Dave unboxes and takes a first look at the 500MHz Teledyne Lecroy Wavejet Touch 543 / Iwatsu 5600 series oscilloscope.
And various comparisons with the Keysight 3000X, Tektronix MDO3000, GW Instek, and Rigol 4000
Forum: http://www.eevblog.com/forum/blog/eevblog-792-lecroy-wavejet-touch-354-oscilloscope-review/
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https://www.youtube.com/watch?v=uDBuUI5GZ7Q
Everyone's favorite impractical technology ship, the SS uBeam has finally hit the iceberg, but what's left of the band is still playing as it sinks!
Meredith Perry's TED Talk: https://www.youtube.com/watch?v=ukgnU2aXM2c
uBeam CEO presentation: https://www.youtube.com/watch?v=UG2pOe-RHj4
Paul Reynolds' Blog: https://liesandstartuppr.blogspot.com
Correction: Paul was former VP of Engineering, not CTO.
Forum: https://www.eevblog.com/forum/projects/the-ubeam-faq/
#uBeam #WirelessPower #FAIL
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https://www.youtube.com/watch?v=t1R9IQF0Y9s
Part 1 of a new design series on developing an isolated USB Lab Power Supply.
Convert your USB port into an isolated lab type power supply.
This is just the introduction announcing the intention and showing off some old concept prototypes. The design videos will follow as Dave develops them.
The finished project is planned to look quite different to the prototypes.
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https://www.youtube.com/watch?v=QxWRT4U_I9o
You might be missing out on a TON of content over on the EEVblog2 channel, check it out:
http://www.youtube.com/eevblog2
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https://www.youtube.com/watch?v=8zsrGmVnbx8
Extended version of the Mailbag 1483 teardown of the Kaba Mas X-09 High Security Electronic Lock Teardown
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#ElectronicsCreators #Teardown #lock
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https://www.youtube.com/watch?v=3WSIfHOv3fc
Repsonding to Adam Something's video claiming that electric buses are a scam. Lets analyse his claims and look at what's really happening with the cost benefit anlysis of electric buses vs diesel and electric trolley buses.
Adam's video: https://www.youtube.com/watch?v=AqHsXv7Umvw
00:00 - Electric buses are a scam
01:20 - The claims
01:50 - Growth of electric buses in China
02:40 - Why not just put up wires in cities?
03:45 - Visual polution
05:50 - But they catch on FIRE!
06:38 - Batteries use slave labour!
07:20 - Cost of Electric buses vs Diesel
14:00 - Autonymous trolly buses
18:28 - Everything BUT fully electric buses are viable! Anlysis of trolley buses.
21:29 - Dave's practical table of Pros and Cons comparing the 4 options
27:28 - Electric buses are DUMB! Yeah, nah.
References:
Fosil fuel pollution: https://archive.ph/HvUaH#selection-3475.43-3475.138
Health impacts in Australia: https://soe.environment.gov.au/theme/ambient-air-quality/topic/2016/health-impacts-air-pollution
Emission and health: https://reneweconomy.com.au/victoria-needs-to-get-on-electric-bus-if-its-serious-about-emissions-and-health-44153/
Benefits outweigh costs: https://www.eesi.org/papers/view/fact-sheet-electric-buses-benefits-outweigh-costs
Cost effective: https://www.publicpower.org/periodical/article/electric-buses-mass-transit-seen-cost-effective
Summary of diesel vs electric buses: https://www.researchgate.net/figure/Summary-of-the-cost-comparison-between-Diesel-and-Electric-busses_tbl2_293195329
NREL Financial anlysis of electric buses: https://afdc.energy.gov/files/u/publication/financial_analysis_be_transit_buses.pdf
China: https://www.ies-synergy.com/en/electric-buses-where-are-we/
Maintenance of electric buses: http://www.maintenanceforum.net/cp2018/papers/S_Misanovic-mf18.pdf
Trolleybuses catch on fire too: https://www.1lurer.am/en/2017/12/21/Trolleybus-on-fire-in-Yerevan/78999
Forum: https://www.eevblog.com/forum/blog/eevblog-1441-electric-buses-are-not-a-scam-(adam-something)/
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#ElectronicsCreators #ElectricBus #AdamSomething
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https://www.youtube.com/watch?v=530G7ngo6_Y
Let's save 30 cents/unit and stuff the environment!
How can bad and cheap product design kill the environment by requiring vastly more energy generation, delivery and PF correction infrastructure?
Dave looks at the shockingly energy wasteful design of mains powered smoke alarms.
Subscribe on LBRY: http://www.eevblog.tv
140MW Wind Farm: https://www.youtube.com/watch?v=MOLasripwgo
Home Energy Savers BUSTED!: https://www.youtube.com/watch?v=_V6nYLIChUA
Power Factor Correction: https://www.youtube.com/watch?v=MBQn6xpto6M
Forum: https://www.eevblog.com/forum/blog/eevblog-1284-how-bad-product-design-kills-the-environment/
#ProductDesign #Enivironment #Fail
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https://www.youtube.com/watch?v=_kI8ySvNPdQ
What are the differences between the "old" style soldering iron tips like used on the low cost Hakko and Weller et.al low cost irons, and the more expensive integrated tip type?
An apples to oranges comparison of the Hakko FX-888D and the JBC CD-2B stations.
Bonus footage under the FLIR thermal camera.
Louis's video: https://www.youtube.com/watch?v=kmq769_ed9w
Forum: http://www.eevblog.com/forum/blog/eevblog-1064-soldering-irons-old-vs-new/
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https://www.youtube.com/watch?v=scvS2yeUH00