"Vintage" fan based aroma unit
Added 2023-04-22 02:50:55 +0000 UTCI bought one of these a VERY long time ago to see how it worked, but decided to make a video about one when I discovered it being sold on eBay as a used unit.
The circuitry is quite interesting, because it appears to use a dedicated chip for timing the fan operation from a very low supply voltage.
https://www.youtube.com/watch?v=TrScKSXMmV8
Comments
Yeah, it's really low voltage for a typical IC.
Big Clive
2023-04-23 01:14:22 +0000 UTCVintage? Shoot, these are THAT old..
Sean M
2023-04-22 23:49:11 +0000 UTCThe chip would have to be fairly special to run from 1 to 1.5V.
Mike Page
2023-04-22 17:28:49 +0000 UTCI really should pause to actually read the text on the PCB properly. My eyes are drawn straight to the components.
Big Clive
2023-04-22 15:41:59 +0000 UTCAt first glance I'll guess a vintage ozone generator. I think I may have seen that video.
Big Clive
2023-04-22 15:40:54 +0000 UTCI think a mixture of durian and maybe surstromming fish.
Big Clive
2023-04-22 15:38:55 +0000 UTC04 being vintage makes me feel old :(. I don't like it. I'm not old. Not inside my head anyway.
Nani Isobel
2023-04-22 09:25:01 +0000 UTCJust to the right of the date is a circle with Pb crossed out indicating that there is NO lead in the construction- would that apply to the solder ? if so can you test it? (is there a test?) curious after you said about the battery contacts probably being good old lead solder. (btw I have mahoosive stocks of lead solder- enough to last me out!!lol)
Mike Hughes
2023-04-22 07:48:08 +0000 UTCLet's make a "Vintage" Patreon based aroma unit! We're all Patreons! XD #scnr
Tim Albers
2023-04-22 07:31:51 +0000 UTCI’d be guessing the B suffix on some of those labels is a hint that the circuit diagram had a bar over the signal name, ie it’s active low. (Doesn’t look like it’s big enough to have an A side and B side circuit :-) )
Ewen McNeill
2023-04-22 06:45:00 +0000 UTCOn the subject of vintage kit, you may be interested in this teardown/repair on YT https://youtu.be/xJguF_zdEN0 I'll not say what the item is, as that will spoil the fun guessing.
2023-04-22 06:43:27 +0000 UTCMaybe replace the liquid with Durian juice and leave it behind the toilet at June's house.
Jeff Larson
2023-04-22 04:09:02 +0000 UTCIsnt the date in the top corner of the board?
Neil Tonks
2023-04-22 03:57:32 +0000 UTC
