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29 Nov 2019 06:44:00 UTC
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Guest Video: Voltlog #142 - Mailbag
In this guest video, Florin from the Voltlog channel with his InTheMail segment reviews some cheap useful tools and gadgets from Ebay, Aliexpress and Banggood.
Check out his channel here: https://www.youtube.com/channel/UCdXHgsCiql_78oT5ydXWvzA/
Forum: http://www.eevblog.com/forum/blog/guest-video-voltlog-142-mailbag/
EEVblog Main Web Site: http://www.eevblog.com
The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2
Support the EEVblog through Patreon!
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https://www.youtube.com/watch?v=-9l41zNWlxY
Check out his channel here: https://www.youtube.com/channel/UCdXHgsCiql_78oT5ydXWvzA/
Forum: http://www.eevblog.com/forum/blog/guest-video-voltlog-142-mailbag/
EEVblog Main Web Site: http://www.eevblog.com
The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2
Support the EEVblog through Patreon!
...
https://www.youtube.com/watch?v=-9l41zNWlxY
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eevblog-1593-16kv-esd-tester-repair-part
Repairing the Haefely Trench PESD-1600 ESD Tester, plus some testing and discussion of the IEC 61000-4-2 standard.
Forum: https://www.eevblog.com/forum/blog/eevblog-1593-16kv-esd-tester-repair-part-2/
00:00 - Repair of the Haefely Trench PESD-1600 tester
01:40 - Special snowflake rotary encoder test
03:15 - Laugh at Dave as he solders before looking
05:06 - Nothing worse than a floppy pin
07:09 - Soldering the switches
11:01 - The reassembly nighmare
18:52 - Does it work?
19:53 - Battery pack replacement
22:27 - ESD Testing that's good enough for Australia
If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblog
Or with crypto:
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#ElectronicsCreators #ESD #EMC
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https://www.youtube.com/watch?v=cO45J-8qTZ4
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eevblog-1347-smd-thermal-jumpers-could
New SMD Thermal Jumper parts could radically change your PCB thermal designs!
This is a follow-on from the original SMD Thermal Design video: https://www.youtube.com/watch?v=2ygnAv6koSQ
https://www.vishay.com/docs/60157/thjp.pdf
https://atceramics.com/userFiles/uploads/pdfs/Q-BRIDGE.pdf
Forum: https://www.eevblog.com/forum/blog/eevblog-1347-smd-thermal-jumpers-could-be-game-changing!/
Subscribe on Library: https://lbry.tv/@eevblog:7
EEVblog Web Site: http://www.eevblog.com
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EEVdiscover: https://www.youtube.com/eevdiscover
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AliExpress Affiliate: http://s.click.aliexpress.com/e/c2LRpe8g
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#Thermal #Design #SurfaceMount
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EEVBL
eevblab-60-kickstarter-free-energy-scams
Dave looks at three current free energy / over unity / perpetual motion scams on Kickstarter.
This crap got APPROVED by Kickstarter!
https://www.kickstarter.com/projects/1252786901/physics-powered-electrical-generator-prototype/description
https://www.kickstarter.com/projects/49546066/clean-and-abundant-energy-generator
https://www.kickstarter.com/projects/homoelectricity/homo-electric
https://www.kickstarter.com/projects/enceladus/affordable-household-hydro-electric-generator-prot
Forum: http://www.eevblog.com/forum/eevblab/eevblab-60-kickstarter-free-energy-scams!/
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https://www.youtube.com/watch?v=HfqpuhYiR3o
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EEVBL
eevblog-684-ness-smt-manufacturing
NOTE: This is a new version in 1080 50p
The founder and CEO of Ness Corporation Naz Circosta takes us on a personal tour of the companies impressive worlds class surface mount and through hole manufacturing facility where they produce hundreds of different Ness security and automation products.
It's no every day the CEO of a major company has the technical knowledge to take you on such a tour of their own production facilities!
He shows the Yamaha SMD/SMT pick and place machines, solder stencil paste machine, flying probe testers, optical vision inspection equipment, custom test jigs, and plastic ultrasonic welding machines. And also talks about buying a $1M Objet 3D printer, and the advantages of genuine high quality Fresnel lenses vs cheap generic ones in PIR sensor performance.
Forum: http://www.eevblog.com/forum/blog/eevblog-684-ness-smt-maufacturing-assembly-factory-tour/
EEVblog Main Web Site: http://www.eevblog.com
The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2
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https://www.youtube.com/watch?v=bTij7Juj5qE
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eevblog-1324-oscilloscope-reference
Dave shows how to use reference waveforms to capture, compare and time correlate more then one signal at a time on your oscilloscope when you just can't hold all those probes at once.
