Category Archives: Miscellaneous

EEVblog #1127 – Studio Monitor Speaker Noise – Part 2

Follow-up to the Studio Monitor Noise video, replacing the mains power supply with a battery supply. Does the noise floor go away?

Part 1: https://www.youtube.com/watch?v=_k5MrB99lpU

Forum: http://www.eevblog.com/forum/blog/eevblog-1127-studio-monitor-speaker-noise-part-2/

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EEVblog #1127 – Mailbag Monday

Yes, Mailbag Monday is back!
Weekly mailbag videos to come.
Perhaps the worst schematic ever seen?

SPOILERS:
Only two items for today’s Mailbag, and I had a lot to say on each.
The WIHA SpeedE Electric Screwdriver
https://www.wiha.com/en-int/produkte/electro/wiha-speede.html

16:10 Will the HaasoScope 4CH 60MHz 200MS/s change Dave’s mind on USB oscilloscopes:
https://www.crowdsupply.com/andy-haas/haasoscope
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EEVblog #1126 – Mystery Teardown!

What’s is this obscure 1970’s bit of kit from a big name manufacturer?

AliExpress Affiliate: http://s.click.aliexpress.com/e/c2LRpe8g

Forum: http://www.eevblog.com/forum/blog/eevblog-1126-mystery-teardown/

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EEVblog #1125 – Amazing $500 Soldering/Inspection Microscope!

This sub US$500 Eakins microscope from Aliexpress seems identical to the new AU$1800 Suba Engineering microscope for 1/3 the cost.
And Dave shows how it can out perform the $4500 Tagarno!

http://s.click.aliexpress.com/e/b7ycSav2
http://s.click.aliexpress.com/e/eN3Ec5a
http://s.click.aliexpress.com/e/bHSXalzm
http://s.click.aliexpress.com/e/cMimkzYc

Forum: http://www.eevblog.com/forum/blog/eevblog-1125-amazing-$500-solderinginspection-microscope!/

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eevBLAB #53 – Beware of Trademark Scams

Beware of Trademark listing scams that look like official invoices to renew or protect your trademark.
https://www.ipaustralia.gov.au/trade-marks/managing-your-trade-mark/unsolicited-invoices

http://www.eevblog.com/forum/blog/eevblab-53-beware-of-trademark-scams/

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EEVblog #1124 – Rigol 7000 Oscilloscope Teardown

Inside the new Rigol 7000 Series oscilloscope with custom ASIC’s.
Also a look at the bootloader code for potential hacks.

Forum: http://www.eevblog.com/forum/blog/eevblog-1124-rigol-7000-oscilloscope-teardown/

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EEVblog #1123 – EEVblog Meetup 2 Electric Boogaloo

A look at the recent EEVblog meetup and the projects people bought along to show off. And you won’t believe which companies advertised at the event! 😀

Kickstarter Particle Accelerator: https://awesome.tech/

BrunoPoweeer: https://www.youtube.com/user/bruno2bari
MakersMuse: https://www.youtube.com/user/TheMakersMuse
MickMake: https://www.youtube.com/channel/UC7GMT3ohvYEAJFDenzj9EMQ

Forum: http://www.eevblog.com/forum/blog/eevblog-1123-eevblog-meetup-2-electric-boogaloo/

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eevBLAB #52 – My Personal Data STOLEN from the Government!

All my personal data was STOLEN from the Western Australian Government’s Perth Mint thanks to a third party data breach.
Obvious serious identity theft implications for customers as a result.

Perth Mint CEO: https://www.youtube.com/watch?v=UsjHlgTchnE

Forum: http://www.eevblog.com/forum/blog/eevblab-52-my-personal-data-stolen-from-the-government!/

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EEVblog #1122 – Raspberry Pi 3 PoE Hat FAIL Investigation

The new official Power Over Ethernet (PoE) hat for the Raspberry Pi 3 B+ has been reported to fail with an overcurrent error when powering USB devices.
Dave investigates and narrows it down until, well, something goes horribly wrong…

Rpi forum: https://www.raspberrypi.org/forums/viewtopic.php?t=220984

Forum: http://www.eevblog.com/forum/blog/eevblog-1122-raspberry-pi-3-poe-hat-fail-investigation/

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EEVblog #1121 – Fontus goes BANKRUPT!

Who saw it coming?, Fontus have filed for bankruptcy!
The infamous “self-filling water bottle” that raised $340k on Indiegogo has gone bankrupt and delivered nothing.
You ‘canna beat the laws of physics Captain!

https://www.ksv.at/insolvenzfaelle/insolvenz-fontus-water-technology-gmbh-1030-wien
http://www.fontus.at/fontus-update.pdf
https://www.indiegogo.com/projects/fontus-the-self-filling-water-bottles#/

Forum: http://www.eevblog.com/forum/blog/eevblog-1121-fontus-goes-bankrupt!/

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