Mystery device
in [Design]
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From: John Larkin on 28 May 2010 20:03 On Fri, 28 May 2010 18:47:26 -0400, Jamie <jamie_ka1lpa_not_valid_after_ka1lpa_(a)charter.net> wrote: >John Larkin wrote: > >> On Fri, 28 May 2010 09:59:57 -0700, D Yuniskis >> <not.going.to.be(a)seen.com> wrote: >> >> >>>Hi, >>> >>>Pulled this out of the recycle bin as it "looked >>>interesting" :> >>> >>>Fully populated PCB but no case to put it in context. >>>No useful markings on the silkscreen. >>> >>>10 LEDs arranged in a semicircle -- green followed >>>by red (e.g., like a meter with a - and + zone). >>> >>>One power indicator. >>> >>>One push button (power on/off) >>> >>>9V battery powered. >>> >>>Turning it on appears to do a lamp test (though this >>>could just be a noise spike that temporarily drives >>>the "meter" up to MAX). >>> >>>Center of board has a foil pattern similar to what you >>>would find *in* an RFID tag (1.5" concentric squares). >>>I.e., suggests it is an antenna. >>> >>>Now, what might this be *used* for? >>> >>>Thx, >>>--don >> >> >> Stud finder maybe. >> >> John >> >Some one looking for me? > Sorry, typo. I meant to say "spud finder." John
From: Grant on 28 May 2010 22:24 On Fri, 28 May 2010 19:24:59 GMT, zekfrivo(a)zekfrivolous.com (GregS) wrote: >In article <htp4tp$dbr$1(a)usenet01.srv.cis.pitt.edu>, zekfrivo(a)zekfrivolous.com (GregS) wrote: >>In article <htp08h$cb9$1(a)usenet01.srv.cis.pitt.edu>, zekfrivo(a)zekfrivolous.com >> (GregS) wrote: >>>In article <htosdu$tki$1(a)speranza.aioe.org>, D Yuniskis >>> <not.going.to.be(a)seen.com> wrote: >>>>Hi, >>>> >>>>Pulled this out of the recycle bin as it "looked >>>>interesting" :> >>>> >>>>Fully populated PCB but no case to put it in context. >>>>No useful markings on the silkscreen. >>>> >>>>10 LEDs arranged in a semicircle -- green followed >>>>by red (e.g., like a meter with a - and + zone). >>>> >>>>One power indicator. >>>> >>>>One push button (power on/off) >>>> >>>>9V battery powered. >>>> >>>>Turning it on appears to do a lamp test (though this >>>>could just be a noise spike that temporarily drives >>>>the "meter" up to MAX). >>>> >>>>Center of board has a foil pattern similar to what you >>>>would find *in* an RFID tag (1.5" concentric squares). >>>>I.e., suggests it is an antenna. >>>> >>>>Now, what might this be *used* for? >>>> >>> >>> >>>Sounds like the thing in my hand. >>> >>>i bought it surplus several years ago. Probably Electronic Goldmine. >>>A magnetic field detector. >>> >>>Ghostbuster. >>> >> >> >>That thing used to go haywire near CRT's. Probably one of the main uses >>at the time to check for fields. Yes it works fine on my Fluke >>analog/digital scope. >> > > >i wonder if we all fell a little better away from the computer CRT's ?? >Is there any history event trend ? Assuming s/fell/feel/ ? Recently I three broken LCD monitors, fixed two of them so no CRTs here now, feel much better! Grant. -- http://bugs.id.au/
From: Robert Baer on 29 May 2010 06:06 D Yuniskis wrote: > Hi, > > Pulled this out of the recycle bin as it "looked > interesting" :> > > Fully populated PCB but no case to put it in context. > No useful markings on the silkscreen. > > 10 LEDs arranged in a semicircle -- green followed > by red (e.g., like a meter with a - and + zone). > > One power indicator. > > One push button (power on/off) > > 9V battery powered. > > Turning it on appears to do a lamp test (though this > could just be a noise spike that temporarily drives > the "meter" up to MAX). > > Center of board has a foil pattern similar to what you > would find *in* an RFID tag (1.5" concentric squares). > I.e., suggests it is an antenna. > > Now, what might this be *used* for? > > Thx, > --don RF detector..I have a few PCBs very much like that.
From: Robert Baer on 29 May 2010 06:07 Spehro Pefhany wrote: > On Fri, 28 May 2010 09:59:57 -0700, D Yuniskis > <not.going.to.be(a)seen.com> wrote: > >> Hi, >> >> Pulled this out of the recycle bin as it "looked >> interesting" :> >> >> Fully populated PCB but no case to put it in context. >> No useful markings on the silkscreen. >> >> 10 LEDs arranged in a semicircle -- green followed >> by red (e.g., like a meter with a - and + zone). >> >> One power indicator. >> >> One push button (power on/off) >> >> 9V battery powered. >> >> Turning it on appears to do a lamp test (though this >> could just be a noise spike that temporarily drives >> the "meter" up to MAX). >> >> Center of board has a foil pattern similar to what you >> would find *in* an RFID tag (1.5" concentric squares). >> I.e., suggests it is an antenna. >> >> Now, what might this be *used* for? >> >> Thx, >> --don > > Microwave oven leakage tester? > No, i have a RS one, small horn with diode and meter, period.
From: Robert Baer on 29 May 2010 06:08 Spehro Pefhany wrote: > On Fri, 28 May 2010 12:27:16 -0700, D Yuniskis > <not.going.to.be(a)seen.com> wrote: > >> Hi Spehro, >> >> Spehro Pefhany wrote: >>> On Fri, 28 May 2010 09:59:57 -0700, D Yuniskis >>> <not.going.to.be(a)seen.com> wrote: >>> >>>> 10 LEDs arranged in a semicircle -- green followed >>>> by red (e.g., like a meter with a - and + zone). >>>> >>>> One power indicator. >>>> One push button (power on/off) >>>> 9V battery powered. >>>> >>>> Turning it on appears to do a lamp test (though this >>>> could just be a noise spike that temporarily drives >>>> the "meter" up to MAX). >>>> >>>> Center of board has a foil pattern similar to what you >>>> would find *in* an RFID tag (1.5" concentric squares). >>>> I.e., suggests it is an antenna. >>>> >>>> Now, what might this be *used* for? >>> Microwave oven leakage tester? >> Ah, that's possible! I found a bunch of RC kit in >> the same pile so wondered if maybe used to measure >> signal strength (though I would assume you would >> empirically determine this -- e.g., when plane >> *crashes*, etc. :> ) >> >> I'll see what it does near the microwave... > > Be sure to defeat the interlocks to give it plenty of signal. > ....and zap your pacemaker..
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