Forum: https://www.eevblog.com/forum/blog/eevblog-1324-scope-trick-2-probes-1-hand/
#Oscilloscope #Trick #Tutorial
EEVblog Main Web Site: http://www.eevblog.com
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Support the EEVblog through Patreon!
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eevblog-1532-another-2.8m-wigl-wireless
WiGL have raised another $2.8M on StartEngine for their mobile phone charging wireless power grift, in addition to the $5M they raised a year ago.
And yep, it's STILL using off the shelf technology, but this time with a new partner PowerCast!
Forum: https://www.eevblog.com/forum/blog/eevblog-1532-another-$2-8m-wigl-wireless-power-grift/
Part 1: https://www.youtube.com/watch?v=lDdRVtka0Jg
Part 2: https://www.youtube.com/watch?v=MCyLO-1grEk
Busted article by Caleb Naysmith: https://medium.com/democratizing-finance/thinking-about-investing-in-wigl-the-company-looking-to-make-limitless-universal-wireless-charging-7427f87ea5f4
The 5 biggest StartEngine successes by Caleb Naysmith: https://medium.com/democratizing-finance/the-top-5-biggest-startengine-success-stories-139a17d3a28c
00:00 - WiGL raised another $2.8M!
01:56 - Another debunking article
02:32 - They still claim it can charge anything, including EV's!
04:04 - Their supposed competition Energous
04:58 - They claim to have a $146M valuation! Err, what's Energous worth?
06:37 - Now it's salt water battery powered EV's!
07:20 - They have teamed up with the US Space Force!
08:17 - Let's watch the new campaign video!
13:23 - Do NOT invest in any company on Startengine or any other equity crowd funding site
13:58 - Let's watch the latest demo video for the US air force!
15:54 - They are just using off the shelf PowerCast wireless power modules!
18:00 - Sorry, you've lost your money. But hey, you kept them employed for years.
If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblog
Web Site: http://www.eevblog.com
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#ElectronicsCreators #Wigl #wirelesspowertransfer
...
https://www.youtube.com/watch?v=2rSQnRV5ztI
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EEVBL
eevblog-1388-dumpster-diving-4k-tv
Dave fixed this Hitachi dumpster diving 4K TV so well that he broke it!
Forum: https://www.eevblog.com/forum/blog/eevblog-1388-dumpster-diving-tv-murphys-repair/
Subscribe on Odysee: https://odysee.com/@eevblog:7
EEVblog Web Site: http://www.eevblog.com
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AliExpress Affiliate: http://s.click.aliexpress.com/e/c2LRpe8g
Buy anything through that link and Dave gets a commission at no cost to you.
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#DumpsterDiving #Repair #Murphy
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EEVBL
eevblog-744-smd-thermal-heatsink-design
Dave explains how to attach an SMD power transistor or regulator to a case to use as a heat sink in this design tutorial. And in the process talks about thermal design, the electrical/thermal analogy, and thermal vias.
This is Part 15 of the µSupply Power supply design series. Other videos are here:
https://www.youtube.com/playlist?list=PLBF35875F73B5C9B5
Forum: http://www.eevblog.com/forum/blog/eevblog-744-smd-thermal-case-design-supply-part-15/
SilPad datasheet: http://www.bergquistcompany.com/pdfs/dataSheets/PDS_SP_A2000_12.08_E.pdf
PowerPeg thermal PCB pin/turret: http://tem-products.com/index.php/powpeg.html/
Saturn PCB Toolkit calculator: http://www.saturnpcb.com/pcb_toolkit.htm
...
https://www.youtube.com/watch?v=2ygnAv6koSQ
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eevblog-1270-electronics-textbook
What is the best electronics textbook?
A look at four very similar electronics device level texbooks:
Conclusion is at 40:35
Electronic Devices by Floyd: https://amzn.to/2s4BSnK
Electronic Principles by Malvino & Bates: https://amzn.to/2DX88f3
Microelectronic Circuits by Sedra & Smith: https://amzn.to/2s5nBXX
Electronic Devices and Circuit Theory by Boylestad: https://amzn.to/33TF2rC
Also:
The Art of Electronics: https://amzn.to/2qv2j5p
Art of Electronics X Chapters pre-order: https://amzn.to/2qAmQWq
Digital Systems by Tocci: https://amzn.to/2Lvo8Jh
Forum: https://www.eevblog.com/forum/blog/eevblog-1270-electronics-textbook-shootout/
EEVblog Main Web Site: http://www.eevblog.com
The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2
Support the EEVblog through Patreon!
http://www.patreon.com/eevblog
AliExpress Affiliate: http://s.click.aliexpress.com/e/c2LRpe8g
Buy anything through that link and Dave gets a commission at no cost to you.
Donate With Bitcoin & Other Crypto Currencies!
https://www.eevblog.com/crypto-currency/
T-Shirts: http://teespring.com/stores/eevblog
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