EEVblog No Script, No Fear, All Opinion

Another Indiegogo marketing takedown. Kara Pure raised $1M for a water-from-air dessicant dehumidifier that costs US$1800 uses a $20 alkaline mineral filter to give you tasty filtered water for the cost only 14kWh/day in energy, at best. So dumb it hurts. https://www.alibaba.com/product-detail/ALK-alkaline-water-filter-cartridge_62009370049.html https://www.indiegogo.com/projects/kara-pure-make-pure-water-from-the-air Forum: https://www.eevblog.com/forum/blog/eevblog-1454-water-from-air-again-the-kara-pure/ Podcast: Download

Teardown of the Elgato Key Light https://amzn.to/3oqObEW Forum: https://www.eevblog.com/forum/blog/eevblog-1453-elgato-key-light-teardown/ Podcast: Download

Bring Back The Dislike Count!

Repairing the Fluke/Philips PM3370B combiscope. Or have we? Service manual with schematic: https://www.manualslib.com/manual/1441823/Fluke-Autoranging-Combiscope-Pm3370b.html Forum: https://www.eevblog.com/forum/blog/eevblog-1452-fluke-pm3370b-combiscope-repair/ Podcast: Download

Showing you all the tools and techniques I use to shoot videos. Cameras, lighting, sound, streaming, editing, macro phototography, microscopes, green screen, and ATEM live production system. Locals: https://locals.com/member/EEVblog Podcast: Download

Dave looks at a classic Philips quarterly journal from 1970 and asks why companies don’t make historical documents like this any more featuring the employees who worked there? Bonus rant on Theory of Operation documents. The Philips Quarterly document: https://frank.pocnet.net/other/sos/Philips_PM3370_Publication.pdf Forum: https://www.eevblog.com/forum/blog/eevblab-94-why-dont-companies-do-this-anymore/

A $99 Fluke PM3370B Combiscope score from Ebay! Will it work? Unboxing video: https://odysee.com/@eevblog:7/2022-01-18-FlukeScopeUnboxing:f 00:00 – Fluke Combiscope Ebay Score 03:26 – Will it work? 05:32 – WTF was THAT?! 10:25 – Teardown 15:48 – Unusual ASIC Bypassing! 17:11 – Dodge of the day AWARD WINNER! Forum: https://www.eevblog.com/forum/blog/eevblog-1450-$99-fluke-combiscope-ebay-score/

A BM235 customer has a BM235 that drains the batteries in OFF switch mode, lets look at the PCB to find out the possible culprits. Potentially applicable to any battery powered product. Forum: https://www.eevblog.com/forum/blog/eevblog-1449-what-causes-excess-battery-drain-(bm235)/ Podcast: Download

How to convert a Fluke 77 IV average responding multimeter into a True RMS model 177 for 10 cents. *Plus calibration gear Should also work for converting a Fluke 83V to 87V True RMS measurement vs Average Responding And how to calibrate a Fluke multimeter. Fluke 87V service manual with …

Finance and life advice time. How to build wealth, it’s not rocket science. 00:00 – How to build wealth 01:29 – The Wealth Equation 02:41 – Investing is NOT the way to get wealthy! 03:35 – The #1 way to build wealth is… 04:11 – Different forms of income 05:01 …

Why are Fluke multimeters so expensive? PART 2 A teardown of the Fluke 70/170 series vs the Brymen BM786. Is there any design and construction difference that justifies 2-3 times the price? 00:00 – Fluke vs Brymen 01:07 – The Yellow Peer Pressure 01:57 – Fluke 77/177 vs Brymen BM786 …

Analog Watt Hour energy meters are fascinating! How they work, teardown, and experiments. Thanks to Max Button for sending this in to the mailbag. 00:00 – Watt Hour Energy Meters 02:11 – Teardown 05:13 – What’s to stop it taking off? 06:40 – Does it work? Testing with a load. …

How to simulate a x1 oscilloscope probe in LTSPICE. And how to use the lossy transmission line model in practice with the spice directive. Forum: https://www.eevblog.com/forum/blog/eevblog-1445-how-to-simulate-an-oscilloscope-probe-in-ltspice/ Podcast: Download

8 industry reasons why Fluke meters are so expensive, and why people still buy them. You might be surprised by some of the reasons and have not encountered this thinking before in the industry. NOT sponsored by Fluke. In fact you should buy my BM786 for 20% off using the …

XMAS Mailbag featuring Mrs EEVblog, Sagan, and Huxley! Forum: https://www.eevblog.com/forum/blog/eevblog-1444-xmas-mailbag/ SPOILERS: Badge https://bit.ly/3m3t4Yj RF Antenna DigitalCool PCB Coaster: https://www.tindie.com/stores/digitalcool/ Neon photos from a future Indian EE Casio OH-7000G overhead projector calculator Trevor’s Bench https://www.youtube.com/c/TrevorsBench Circuit Mess Nibble STEM kit: https://circuitmess.com/nibble/ kWh meter Spotty solder paste dispenser: https://avdweb.nl/tech-tips/pcb/solder-paste-dispenser 1980’s Appliance control …