2023-04-29 16:35:58 +0000 UTCRadio ham here.. Yep, hate the broad spectrum interference. It's interesting to get a cheap battery-operated MW/AM transistor radio (what we used to call a "tranny") and walk around the house identifying the sources of interference. Very similar looking lights can have very different emission characteristics. Our worst LED (30W tube replacement) can be heard across the entire AM band from 100m away..
Gordo
2023-04-29 14:51:58 +0000 UTCdid you try to measure the fusible resistor? - it mau be the bands run the other way, so perhaps 22 ohm? that would make more sense maybe?
David Reader
2023-04-29 01:37:40 +0000 UTCOpportunity for a short-short video - test that fuse and see at what current - and if - it actually opens, and whether it does so gracefully or not. With the rest of the careful attention to safety of this circuit, it might just be a tinned steel lead with a do-nothing plastic body molded onto it :)
Charles
2023-04-28 04:09:07 +0000 UTC"A very inappropriate dimmer". Caution: NSFW dimmers.
Curtis Hoffmann
2023-04-27 13:36:24 +0000 UTCQuite dangerous. That box came apart without a screwdriver. That's a big no-no for a consumer product.
Mike Page
2023-04-27 12:48:36 +0000 UTCIt seems to me that they could have used a smaller value pot and series resistor to get rid of the pot's dead zone where it does nothing as it's turned. Possibly it would be better to replace the dimmer circuit with a filter capacitor and a high-low switch with just a resistor. Thanks, Clive.
John Lundgren ~ Acme Fixer
2023-04-27 09:15:31 +0000 UTC
