More Dumpster Diving.
This time for some HP ProLiant ML330 and ML110 G6 servers with Xeon processors.
Will they work?
What should Dave do with them?
Datasheets:
http://www8.hp.com/h20195/v2/GetDocument.aspx?docname=c04286629
http://www8.hp.com/h20195/v2/GetDocument.aspx?docname=c04286597
Forum: http://www.eevblog.com/forum/blog/eevblog-691-dumpster-dive-xeon-servers/
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https://www.youtube.com/watch?v=XLhlY61ho-Y
A look inside a dumpster Keysight/Agilent N8762A 600V 8A System DC power supply.
Where did the magic smoke escape from?
PCB spark gap video: https://www.youtube.com/watch?v=vfP_65gSSBU
Forum: http://www.eevblog.com/forum/blog/eevblog-814-keysight-n8762a-600v-5100w-psu-teardown/
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https://www.youtube.com/watch?v=G_MMIv5ia5g
A surprising fault in the 4K LG Dumpster TV.
Using the block diagram and schematic to track down the likely culprit and reflowing the BGA's in an attempt to fix the fault.
Forum: https://www.eevblog.com/forum/blog/eevblog-1154-surprising-4k-dumpster-tv-fault/
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https://www.youtube.com/watch?v=XyqzVNNZEBQ
A walk around the 2022 Electronex show in Sydney.
00:00 - Electronex 2022
01:13 - Phoenix Contact
01:38 - Tektronix
03:14 - Siglent
04:37 - John South at Emona + New Rigol StationMax Oscilloscope
07:38 - Harbuch Electronix isolation transformers
09:38 - Mantis remote 3D viewing microscope
12:05 - SMCBA talks
15:04 - Wago
16:33 - More Mantis microscopes
17:26 - Wurth Electronics fan encounter
17:49 - Microchip
19:03 - Nano Dimension 3D PCB Printer
22:14- Chemtronics soldering robot
24:50 -Wire stripping and crimping machines
25:22- Rohde & Schwarz
29:53 - Yamaha Pick & Place machine
33:03 - Ask Iispex 3 3D microscope
33:44 - JBC Micro cordless soldering station and micro hot air pencil
39:16 - Neoden Pick & Place
40:52 - Selective soldering machine
42:20 - Keysight
44:00 - More Rigol
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https://www.youtube.com/watch?v=wPzzPGzxD00
Mailbag
Forum: http://www.eevblog.com/forum/blog/eevblog-1179-mailbag/
Stempedia Electronics Learning Kit:
https://thestempedia.com
Powerfilm Solar flexible indoor solar panels and bluetooth development board.
https://www.powerfilmsolar.com/specialty-markets/indoor-solar-panels/
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https://www.youtube.com/watch?v=OD7LWczxemw
Part 2 - PINGing the Voyager 2 space probe. Inside the control room at the Canberra Deep Space Communications Complex (CDSCC) while receving the Voyager 2 signal after a 30 hour PING time. A detailed look at the receiver control system screens.
Follow Richard Stephenson on Twitter: https://twitter.com/nascom1
Low noise receivers: https://safe.nrao.edu/wiki/pub/Main/GalenWatts/Reid_DESCANSO_sml.pdf
00:00 - Tour of the Canberra Deep Space Tracking Complex control room.
01:49 - Tracking Schedule
03:35 - Receiver system front end controls for Voyager 2
04:54 - Voyager 2 time reference
06:20 - Subcarrier and Symbols
07:02 - Multi Convolutional Decoder
07:57 - Spectrum Display
08:32 - Antenna controls, beam width and accuracy
10:43 - Signal path display
11:51 - Why doesn't the DSNnow signal level match the actual signal level?
Forum: https://www.eevblog.com/forum/blog/eevblog-1547-contacting-the-voyager-2-space-probe/
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https://www.youtube.com/watch?v=vUvzgZt1Vug
What is the JTAG interface and Boundary Scanning, how does it work, and what is it useful for?
The XJTAG unit: http://www.xjtag.com/jtag-tools/xjlink-xjlink2-jtag-usb.php
Forum: http://www.eevblog.com/forum/blog/eevblog-499-what-is-jtag-and-boundary-scan/
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https://www.youtube.com/watch?v=TlWlLeC5BUs
Over a decade spent categorising videos into Playlists, and all for nothing?
Rant on why Playlists don't work and how it's such a neglected Youtube feature, and a way to improve it.
This is important for eclectic channels like the EEVblog that have a wide variety of content that relies on Playlists for sorting.
Hassle Youtube on Twitter: https://twitter.com/teamyoutube
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https://www.youtube.com/watch?v=ZTwVQmUm6NY