#qi-hardware on 2015-01-22 — irc logs at freenode.irclog.whitequark.org

2013-02-28 15:16 DocScrutinizer05 changed the topic of #qi-hardware to: Copyleft hardware - http://qi-hardware.com | hardware hackers join here to discuss Ben NanoNote, atben / atusb 802.15.4 wireless, and other community driven hw projects | public logging at http://en.qi-hardware.com/irclogs and http://irclog.whitequark.org/qi-hardware

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05:56 <nicksydney> wpwrak: this is interesting https://www.youtube.com/watch?v=70Tu1jC4Ccw ..low powered and can be powered with the heat from your hand ..interesting

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06:02 <wpwrak> hehe, cute ;) that large a peltier may not be cheap, though

06:03 <DocScrutinizer05> http://wstaw.org/m/2015/01/22/plasma-desktopeR2003.png mains grid freq official vs KeySight U1233A

06:04 <DocScrutinizer05> sampling rate ~10Hz on U1233

06:07 <DocScrutinizer05> aPeltier of that size is around 30 bucks

06:09 <DocScrutinizer05> you can find those critters in relatively cheap small cooling boxes

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06:10 <DocScrutinizer05> http://www.quick-cool-shop.de/peltierelemente-thermogeneratoren/peltier-element-einstufig/peltierelement-qc-17-1-4-8-5m.html

06:13 <nicksydney> wpwrak: 2.1x2.1mm BLE chip https://www.youtube.com/watch?v=LtAQvKmFMcM ... :)

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06:24 <DocScrutinizer05> this U1233A is a decent meter, very exact

06:25 <DocScrutinizer05> even to +-0.5 of the 5th digit while officially it has only 4 digits

06:26 <DocScrutinizer05> at least for frequency

06:29 <DocScrutinizer05> http://paste.opensuse.org/6211681

06:36 <DocScrutinizer05> http://maemo.cloud-7.de/maemo5/usr/local/bin/u1233

06:48 <DocScrutinizer05> actually readout is 30 samples/s, update of value though is maybe 5/s

06:50 <DocScrutinizer05> http://paste.opensuse.org/56704611 (Volt mains)

06:50 <DocScrutinizer05> n8

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